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-Project Gutenberg's The Story of the Airship (Non-rigid), by Hugh Allen
-
-This eBook is for the use of anyone anywhere in the United States and most
-other parts of the world at no cost and with almost no restrictions
-whatsoever. You may copy it, give it away or re-use it under the terms of
-the Project Gutenberg License included with this eBook or online at
-www.gutenberg.org. If you are not located in the United States, you'll have
-to check the laws of the country where you are located before using this ebook.
-
-Title: The Story of the Airship (Non-rigid)
- A Study of One of America's Lesser Known Defense Weapons
-
-Author: Hugh Allen
-
-Release Date: March 25, 2016 [EBook #51547]
-
-Language: English
-
-Character set encoding: ISO-8859-1
-
-*** START OF THIS PROJECT GUTENBERG EBOOK STORY OF THE AIRSHIP (NON-RIGID) ***
-
-
-
-
-Produced by Stephen Hutcheson, Dave Morgan, Paul Hutcheson
-and the Online Distributed Proofreading Team at
-http://www.pgdp.net
-
-
-
-
-
-
-
-
-
- The Story of
- THE AIRSHIP
- (NON-RIGID)
-
-
- _A Study of One of America's Lesser Known Defense Weapons_
-
- BY HUGH ALLEN
-
- [Illustration: Airship in flight]
-
- AKRON, OHIO, 1943
-
- [Illustration: ADMIRAL W. A. MOFFETT
- To whom this book is dedicated]
-
- FIRST PRINTING, FEBRUARY, 1942
- SECOND PRINTING, FEBRUARY, 1943
- THIRD PRINTING, DECEMBER, 1943
-
- PRINTED IN THE UNITED STATES OF AMERICA
- THE LAKESIDE PRESS, R. R. DONNELLEY & SONS COMPANY, CHICAGO AND
- CRAWFORDSVILLE, INDIANA
-
-
-
-
- Dedication
-
-
-To _Admiral William A. Moffett, and the men his leadership inspired--to
-Landsdowne, McCord and Berry--to Calnan and Dugan and other able
-juniors, to Maxfield and Hoyt, Hancock and Lawrence of an earlier
-decade--to the Army's Hawthorne Gray, and as well to England's Scott,
-France's de Grenadin, Germany's Lehmann and Goodyear's Brannigan and
-Morton--names taken from lighter-than-air's brief but distinguished
-casualty list--of men who believed in airships and accepted gallantly
-the penalty which progress eternally exacts from men--this book is
-dedicated._
-
-_Not forgetting the living men, the Navy's Rosendahl, Fulton, Mills,
-Settle; Goodyear's Litchfield and Arnstein, and hundreds of others who
-have carried on with unshaken faith, in the face of great setbacks._
-
-_Much of devotion and courage, of scientific research and engineering
-achievement has gone into this enterprise--and much has been proved.
-Today, airships of the non-rigid type are taking on a new responsibility
-to the nation. If they succeed, they may well bring back the great rigid
-airships, to act as long range scouts against enemy raid or surprise
-fleet movement, as fast moving bases and refueling points for fighting
-airplanes far at sea--and as factors in world commerce in days to come._
-
-_It is this impulse which is driving forward the men who believe in
-airships--that the sacrifices and efforts of Admiral Moffett and the
-rest shall not have gone in vain._
-
- [Illustration: E. J. THOMAS
- President of the Goodyear Company]
-
- [Illustration: CAPTAIN C. E. ROSENDAHL, U.S.N.
- He never gave up his ships]
-
- [Illustration: COMMANDER T. G. W. SETTLE, U.S.N.
- He explored the Stratosphere]
-
- [Illustration: CHARLES BRANNIGAN
- His courage still inspires airship men]
-
- [Illustration: P. W. LITCHFIELD
- An industrial leader, chairman of the Goodyear board, who has
- believed for 30 years that airships would prove useful to his
- country in peace or war]
-
-
-
-
-Foreword
-
-
-High admirals of the American fleet faced in 1940 the gravest
-responsibility in the National Defense the Navy had ever known. Wherever
-they turned, north, east, south, west, perils lurked. If they swung
-their binoculars toward Iceland, toward the Caribbean, toward Singapore,
-Alaska, or the Canal, everywhere waited potential threats against our
-American way of life, which they must meet with ships and men, with guns
-and stout hearts. This was not merely national defense, perhaps not even
-hemisphere defense, it was World War.
-
-Surveying their gigantic task, and moving swiftly to meet it, they found
-a place in their program for half forgotten craft, long over-shadowed by
-other arms of the fleet, the non-rigid airship, sometimes called a
-dirigible, but more often a "blimp."
-
-Couldn't the airship be used as a watchdog along the coast, against
-enemy submarines, in discovering enemy mines--relieve for sterner tasks
-the destroyers and other craft now wallowing their innards out in those
-restless shallow waters? Great Britain and France had used airships
-effectively in this service over the English Channel during the last
-war.
-
-The areas within their patrol range, a hundred or 200 miles out to sea,
-within the 100 fathom curve, was a vital one. There steamship lanes
-converge, great harbors lie, coastwise merchantmen cruise, there is the
-greatest concentration of military and commercial shipping.
-
-With depth bombs and machine guns the blimps might strike a stout blow
-of their own, even if they weren't rated as combat craft. At least they
-could sound the alarm, call out reinforcements from swift moving
-shore-based craft, keep the intruder under surveillance. After all the
-main thing was to find the submarines in those endless miles of water.
-And in this field the very slowness of the airship, as compared to the
-airplane, would be an advantage, permit a more thorough search of the
-ocean's surface, while its speed as compared to any man-of-war, would
-enable it to cover more ground within a given 24 hours.
-
-So on the Navy's recommendation Congress in 1940 approved the building
-of the airship fleet up to substantial proportions, together with bases
-from which they might operate along the Atlantic and Pacific coasts.
-That program is now being put into effect and the Goodyear company which
-had built most of the airships used in the first World War, began again
-to build ships.
-
-The story of the great rigid airships, the Los Angeles, the Akron, Macon
-and Graf Zeppelin is fairly well known. That of the smaller non-rigids
-is less familiar. The larger airships still hold vital commercial and
-military promise for the future. However, this book will confine itself
-to the non-rigid airship, with only enough reference to the larger ships
-to round out the picture.
-
-Every new vehicle of combat or transport has had to fight its way to
-acceptance against misunderstanding and lack of understanding.
-Steamships had to prove themselves against sailing ships. Submarines had
-an uphill battle to establish themselves. The airplane was long on
-probation, and now the airship is on trial.
-
-This book will tell something about these ships, cite what is claimed
-for them and what has been reasonably proved they can do, see what
-progress has been made in performance, and point out what may be
-expected from them hereafter--not avoiding the moot question of
-vulnerability.
-
-Lighter-than-air is older by a century than the heavier-than-air branch
-of aeronautics. Its history is marked by long research and experiment
-and continued progress. Like every pioneering development it has had its
-setbacks. But the sincerity of the effort and solid accomplishment made,
-entitles the project to thoughtful consideration.
-
-
-
-
- Contents
-
-
- Dedication v
- Foreword vii
- I. German Submarines in American Waters 1
- A little known story from the first World War.
- II. British Airships in the First World War 9
- The use of non-rigid airships in Europe in 1914-18--as
- convoys, and as scouts against mines and U-boats.
- III. American Airships in Two Wars 13
- Activities in first war, though building of ships, training
- of men and erecting of bases had to be done after war broke
- out.
- IV. The Beginnings of Flight 21
- Difference between airships and airplanes--classes of
- airships--progress, from Montgolfiers to Santos Dumont to
- 1914.
- V. Effect on Aeronautics of Post-War Reaction 28
- Blimps overshadowed by Zeppelins and airplanes--only rigid
- airships had anything like continuing program, and they
- because of possible commercial value--effect on public
- opinion of Lindbergh flight and first arrival of the Graf
- Zeppelin.
- VI. Airship Improvements Between Wars 32
- Helium gas--structural changes--development of mooring
- mast--Navy experiments in picking up water ballast from the
- ocean.
- VII. Adventures of the Goodyear Fleet 45
- Reason for starting--adventures--familiarize country with
- airships--safety record--evolution of masting technique.
- VIII. Results of Fleet Operations 61
- Weather information--effect on flying and ground handling
- practice--on ship design--created bases, ships and
- construction plants which might prove useful in emergency.
- IX. Vulnerability of Airships 67
- References 72
- Index 73
-
-
-
-
- CHAPTER I
- German Submarines in American Waters
-
-
- [Illustration: Submarine]
-
-In the last six months of the first World War Germany sent six
-submarines to America at intervals starting in April, to lay mines along
-our shipping lanes, attack merchantmen, drive the fishing fleet ashore,
-try to force this country to call back part of its European fleet for
-home defense--and in any case to give America, geographically aloof from
-the war, a taste of what war was like.
-
-These activities were overshadowed at the time by graver events, or
-hidden by military secrecy. Few people even today know that ships were
-sunk and men killed by German U-boats within sight of our coast.[1]
-
-It was in no sense an all-out effort. Only a handful of submarines were
-used. The attack was launched late in the war, in fact one of the six
-didn't even reach American waters, was called back by news of the
-Armistice. Submarines of that day had a cruising range of some three
-months, could spend only three weeks in our coastal waters, used the
-rest of the time getting over and back.
-
-But in those few weeks these six submarines destroyed exactly 100 ships,
-of all sizes, types and registry, killed 435 people. Most of the ships
-were peaceful unarmed merchantmen, coastwise ships from the West Indies
-and South America, tankers from Galveston, fishing ships heading back
-from the Grand Banks, supply ships carrying guns and war materials to
-England, a few stragglers from convoys.
-
-The subs' biggest catch was the USS San Diego, a cruiser, sunk by mine
-off Fire Island, just outside New York harbor, July 19, 1918, with 1,180
-officers and men aboard. Only six lives, fortunately, were lost. The
-battleship Minnesota, escorted by a destroyer, struck a mine off Fenwick
-shoals light ship, early in the morning of September 29, but made
-temporary repairs and limped back into Philadelphia Navy Yard 18 hours
-later. A fragment of the mine was found imbedded in her frame work.
-
- [Illustration: Reproduced from U.S. Navy map showing track of
- submarines operating in American waters during last few months of
- first World War.]
-
-Mines were laid at strategic points. One field, with its mines 500 to
-1,000 yards apart was laid off Cape Hatteras, one at the mouth of
-Chesapeake Bay, one across Delaware Bay, two in between these key
-inlets, another off Barnegat, and the last off Fire Island. Some of the
-mines drifted ashore, others were found and destroyed--the last ones not
-till the following January. But mines accounted for six of the ships
-lost.
-
-One of the submarines, the U-117, built as a mine layer, planted 46 of
-the 58 mines laid along our shores; four others were merchant subs of
-the Deutschland type, including the Deutschland itself, which had twice
-previously visited this country on ostensibly friendly missions.
-
-Though the subs encountered a few victims on the way over or back, most
-of the ships were destroyed in the shallower waters within 200 miles of
-the American and Canadian coast. The fishing was better close in.
-
-Naval Intelligence knew, through Admiral Sims' office in London, just
-when each submarine left Kiel, what its probable destination was, and
-its approximate arrival date. The Navy could not broadcast this
-information, lest U-boat captains learn they were expected, but took
-appropriate defense measures. Even so, each submarine traveled directly
-to its destination, carried out its mission.
-
-U-boats operated almost with immunity from Newfoundland to the Virginia
-capes. Twice American men of war passed over submerging craft so close
-as almost to ram them. The U-151 worked at cutting cables for three
-days, near enough to New York City that the crew could see the lights of
-Broadway at night. The U-115, lying off the Virginia capes, came to the
-surface one afternoon just in time for its periscope to disclose a
-cruiser, two destroyers and a Navy tug a mile away, peacefully returning
-from routine target practice, entirely unaware that the U-boat was
-lurking in the vicinity.
-
-The submarines got a poor press that summer, not only for reasons of
-military secrecy, but because more stirring news held the attention of
-the public. The AEF was beginning to see action in France.
-
-Still headlines flashed occasionally as censorship was raised, or
-survivors brought in stories. From the Philadelphia Evening Bulletin
-during this period:
-
-"Hun U-boats Raid New Jersey coast--Schooner Edward H. Cole Attacked by
-two Submarines, Destroyed--Two Attacked Off New England--Atlantic Ports
-Closed"--and the story, under New York date line: "Germany has carried
-her unrestricted submarine warfare to this side of the ocean--at least
-five vessels sunk--submarine chasers ordered out from Cape May--Coast
-Guard stations on special lookout--marine insurance companies announce
-sharp increase in rates."
-
-News Flash--"Wireless report from passenger steamer Carolina says she is
-under attack"--The Carolina is sunk, 300 survivors are landed at
-Barnegat Bay, 19 at Lewes Del., 30 at Atlantic City, others picked up in
-open boats.
-
- [Illustration: On this map of actual ship sinkings and mine layings
- in 1918 is superimposed a sketch of the area which a handful of
- modern patrol blimps might cover.]
-
-Then: "Navy mine sweepers sent out to destroy mines and floating
-torpedoes which had missed target--tanker Herbert L. Pratt strikes mine
-in shallow water on maiden voyage--War Department asks Congress for
-$10,000,000 to set up balloon and plane stations along the coast to
-combat sub menace--British steamer Harpathian torpedoed off Virginia
-capes--American vessel, name withheld, puts back to 'an Atlantic port'
-after being chased by U-boat."
-
-The record continues: "San Diego sunk by mine--tug and four barges
-sunk--British freighter attacked--sub sends landing crew on board lumber
-schooner off Maine coast, set her afire--Steamer Merak sunk off
-Hatteras--tanker torpedoed off Barnegat Bay, beaches blanketed with
-oil--Norwegian steamer Vinland--British steamer Peniston and Swedish
-steamer Sydland off Nantucket--nine U. S. fishing vessels off
-Massachusetts coast--British tanker Mirlo--U.S. Schooner Dorothy
-Barrett--tanker Frederick R. Kellogg" and so on and on.
-
-Events of the time and since have swept these happenings out of the
-minds of most Americans--even if they knew of it at the time. But
-somewhere, half forgotten in Naval files, is an official report,
-painstakingly compiled after the war, from ship logs, from stories by
-merchant captains and crews, even by officers of surrendered German
-submarines, to make up as complete a record as possible of one of the
-amazing operations of the war--and one whose magnitude, in territory
-covered and damage done, few suspected, even within the Navy, at the
-time.
-
-Only two subs had so much as a brush with American ships. The transport
-von Steuben, former German liner, proceeding to the rescue of men in
-life boats from a merchant ship, dropped depth bombs which the U-boat
-escaped by diving to 83 meters, lying low till the enemy had gone.
-
-Closer call had the U-140, largest and most modern of the fleet, which
-after sinking several ships off Diamond Shoals, including the light ship
-itself, almost caught a tartar when the Brazilian passenger liner,
-Uberabe, zigzagging furiously to escape, sent out S.O.S. messages which
-brought four U.S. destroyers hurrying to the rescue. Nearest was the USS
-Stringham, which proceeding under full speed, using the Uberabe as a
-screen, charged on the U-boat, dropped 15 depth charges when the U-boat
-dived, timed to explode at different levels.
-
- [Illustration: Training exercises with U. S. submarines have taught
- airship captains much about the habits, movements and
- characteristics of the underseas craft. (U. S. Navy photo).]
-
- [Illustration: The year before America got into the last war the
- German submarine U-51 sank a half dozen merchant ships off Nantucket
- Island then proceeded into Newport. (U. S. Navy photo)]
-
- [Illustration: Navy airships in practice patrols identify, as to
- class and nationality, all surface ships in their area, learn to
- recognize the silhouette of a submarine from afar. (U. S. Navy
- photo)]
-
-The U-boat captain, one of the best in the German navy, drove his craft
-at a sharp angle to 400 feet. One charge exploding underneath the sub
-turned it stern upward till it stood almost perpendicular. He managed to
-level out finally at 415 feet, lay there as long as he dared, finally
-reached the surface. His ship was so badly crippled it had to abandon
-its mission and set out for home--though it sunk a couple more ships in
-the mid-Atlantic on the way back.
-
-The only U-boat casualty was the U-156 which after getting 34 victims in
-American waters, getting eight in one day, was itself sunk by mines--but
-off Faroe Island as it was almost home.
-
-This then is the story of submarine operations in U. S. waters in
-1918--a half hearted effort of short duration started late in the
-day--but which destroyed 100 ships, totalling 200,000 tons, most of them
-close to our shores.
-
-No one could doubt but that in the event of another war submarines would
-be used again, and in more vigorous fashion. The American fleet might
-easily keep major enemy ships at a safe distance, and bombing attack
-from any part of Europe or over the Pacific would have little military
-value. But certainly submarines would find their way past the screen of
-Navy craft, bob up off American harbors, again to lay mines in the path
-of coastwise steamers, deliver hit-and-run attack by torpedo and gunfire
-at American craft.
-
-We could be equally sure that these ugly motorized sharks, churning the
-muddy sub-surface waters, would not be satisfied to attack merchantmen
-only, would be looking for bigger prey.
-
-On the map showing the operations of German submarines in 1918 let us
-superimpose, as an example, the patrol area which two blimps, basing at
-Boston, Lakehurst, Cape May and Norfolk might effectively cover in a 12
-hour period.
-
-A patrol area of 2,000 square miles per ship is conservative. It assumes
-the ship flying at no faster than 35 knots, having visibility of five
-miles in all directions. As a matter of fact, allowing a little more
-than 40 knots speed--and the airship cruises considerably faster than
-that--we might say that a modern blimp could patrol an area 10 miles
-wide and 500 miles long in the 12 hours, or an area of 5,000 square
-miles. But by criss-crossing back and forth in accordance with a
-progressive plan, an area of 2,000 square miles could be made reasonably
-secure--except under extremely adverse conditions of visibility.
-
-Laying these patrol areas down over the map of submarine operations of
-1918 it is apparent that such patrols would cover much of the territory
-where ship sinkings were achieved, cover all of the areas where mines
-were laid.
-
-With blimps operating from such bases, in addition to the patrols being
-executed by other naval craft, we might conclude that no submarine could
-venture within 100 miles of the American coast during daylight hours
-without considerable risk of detection, and that blimps should be able
-to make contribution to the safety of coastwise shipping and harbor
-cities.
-
-The patrol areas assigned to the blimps would have their flanks exposed,
-but airship patrol would be co-ordinated with that of airplanes and
-surface craft, guarding the areas farther out.
-
-That this conclusion is reasonable is indicated by the fact that from
-1939 on, Lakehurst Naval Air Station, under command of Commander G. H.
-Mills had been doing just this, patroling areas all the way from
-Nantucket to Cape Hatteras.
-
-
-
-
- CHAPTER II
- British Airships in the First War
-
-
- [Illustration: Airship over water]
-
-Germany entered the first World War with high expectations as to one,
-perhaps two of its new weapons of war. Its submarines might offset
-Britain's superiority at sea, and certainly the Zeppelins, which had
-proved themselves in four years of commercial flying, would be able to
-cross the English Channel and carry the war to the island which had seen
-no invasion since William the Conqueror.
-
-No nation except Germany had Zeppelins. And as the German people began
-to feel the pinch of the blockade, cutting their life line of food and
-supplies, they brought increasing public pressure on High Command to use
-these weapons to punish England.
-
-Later commentators have speculated as to whether, if Germany had held
-its fire, waited till it could assemble an overpowering force of
-Zeppelins and submarines and stage a joint attack, it might not have
-been able to force a quick decision.
-
-But the Zeppelins were sent over a few at a time, as fast as they could
-be built, and England was given time to devise defenses. These were
-chiefly higher altitude airplanes, farther ranging anti-aircraft guns,
-sky piercing searchlights, which combined to force the invaders to fly
-continuously higher as the war wore on, as high as 25,000 feet at times,
-with corresponding sacrifice of bombing accuracy. And when machine guns,
-synchronized with the propellers, were mounted in airplane cockpits, and
-began to spit inflammable bullets into the hydrogen filled bags and send
-them down in flames, the duel took on more even terms.
-
-Less spectacularly the Zeppelins were used on a wide scale as
-reconnaissance and scouting craft, which flying fast and far were given
-credit on more than one occasion for saving German Naval squadrons from
-being cut off by superior Allied forces, were acknowledged even by the
-British to have played an important part in the Battle of Jutland.
-
-It is a little hard to realize today that whatever air battles were
-waged over water in the last war were conducted chiefly by
-lighter-than-air craft. Planes staged spectacular battles along the
-Allied lines in France, but lack of range and carrying capacity forced
-them to leave sea battles to the airship. As a measure of that
-situation, the great hangars at Friedrichshafen, spawning ground of the
-Zeppelins, one of the outstanding targets in all Europe if England were
-to draw the dirigible's fangs, lay hardly more than a hundred miles from
-the French borders, but even that distance was too great for effective
-attack.
-
-While these greater events were taking place, British airships, smaller
-in size, less spectacular, were playing no small part in repelling
-Germany's other threat, the submarine.
-
-
- Blimps Used to Search for U-Boats
-
-Navy opinion around the world was skeptical at the beginning of the War
-as to whether submarines would ever be practical. There were mechanical
-troubles, accidents, usually costly. Even Germany, prior to 1914, used
-to send an escort of warships along to convoy its subs to their
-station--then send out for them afterward to bring them home again.
-
-But the war was only a few weeks old when the captain of the U-9,
-cruising down the Dutch coast, discovered that his gyro compass was off,
-and when he got his bearings saw that he was 50 miles off course. He
-wasted no breath, however, on many-syllabled German swear words, for off
-on his southern horizon were the masts of three British ships. He dived,
-came up alongside, and in 30 minutes, single handed, with well directed
-torpedoes, had sunk in turn HMS Aboukir, Hogue and Cressy.
-
-The morning of September 22, 1914, marked the beginning of a new era in
-Naval warfare. The warring nations grew furiously busy building their
-own U-boats and devising defenses against the enemy's. Among these
-defenses was the non-rigid airship.
-
-These two vehicles, so widely different, have much in common. If we may
-be technical for a minute we may say that the airship and the submarine
-are both buoyant bodies, completely immersed and floating in a
-medium--air and water respectively--of changing pressures, that each
-uses dual sets of steering gear and rudders to control direction and
-altitude. And further, that the airship in 1941 faces the same division
-of opinion as the submarine faced in 1914, as to whether, particularly
-with rigid airships, it will ever be widely used and accepted.
-
-In any event in 1914 there was an urgent and immediate job to be done.
-
-Indicator nets and high explosive mines might give some protection to
-harbors, might be stretched across steamship lanes and planted around
-the hiding places of the submarines, if those could be discovered. But
-troop ships and munition ships and food ships must be dispatched without
-interruption across the tricky waters of the English Channel to France,
-and for this purpose convoy escorts were devised, with camouflaged
-warships zigzagging alongside, while high aloft in lookout stations men
-with binoculars strained their eyes, searching the waters, ahead,
-astern, alongside, their search lingering long over every bit of
-floating wreckage--and there was a lot of it--to make sure it was not a
-periscope.
-
-These lookouts aboard ship quickly had a new ally in the air. As the
-submarine menace grew, binoculars began to flash too from the fuselages
-of bobbing blimps overhead. At a few hundred or perhaps a thousand feet
-elevation they could see deep below the surface, and quickly learned to
-recognize at considerable distance the tell-tale trail of bubbles or
-feathered waters or smear of oil which denoted the enemy's presence,
-might even pick out the shadowy form of the submerged craft itself.
-
-The value of the airship in convoy was that it could fly slowly, could
-throttle down its motors and march in step with its charges, cruise
-ahead, alongside, behind. The very speed of its sister craft, the
-airplane, handicapped its use in this field.
-
-This characteristic of the blimp was even more useful in hunting U-boat
-nests. The blimp could head into the wind, with its motors barely
-turning over, hover for hours at zero speed over suspect areas. It could
-fly at low altitudes, follow even slender clues. Seagulls following a
-periscope sometimes gave highly useful information. An orange crate
-moving against the tide attracted the attention of one alert pilot, for
-the crate concealed a periscope, and the blimp dropped
-bombs--successfully.
-
-When a blimp discovered a submarine, it would give chase. With its 50
-knots of reserve speed it was faster than any warship, much faster than
-the poky wartime submarine, which could do only 10 or 12 knots on the
-surface, much less than half that when submerged. If it was lucky the
-airship might drop a bomb alongside before the sub got away.
-
-And run for cover the submarine always did. It wanted no argument with a
-ship which could see it under water, could out-run it, and might plunk a
-bomb alongside before its presence was even suspected.
-
-Airships did get their subs during the war. The records, always
-incomplete in the case of submarines, whose casualties were invisible,
-show that British blimps sighted 49 U-boats, led to the destruction of
-27. But their greater usefulness lay in the fact that their mere
-presence sent the underseas craft scuttling for submerged safety.
-
-Between June, 1917, and the end of the war British blimps flew 1,500,000
-miles, nearly as many as the Zeppelins. A French Commission made an
-exhaustive study of dirigible operations after the war, and the late
-Rear Admiral W. A. Moffett quoted from its reports in summarizing
-lighter-than-air lessons taken from the war, when he told the Naval
-Affairs Committee of the House of Representatives that "as far as they
-could learn, no steamer was ever molested by submarines when escorted by
-a non-rigid airship."
-
-France and Italy had long coast lines, used the blimps extensively along
-the Bay of Biscay, the Mediterranean and the Adriatic, but England found
-still greater use for them because it was an island. So blimp scouts
-played a singularly useful role from Land's End to the Orkneys, stood
-watch at the mouth of the Firth of Forth, the Solway, the Humber, and
-the Thames.
-
-
-
-
- CHAPTER III
- American Airships in Two Wars
-
-
- [Illustration: Airship and hangar]
-
-Compared to British and French airships, American dirigibles made a less
-impressive record during the first war.
-
-This for the reasons that there were few enemy activities in our waters
-until the very end, and that there were few American airships to oppose
-them. Virtually the entire airship organization had to be created after
-we got into the war.
-
-Naval attachés abroad had been watching blimp operations over the
-English channel, and on the basis of rather meager information which
-they furnished, Navy designers were working on plans, when the Secretary
-of the Navy, in February 1917, 60 days before the declaration of war,
-ordered 16 blimps started at once.
-
-Nine of these were to be built by Goodyear which had at least given some
-study to the principles, had built a few balloons, one of which, flown
-by its engineers out of Paris, had won the James Gordon Bennett Cup
-Race.
-
-No one in this country, however, knew much about building airships, and
-less about flying them after they were built. Operating bases would have
-to be built and the very construction plants as well. The first Goodyear
-airship under the Navy order was completed before the airship dock
-(hangar) at Wingfoot Lake was ready, and the ship had to be erected in
-Chicago and flown in.
-
-The engineers who built it, Upson and Preston, made their first airship
-flight in delivering the ship to Akron, using theoretical principles
-applied in the international balloon race the year before, to make up
-for their lack of practical experience.
-
-Those first ships were small, slow, lacked range, uncovered many
-shortcomings. Flight training was done under adverse circumstances. Men
-had to teach themselves to fly airships, then teach others to fly them.
-
-The pilots were chiefly engineering students from the colleges, with a
-sprinkling of Navy officers. They had to take their advanced training
-abroad at British and French bases, because there were no facilities
-here, and in fact did most of their flying abroad. By the end of the war
-American pilots were manning three British airship bases and had taken
-over practically all the French operations, including the large base at
-Paimboeuf, across the Loire from St. Nazaire, on the French coast.
-
-So the war was well along before American bases were set up and manned.
-These were at Chatham, Mass., at Montauk and Rockaway, N. Y., at Cape
-May, Norfolk and Key West. Like the airplane patrols the blimps saw
-little action, though they had an advantage in that they could stay out
-all day, while the short range planes of 1917-18 had to come back every
-few hours to refuel.
-
-A patrol airship at Chatham, Mass. missed its chance in that it was
-adrift at sea with engine trouble when the German U-156 slipped into the
-harbor at nearby Orleans and wiped out some fishing boats--though it
-might have done no better than the first plane which reached the scene,
-whose few bombs did not explode.
-
-The blimp patrols, however, uncovered one other type of activity. More
-than once they spotted suspicious looking craft emerging under cover of
-fog, from remote coves and inlets along the Long Island coast, fishing
-boats and barges with improvised power plant and curious looking
-paraphernalia on deck. Keeping the stranger in sight the blimp summoned
-armored craft from shore which sent boarding crews on, found mines
-destined for the New York steamship lanes.
-
-A more important result of the blimp operations was the improvements in
-design which were found, particularly in the "C" type ship, brought out
-in 1918, of which 20 were built. They had much better performance in
-range, power, could make 60 miles speed, were faster than any airships
-except the Zeppelins. Navy officers and crews came to have high respect
-for them.
-
- [Illustration: Here's the gallant C-5, which with a bit of luck
- would have been the first aircraft to cross the Atlantic. (U. S.
- Navy photo)]
-
- [Illustration: Wingfoot Lake, Akron, was a busy place during the
- first war, as the spawning ground of scores of blimps, hundreds of
- training and observation balloons.]
-
- [Illustration: "Finger patches" of rope ends raveled out and
- cemented to the outside of the bag were used in 1918 to support the
- weight of the gondola--an improvised airplane fuselage.]
-
- [Illustration: During most of the period between World wars the Navy
- had only a few J-type ships, but used them effectively in training
- and experimental work. (U. S. Navy photo)]
-
-Which led to one of the interesting aeronautic adventure stories of the
-period. It happened just after the Armistice.
-
-Men had come out of the war with imaginations afire over the
-possibilities of aircraft. One challenge lay open--the Atlantic--no one
-had flown it.
-
-In the breathing spell brought by the Armistice, the British were
-preparing their new Zeppelin R-34 for the crossing; two English planes
-were being shipped to Newfoundland to try to fly back; the U. S. Navy
-had a seaplane crossing in prospect. There was even a German plan. A new
-Zeppelin had just been finished at Friedrichshafen when the Armistice
-was signed, and the crew planned to fly it to America as a
-demonstration--but authorities got wind of it and blocked the venture.
-
-But of all the Atlantic crossings about which men were dreaming in early
-1919, none is more interesting than the one projected for the little
-blimps.
-
-The C-5, newest of the non-rigid airships built for the Navy, was
-stationed at Montauk, and there one night a group of officers sat
-intensively studying charts and weather maps. St. John's, Newfoundland,
-1,400 miles away, would be the first leg of the trip. It was easily
-within the cruising radius of the ship, particularly if they got helping
-winds, which they should if the time was carefully picked. From there to
-Ireland was another 1850 miles, also within range with the prevailing
-westerly winds.
-
-Permission was asked from Washington, and the Navy flashed back its
-approval and its blessing, assigned five experienced officers to the
-project: Lieut. Comdr. Coil, Lieuts. Lawrence, Little, Preston, and
-Peck. The USS Chicago was sent ahead to St. John's to stand by and give
-any help needed.
-
-Shortly after sunrise on May 15, 1919, motors were warmed up and the
-ship shoved off from the tip of Long Island with six men aboard headed
-for Newfoundland. At 7 o'clock the next morning they circled over the
-deck of the _Chicago_, dropped their handling lines to the waiting
-ground crew on a rocky point at St. John's. The first leg had been made
-in a little more than 24 hours, at an average speed of nearly 60 miles
-per hour.
-
-The morning was clear and comparatively calm. Coil and Lawrence went
-aboard the _Chicago_ to catch a little sleep before the final hop over
-the ocean. The others saw to re-fueling the C-5, stowing provisions
-aboard, topping off a bit of hydrogen from the cylinders alongside.
-Mechanics swarmed over the motors. All was well.
-
-But about 10 o'clock gusts began to sweep down from Hudson's Bay,
-dragging the ground crew over the rocks. There were no mooring masts in
-those days. A modern mast would have saved the ship. More sailors were
-put on the lines and word sent to Coil and Lawrence. If the ground crew
-could hold the ship till the pilots could get aboard and cut loose, the
-storm would give them a flying start over the Atlantic.
-
-But the wind blew steadily stronger as the commander was hurrying
-ashore. It reached gale force, hurricane force, 40 knots, 60 knots in
-gusts, varying in direction crazily around a 60-degree arc. It picked
-the ship up and slammed it down, damaging the fuselage, breaking a
-propeller. Little and Peck climbed aboard to pull the rip panel and let
-the gas out. After the storm passed, they could cement the panel back
-in, reinflate the bag and go on.
-
-But the fates were against them. The cord leading to the rip panel
-broke. Desperately, the two men started climbing up the suspension
-cables to the gas bag with knives, planning to rip the panel out by
-hand. But a tremendous gust caught the ship, lifted it up. Seeing the
-danger to the crew, Peck shouted to them to let go, and he and Little
-dropped over the side. Little broke an ankle.
-
-The ship surged upward, crewless, set off like another "Flying Dutchman"
-across the Atlantic, was never seen again.
-
-Just three days later Hawker and Grieve set out from St. John's, landed
-in the ocean. Alcock and Brown cut loose their landing gear a month
-later and landed in Ireland. One of the three Navy seaplanes, the NC-4,
-reached Europe on May 31 and the British dirigible R-34 set out on July
-2 for its successful round trip to Mitchel Field.
-
-But for a trick of fate and the lack of equipment available today, a
-blimp would have been first to get across.
-
-Many things happened in the airship field between the two wars, but most
-of them affected non-rigid airships only indirectly, as the Navy was
-primarily concerned with the larger rigids.
-
-The loss of the Hindenburg by hydrogen fire (which American helium would
-have prevented), coming on the heels of tragic setbacks in this country
-was enough to dismay anyone except Commander C. E. Rosendahl and his
-stouthearted associates at Lakehurst Naval Air Station.
-
-They didn't give up. Setbacks were inevitable to progress. Count
-Zeppelin had built and lost five rigid airships prior to 1909, but he
-went on to build ships which were flown successfully in war and peace.
-If the Germans, using hydrogen, could do this, Americans, with helium,
-should not find it impossible, Lakehurst reasoned. And if they had no
-rigid airships to fly and no immediate likelihood of getting any they
-would use blimps.
-
-The Navy was more familiar than the public with what the British and
-French airships had accomplished in the first war. Studying, as all Navy
-officers were doing in that period, the various possibilities of attack
-and defense, in case the war then threatening Europe should sweep across
-the Atlantic, they came to the conclusion that the coast line of America
-was no more remote from German submarines in 1938 than the coast of
-England was in 1914.
-
-The airplane had improved vastly in speed, range, and striking power,
-and their very multiplicity had ruled out the blimps over the English
-channel, even if helium was available, but those conclusions did not
-hold along the American coast.
-
-The heroic part played by Allied blimps was a part of the legend of the
-airship service. Nothing new developed in war had subtracted anything
-from the ability of American airships to do in this war what British
-non-rigids had done in the last. Commander J. L. Kenworthy and after him
-Commander G. H. Mills as commanding officer at Lakehurst turned to
-non-rigids.
-
-Under Mills was instituted, quietly, unostentatiously, with what ships
-he had, a series of practice patrols to determine the usefulness of
-airships in this field, to discover and perfect technique, and to train
-officers and men.
-
-Lakehurst had a curious conglomeration of airships to start with. There
-were two J ships of immediate post-war type, with open cockpits, 210,000
-cubic feet capacity; two TC ships, inherited from the Army, of more
-modern design, and larger size; the ZMC2, an experimental job built to
-study the use of a metal cover, and about to be scrapped after nine
-years of existence; the L-1, the same size as the Goodyear ships,
-123,000 cubic feet, the first modern training ship, which would be
-joined later by the L-2 and L-3; the G-1, a larger trainer of Goodyear
-Defender size, useful for group instruction, and the 320,000 cubic foot
-K-1, which had been built for experiments in the use of fuel gas. Only
-the K-2, prototype of the 416,000 cubic foot patrol ships later ordered
-could be called a modern airship, though the Army dirigibles also had
-good cruising radius.
-
-Yet with this curious assortment of airships of various sizes, types and
-ages, the Navy carried on practice patrols covering the areas between
-Montauk and the Virginia Capes, flying day after day, built an
-impressive accumulation of flight data, missed very few days on account
-of weather, made it a point not to miss a rendezvous with the surface
-fleet. More than any one thing it was this demonstration, over an
-18-month period, which led to the revival of an airship program in this
-country, the ordering of ships and land bases.
-
-Let us see what a blimp patrol is like. The airship can fly up to 65
-knots or better, but this is no speed flight. The motors are throttled
-down to 40 knots, so that the crew may see clearly, take its time, study
-the moving surface underneath, scrutinize every trace of oil smear on
-the surface, alert for the tell-tale "feather" of the submarine's wake,
-air bubbles, a phosphorescent glow at night, for even a bit of debris
-which might conceal a periscope.
-
-A school of whales, a lone hammerhead shark on the surface or submerged
-stirs the interest of the patrol, offers a tempting live target for the
-bombs,--light charges with little more powder than a shot gun shell
-uses. Now a ship records a direct hit on a shark's back 500 feet below.
-He shakes his head, dives to escape this unseen enemy aloft. The airship
-gives chase, follows the moving shadow below, so strikingly resembling a
-submarine, finds the practice useful.
-
-Of the crew of eight, everyone on the airship is on watch, with an
-observation tower open on all sides, without interference of wings, as
-in the airplane. Compared with surface craft, the airship can patrol
-more area in a dawn to dusk patrol because of its speed and its wide
-range of unbroken observation.
-
-The submarine is more efficient in relatively shallow depths, but
-airships have spotted the silhouetted shadow of U-boats in clear water
-as deep as 70 feet below the surface. The submarine will attempt to
-maneuver within a mile of its target to launch its torpedoes
-effectively. But even at a mile away the ten inches of periscope which
-projects above the surface is difficult for other craft to
-detect,--either for a cruiser at sea level, or an airplane, flying at
-relatively high speed, a threat either may miss.
-
-Airship crews are at action stations even during peace time, on the
-alert against the appearance of strange craft. They identify each
-passing ship through binoculars, by voice or radio, taking no chances
-that attack without warning by a seeming peaceful ship might not be a
-declaration of war. As many as 40 or 50 ships may be encountered and
-identified in a day's patrol. The airships are off at sun-up, back at
-sundown, unless on more extended reconnaissance, move quietly into the
-big dock.
-
-Patrol is tedious work. Occasionally there is a break in the routine.
-Lt. Boyd has been assigned command of the big TC-14 for the next day's
-patrol. He is up late studying the curious tracks he is to follow in
-coordination with the other airships. At midnight however the radio
-brings startling word. An airplane leaving Norfolk with a crew of ten
-for Newport, is reported missing. Nearby destroyers, airplanes,
-airships, are ordered out as a searching party. The TC-14, having the
-longest cruising radius, 52 hours without refueling, is sent off at
-once, with a senior officer, Lt. Trotter, in charge. Men's lives may be
-at stake.
-
-By daylight, the TC-14 has flown over the entire northern half of the
-plane's track and back, watching intently for distress signals or flares
-or any sign of the distressed plane. Three miles north of Hog Island
-light outside Norfolk, the ship encounters fog extending clear to the
-water. Search of this area is hopeless and the ship scouts the edges,
-waits for the fog to burn off. At noon as it lifts, pieces of wreckage
-are spotted at the very area which it had hidden, and which the TC-14
-had flown over five hours earlier.
-
-The airship cruised around, hoping that some bit of wreckage might
-support a survivor, finally returned to its station after 20 hours,
-during which time it had covered 1,000 miles, intensively in parallel
-courses 20 miles wide. Had the luckless plane or any of its crew been
-able to send up flares anywhere within an area of 20,000 square miles of
-water, the airship could have come up alongside and effected a rescue in
-a matter of minutes.
-
-In the meantime, Lt. Boyd, originally assigned to TC-14, was up at dawn
-only to learn of the change in plans. He was assigned to pilot the
-smaller G-1 trainer to New London, keep a sharp look-out enroute for the
-missing plane, then work with the destroyers on torpedo exercises. The
-G-1 had no galley aboard and in the rush the matter of food for an
-18-hour cruise was somehow overlooked, and Boyd and his crew set off
-with only a couple of sardine sandwiches apiece and a pot of coffee,
-which quickly grew cold.
-
-Late in the afternoon, seeing his crew growing hungrier and
-hungrier,--for airshipping is excellent for the appetite,--Boyd had an
-idea. He radioed the Destroyer Division Commander: "After last torpedo
-recovered, would you be able to furnish us with some hot coffee and a
-loaf of bread, if we lower a container on a 200-foot line across your
-after deck?"
-
-Never in naval history had an airship borrowed chow from a surface
-craft. But the answer came promptly. "Affirmative. Do you wish cream and
-sugar?"
-
-There was nothing in the books giving the procedure for borrowing a meal
-from the air, but the crew rigged up a line from a target sleeve reel,
-fastened a hook with a quick release at the end, attached a monkey
-wrench to weight it down, stood by for the word to come alongside.
-
-Then while the crews of three destroyers watched, the G-1 swung slowly
-over the destroyer's deck. One sailor caught the line held it while a
-second filled the coffee pot, and a third attached a load of sandwiches.
-Then the airship sailors hauled away, radioed their thanks, set off for
-the 200 mile trip back to Lakehurst, while hundreds of sailors below
-waved their white caps and cheered, a little inter-ship courtesy between
-sky and sea which all hands will long remember.
-
-
-
-
- CHAPTER IV
- The Beginnings of Flight
-
-
- [Illustration: Hot-air balloon]
-
-In the spring of 1783, as the American Revolution was nearing a
-successful conclusion, two brothers named Montgolfier sitting before a
-fire at a little town in France found themselves wondering why smoke
-went up into the air.
-
-That was just as foolish as Newton wondering why an apple, detached from
-the tree, fell down. Smoke had always gone up and apples had always come
-down. That was all there was to it.
-
-But when men wonder momentous events may be in the making. In these
-instances epochal discoveries resulted: the law of gravitation and the
-possibility of human flight.
-
-The legends of Icarus and the narrative of Darius Green are symbols of
-the long ambition of earth-bound men, even before the days of recorded
-history, to leave the earth and soar into the air. The Montgolfiers had
-found the key.
-
-But a hundred years would pass before the discovery would be put to use.
-It was in 1903 that another pair of brothers, the Wrights, made their
-first flight from Kill Devil Hill in North Carolina. The first Zeppelin
-took off from the shores of Lake Constance in 1900.
-
-The Montgolfiers wasted no time testing out their conclusion that smoke
-rose because it was lighter than the air. They built a great paper bag
-35 feet high, hung a brazier of burning charcoal under it, and off it
-went. Annonnay is a small town but the story of that miracle spread far
-and wide. The Academy of Science invited them to the capital to repeat
-the experiment.
-
-But while they were building a new bag a French physicist, Prof. J. A.
-C. Charles, stole a march on them. He knew that hydrogen was also
-lighter than air, so constructed a bag of silk, inflated it with
-hydrogen, sent it aloft before the Montgolfiers were ready.
-
-Still the countrymen were not to lose their hour of glory. Merely to
-repeat what had already been done was not enough. Their balloon was to
-be flown from the grounds of the Palace of Versailles, before the king
-and court and all the great folk of Paris, with half the people of the
-city craning their necks to watch it pass over. So they loaded aboard a
-basket containing a sheep, a duck and a rooster, and these three became
-aircraft's first passengers.
-
-When the U. S. Army Air Corps years later sought an appropriate insignia
-for its lighter-than-air division, it could think of nothing more
-fitting than a design which included a rooster, a duck and a sheep.
-
-Everyone was ready for the next step. A French judge had the solution.
-He offered the choice to several prisoners awaiting execution--a balloon
-flight or the guillotine. Two volunteered, felt they had at least a
-chance with the balloon, whereas the guillotine was distressingly final.
-They had nothing to lose. That word rang through Paris. A young gallant
-named De Rozier objected.
-
-"The chance might succeed," he said. "The honor of being the first man
-to fly should not go to a convict, but to a gentleman of France. I offer
-my life."
-
-Even the king protested at this needless risk, but De Rozier took off
-the following month, flew half way over Paris, landed safely. This
-happened on Nov. 21, 1783.
-
-Among the witnesses to these experiments was Benjamin Franklin, the
-American ambassador, himself a scientist of no small renown. He
-predicted great things for aeronautics.
-
-"But of what use is a balloon?" asked a practical-minded friend.
-
-"Of what use," replied the American, "is a baby?"
-
-A little later, on January 7, 1785, Jean Pierre Francois Blanchard, a
-Frenchman, and Dr. John Jeffries, an American, practicing medicine in
-England, inflated a balloon, took off from the cliffs of Dover at one
-o'clock in the afternoon, arrived safely in Calais three hours later.
-
- [Illustration: Santos Dumont startled Paris in 1910, when he let an
- American girl fly one of his airships over the city. To descend she
- threw her weight forward, to climb she moved back a step.]
-
- [Illustration: A dramatic meeting of two rivals for the honor of
- making the first Atlantic crossing. The Navy's NC flying boats and
- the non-rigid C-5, photographed shortly before their take-off.]
-
- [Illustration: Blimps too may use masts aboard surface ships as
- anchorage point on long cruises, as the U.S.S. Los Angeles
- successfully demonstrated when moored to the U.S.S. Patoka. (U. S.
- Navy photo)]
-
- [Illustration: The Army's TC-7 demonstrates the first airplane
- pick-up at Dayton. Army pilots found that at flying speed the plane
- weighed nothing, was sustained by dynamic forces. (U. S. Army
- photo)]
-
-Flight was here, though it would be a long time becoming practical. Dr.
-Charles and many others contributed, even at that early day. Knowing
-that hydrogen expanded as the air pressure grew less, at higher
-altitudes, Charles devised a valve at the top of the balloon, so that
-the surplus gas could be released, not burst the balloon. He devised a
-net from which the basket could be suspended, distributing its load over
-the entire bag.
-
-The drag rope was evolved, an ingenious device to stabilize the
-balloon's flight in unstable air. If the balloon tended to rise it would
-have to carry the entire weight of the rope. If it grew sluggish and
-drifted low, it had less weight to carry, as much of the rope now lay on
-the ground. These ballooning principles, early found, are still in use.
-But the "dirigible" balloon, or airship must wait for light weight,
-dependable motors, despite the hundreds of ingenious experiments made by
-men over a full century.
-
-Since this is an airship story, we should first make clear the
-difference between the airship and the airplane.
-
-The French hit on an apt phrase to distinguish them, dividing aircraft
-into those which are lighter than the air, such as airships, and those
-which are heavier than the air, like airplanes.
-
-Airships are literally lighter than air. So are all free balloons, used
-for training and racing, and all anchored balloons, such as the
-observation balloon widely used in the last war and the barrage balloons
-of the present war.
-
-The airship goes up and stays up because the buoyancy given by its
-lifting gas makes it actually lighter than the air it displaces, and
-even with the load of motors, fuel, equipment and passengers, must still
-use ballast to hold it in equilibrium.
-
-The airplane, on the other hand, is heavier than the air. Even the
-lightest plane can stay up only if it is moving fast enough to get a
-lifting effect from the movement of air along the wings, similar to that
-which makes a kite stay up. A kite may be flown in calm weather only if
-the one who holds the cord keeps running. On a windy day, the kite may
-be anchored on the ground, and the movement of the wind alone will have
-sufficient lifting effect. So powerful are these air forces that a plane
-weighing 20 tons may climb to an altitude of 10,000 feet if its speed is
-great enough, and its area of wing surface broad enough to produce this
-kiting effect.
-
-But an airplane can remain aloft only as long as it is moving faster
-than a certain minimum speed. Cut the motors, or even throttle down
-below this stalling speed, and the plane will start earthward.
-
-The airship needs its motors only to propel it forward. It can cut its
-speed, even stop its engines, and nothing happens. It retains its
-buoyancy, continues to float. The airplane's lift is dynamic, that of
-the airship is static.
-
-The airship has some dynamic lift, also, because its horizontal fins or
-rudders, and the body of the airship have some kiting effect in flight.
-The blimp pilot, starting on a long trip, will fill up his tanks with
-all the fuel the ship can lift statically, then take on another 2,000
-pounds, taxi across the airport till he gets flying speed and so get
-under way with many more miles added to his cruising speed.
-
-This dynamic lift however, while useful in certain operations is still
-incidental. Primarily the airship gets its lift from the fact that the
-gas in the envelope is much lighter than the air.
-
-Hydrogen is only one-fifteenth the weight of air, helium, the
-non-inflammable American gas, is a little heavier, about one-seventh.
-The practical lift is 68 pounds to the thousand cubic feet of hydrogen,
-63 pounds in the case of helium.
-
-Lighter-than-air ships are of three classes, rigid, semi-rigid and
-non-rigid. The rigid airship has a complete metal skeleton, which gives
-the ship strength and shape. Into the metal frame of the rigid airship
-are built quarters, shops, communication ways, even engine rooms in the
-case of the Akron and Macon, with only the control car, fins, and
-propellers projecting outside the symmetrical hull. The lifting gas is
-carried in a dozen or more separate gas cells, nested within the bays of
-the ship.
-
-The non-rigid airship has no such internal support. The bag keeps its
-taut shape only from the gas and air pressure maintained within. Release
-the gas and the bag becomes merely a flabby mass of fabric on the hangar
-floor. Ship crews do not live in the balloon section, but in the control
-car below.
-
-The British, apt at nicknames, differentiated between the two types of
-airships by calling them "rigid" and "limp" types, and since an early
-"Type B" was widely used in the first World War, quickly contracted "B,
-limp" into the handier word "Blimp."
-
-The third type, semi-rigid, has a metal keel extending the length of the
-ship, to which control surfaces and the car are attached, and with a
-metal cone to stiffen the bow section.
-
-The rigid ship is of German origin. Developed by Count Zeppelin, retired
-army officer, and largely used by that nation during the war of 1914-18,
-it was taken up after the war started, by the British and Americans, and
-to a small extent later by France and Italy.
-
-Non-rigid ships were widely used by the British and French, to a less
-extent by Italy and United States.
-
-The intermediate semi-rigid was largely Italian and French in war use,
-though United States bought one ship after the war from the Italians,
-built one itself. The Germans also built smaller Parseval semi-rigids.
-
-The rigid airships are the largest, the non-rigids smallest. The rigid
-has to be large to hold enough gas to lift its metal frame along with
-the load of fuel, oil, crew, supplies, passengers and cargo. The blimps
-can be much smaller.
-
-The Army's first airship, built by Major Tom Baldwin, old time
-balloonist, had 19,500 cubic feet capacity. Goodyear's pioneer helium
-ship "Pilgrim" had 51,000 cubic feet. These contrast with the seven
-million feet capacity of the Hindenburg, and the ten million cubic feet
-of ships projected for the future.
-
-The following table will show the range of sizes:
-
- Rigid Airships: Hindenburg (German) 7,070,000 cubic feet
- Akron-Macon (U. S.) 6,500,000 cubic feet
- R-100, 101 (British) 5,000,000 cubic feet
- Graf Zeppelin (German) 3,700,000 cubic feet
- Los Angeles (U. S.) 2,500,000 cubic feet
- R-34 (British) 2,000,000 cubic feet
- Semi-Rigids: Norge (Italian) 670,000 cubic feet
- RS-1 (U. S.) 719,000 cubic feet
- Non-Rigids: Navy K type (Patrol) 416,000 cubic feet
- Navy G type (Advanced Training) 180,000 cubic feet
- Navy L type (Trainer) 123,000 cubic feet
- Goodyear (Passenger) 123,000 cubic feet
- Pilgrim (Goodyear) 51,000 cubic feet
-
-The Akron and Macon were 785 feet in length, the K type non-rigid, 250
-feet long, the Navy "L's" 150 feet long.
-
-Let's cut back now to the Montgolfiers. Progress was disappointingly
-slow. The simple balloon would only go up and down, and in the direction
-of the wind. Before it could be practical, men must be able to drive it
-wherever they liked, make it dirigible, or directable.
-
-Ingenious men, Meusnier, Giffard, Tissandier, Renard, Krebs, many others
-worked over that problem through the entire nineteenth century. They
-devised ballonets or air compartments to keep the pressure up. They
-built airships of cylinder shape, spindle shape, torpedo shape, airships
-shaped like a cigar, like a string bean, like a whale. But the stumbling
-block remained, the need of an efficient power plant.
-
-The steam engine was dependable, but once you had installed firebox,
-boiler and cord wood aboard, there was little if any lift remaining for
-crew or cargo. Giffard in 1852 built an ingenious small engine using
-steam but it still weighed 100 pounds per horsepower, drove the ship at
-a speed of only three miles an hour. Automobile engines today weigh as
-little as six pounds per horsepower, modern airplane engines one pound
-per horsepower.
-
-Man experimented with feather-bladed oars, with a screw propeller,
-turned by hand, using a crew of eight men. Haenlein, German, built a
-motor that would use the lifting gas from the ship--coal gas or
-hydrogen. Rennard in 1884 built an electric motor, taking power from a
-storage battery.
-
-But real progress would have to wait for the discovery of petroleum in
-Pennsylvania and the invention of the internal combustion engine. When
-the gasoline engine came in, in the 90's, the dirigible builders saw the
-long sought key to their problem.
-
-While Count Zeppelin was experimenting with his big ships in Germany,
-Lebaudy, Juliot, Clement Bayard in France and most conspicuously the
-young Brazilian, Santos Dumont, were working with the smaller
-dirigibles. Santos Dumont built 14 airships in the first decade of the
-century, brought the attention of the world to this project. He won a
-100,000 franc prize in 1901 for flying across Paris to circle Eiffel
-Tower and return to his starting point--and gave the money to the Paris
-poor.
-
-The Wright Brothers made their historic flight at Kitty Hawk, in 1903,
-opening a different field of experiment. France pushed both lines of
-research. After Santos Dumont's dirigible flight, Bleriot started from
-the little town of Toury in an airplane, flew to the next town and back,
-a distance of 17 miles, making only two en route stops,--and the town
-erected a monument to him.
-
-In 1909, Bleriot flew a plane across the English Channel and in the
-following year the airship Clement Bayard II duplicated the feat,
-carrying a crew of seven, made the 242 miles to London in six hours.
-
-The year 1910 was a momentous one for all aircraft, with France as the
-world center. Bleriot and Farman, Frenchmen, Latham, British, the
-Wrights and Curtiss, Americans, broke records almost daily at a big meet
-in August that year, while at longer range the French and English
-dirigibles and the Parsevals of Germany, and still more important the
-great Zeppelins at Lake Constance droned the news of a new epoch.
-
-A young American engineer, P. W. Litchfield, attended the Paris meet,
-saw these wonders, made notes. He stopped in Scotland on his way back,
-bought a machine for spreading rubber on fabric, hired the two men
-tending it (those men, Ferguson and Aikman, were still at their posts in
-Akron thirty odd years later), hired two young technical graduates on
-his return, tied in the fortunes of his struggling company with what he
-believed was a coming industry.
-
-The next five years would see the nations of the world bending their
-efforts toward perfecting these vehicles of flight,--little realizing
-they were building a combat weapon which would revolutionize warfare.
-
-
-
-
- CHAPTER V
- Effect on Aeronautics of Post-War Reaction
-
-
- [Illustration: Airship and escort planes]
-
-Development of non-rigid airships slowed down after the impetus of the
-war had spent itself, as was the case in aeronautics generally and in
-all defense efforts.
-
-With the Armistice of November, 1918, the world was through with war.
-Men relaxed and reaction set in. There would not be another major war in
-a hundred years. Well-meaning people everywhere grasped at the straw of
-universal peace, of negotiated settlement of difficulties between
-nations, of disarmament of military forces to the point of being little
-more than an international police force. Germany, the trouble-maker, had
-been disarmed and handcuffed, would make no more trouble. The world,
-breathing freely after four years, wanted only to be left alone.
-
-Today with major countries striving feverishly to build guns and navies,
-it is hard to believe that naïve nations were scrapping ships only a few
-years ago and pledging themselves to limit future building. No one in
-the immediate post-war era could believe that men must prepare for
-another war, an all-out war more terrible and ruthless than men had
-known,--one which would send flame-spitting machines down from the air
-and through woods and fields, against which conventional foot soldiers
-would be as helpless as if they carried bows and arrows. Wishing only to
-live at peace with other nations, we could conceive no need to make
-defense preparation against frightfulness.
-
-Congress was divided between "big navy men" and "little navy men," and
-generals and admirals who brought in programs for expansion or even
-reasonable maintenance were shouted down. The public was in no mood to
-listen.
-
-If the usefulness of the Army and Navy was discounted during this
-period, more so was the rising new Air Force. Few were interested in
-airplanes, and these chiefly wartime pilots, who sought to keep aviation
-alive, made a precarious living flying wartime "Jennies" and "Standards"
-out of cow pastures, carrying passengers at a dollar a head, or how much
-have you. The word "haywire" came into the language, as they made
-open-air repairs to wings and fuselage with baling wire.
-
-Lighter-than-air had no Rickenbackers or Richthofens to point to, but
-got some advantage during this period from the activities of the
-Shenandoah, completed in 1923, and the Los Angeles, delivered in 1924.
-These ships could not be regarded as military craft, carried no arms.
-The Shenandoah was experimental, based on a 1916 design. The Los Angeles
-was technically a commercial ship, with passenger accommodations built
-in, could be used only for training.
-
-This grew out of the fact that the Allies planned to order the Zeppelin
-works at Friedrichshafen torn down but had held up the order long enough
-for it to turn out one more ship. This last ship would be given to
-United States in lieu of the Zeppelin this country would have received
-from Germany, if the airship crews, like those of the surface fleet, had
-not scuttled their craft after the Armistice, to keep them from falling
-into enemy hands. The Allies stipulated that the Los Angeles should
-carry no armament. It took a specific waiver from them for the ship to
-take part several years later in fleet maneuvers.
-
-Other airship activities in this country were at a minimum. The blimps,
-little heard of in this country during War I, remained in the
-background. A joint board of the two services gave the Navy
-responsibility for developing rigid airships, the Army to take
-non-rigids and semi-rigids. The Navy maintained a few post-war blimps
-for training, had little funds except for maintenance.
-
-The Army, having Wright Field to do its engineering and experimental
-work, fared somewhat better, carried on a training and something of a
-development program. It built bases at Scott Field, Ill., and Langley
-Field, Va., ordered one or two non-rigid ships a year, purchased a
-semi-rigid ship from Italy, ordered another, the RS-1, from Goodyear,
-operated it successfully.
-
-The Army's non-rigids, however, were overshadowed by the Navy's rigids
-and even more by its own airplanes, with the result finally that the
-Chief of the Air Corps, Major General O. O. Westover, a believer in
-lighter-than-air, an airship as well as airplane pilot, and a former
-winner of the James Gordon Bennett cup in international balloon racing,
-told Congress bluntly that there was no point in dragging along, that
-unless funds were appropriated for a real airship program the Army might
-as well close up shop. And this step Congress, in the end, took, and the
-Army blimps and equipment were transferred to the Navy, and the
-experimental program started by the one service was carried on by the
-other.
-
-The rigid ships were in more favorable position because they seemed to
-have commercial possibilities, and it was the long-range policy of the
-government to aid transportation. Government support to commercial
-airships could be justified under the policy by which the government
-gave land grants to the railways, built highways for the automobile,
-deepened harbors and built lighthouses for the steamships, laid out
-airports for planes, gave airmail contracts to keep the U. S. merchant
-flag floating on the high seas and air routes open over land.
-
-On this theory Navy airships, even though semi-military, got some
-support during the reaction period, because they might blaze a trail
-later for commercial lines--which, with ships and crews and terminals,
-would be available in emergency as a secondary line of defense, like the
-merchant marine.
-
-The little non-rigid blimps remained the neglected Cinderellas of
-post-war days.
-
-The Goodyear Company at Akron, which had built 1000 balloons of all
-types and 100 airships during and after the war, stepped into the
-picture during this period with a modest program of its own. The first
-of the Goodyear fleet, the pioneer, helium-inflated Pilgrim, now in the
-Smithsonian Institute, was built in 1925.
-
- [Illustration: The Atlantic crossing of the Graf Zeppelin in 1928
- and its round-the-world flight in the following year gave new
- stimulus to all aeronautics. With a relatively tiny Goodyear blimp
- as escort, the Graf lands at Los Angeles after crossing the
- Pacific.]
-
- [Illustration: At Lakehurst the Graf tries out the "Iron Horse," the
- U.S. Navy's mobile mooring mast, finds it highly useful, utilized
- masting equipment thereafter to compile an unusual record for
- regularity of departures, even under highly unfavorable weather
- conditions. (U. S. Navy photo)]
-
- [Illustration: The U.S.S. Akron, first result growing out of renewed
- interest in aeronautics after the reaction period, goes on the mast
- inside the Goodyear air dock, prior to leaving for her trial
- flights.]
-
- [Illustration: No large ground crews are needed with the mobile
- mast. Even the mighty Akron swings around easily at anchorage, heads
- into the wind like a weather vane, its control car resting on the
- ground.]
-
-In building this ship, Mr. Litchfield and his company indicated their
-belief in the value of big airships for trans-oceanic travel, for which
-the blimps would provide inexpensive training for pilots, and experience
-in operating under varying weather conditions.
-
-The Pilgrim, the Puritan, the Vigilant, the Mayflower and the rest of
-the Goodyear fleet which followed--named after cup defenders in
-international yacht racing--would also uncover during the course of
-day-after-day operations, improvements in ships and operating technique,
-which would be available to its customers, the Army and Navy.
-
-In building its own ships, Goodyear was following the tradition of
-American industry, which does not sit back and merely build goods to
-order, but has sought by developing better goods to anticipate and
-stimulate customer demand. In the automobile industry, for example,
-self-starters, closed cars, steel bodies, balloon tires, streamlining,
-and the rest were initiated by industry to increase public acceptance
-and further popularize the automobile. By building its own airships and
-flying them, Goodyear hoped to expand the market for military and
-commercial airships.
-
-The doldrum period, which made progress difficult, came to an end with
-dramatic suddenness. In the year 1927 a youthful pilot flew an airplane,
-alone, across the Atlantic ocean, and in the following year a
-middle-aged scientist made a round trip from Europe to America by
-airship, with 24 people aboard. The imagination of America and the world
-took fire. Aeronautics started anew.
-
-Perhaps no events in years have appealed so fully to the public
-consciousness or had such dynamic effects. Almost from the day of
-Lindbergh's flight and the Graf Zeppelin's arrival at Lakehurst,
-aeronautical engineers found themselves with money to spend in research
-and machinery. Airports unrolled across the carpet of America, night
-lighting came in, pilots became business men, appropriations were rushed
-through Congress, state assemblies, and city councils, and aeronautics
-became Big Business almost over night. The period of inaction and of
-reaction was over.
-
-
-
-
- CHAPTER VI
- Airship Improvements Between Wars
-
-
- [Illustration: Docked airship]
-
-The wartime airship was a cigar-shaped gas bag with an airplane cockpit,
-open to the weather, slung below. The contrast between it and the sleek,
-fast, streamlined Navy airship of today is almost as striking as that
-between wartime planes and automobiles and modern ones.
-
-Many improvements have been made, even though the airship has not had
-the experience of building thousands of units, as the automobile and
-airplane have had, or ample funds for research and experiment. Less than
-150 non-rigid airships have been built all told since 1914.
-
-The "B" type blimp, chiefly used in the World War, contained 80,000
-cubic feet of hydrogen, though some British and French non-rigids were
-built in larger sizes, and the United States Navy "C" ships, toward the
-end of the war, had 200,000 cubic feet of lifting gas. These compare
-with the 416,000 cubic feet of helium in the new Navy "K" ships. Speed,
-under the pressure of war needs moved up from 47 miles in the "B" to
-close to 60 in the "C," but is around 80 in today's "K" ships.
-
-Wartime ships carried three to five men and a day's fuel. Today's carry
-eight or ten, enough pilots, radio men, navigators, riggers and
-mechanics for two full watches, though normally everyone is on duty
-during patrols. The "B" was good for perhaps 900 miles, the "K" for well
-over twice that distance.
-
-Wartime ships had to keep the control car well away from the bag to
-prevent sparks from igniting the hydrogen gas. A windshield was the
-pilot's only protection from the elements. Modern ships, using
-non-inflammable helium, have closed cars, streamlined into the bag,
-ample room for navigation and radio, sleeping and eating quarters, even
-a photographic dark room, can be heated and noise-proofed.
-
-Early airships were pulled down and held by a large ground crew, a
-pneumatic bumper bag on the car cushioning its landing. Today's ships
-land on a swiveled wheel, roll up to a mast--or taxi off across the
-airport like an airplane and take off.
-
-These, however, are merely flight factors. More important is it that the
-wartime blimp was to a large extent hangar-bound. It could go no further
-from its base than it could safely return before its fuel was exhausted.
-
-Today's ships are expeditionary craft, can go almost anywhere, stay as
-long as they want. They are no longer land-bound, can be refueled and
-reserviced at sea. They are much safer, rank high in this respect among
-all carriers whether on land, sea or in the air.
-
-Three independent lines of study contributed to these results, those of
-the Army, Navy and Goodyear, each free to follow its own ideas, to
-observe results found by the others, adopt them, use them as starting
-points for further developments, or discard them.
-
-The improvements were achieved in a relatively short period. The army
-started in after the war and carried on a continuing program till 1932.
-The Navy, absorbed in its rigid airships, did not get into non-rigids
-till the early 1930's. Goodyear built the Pilgrim in 1925 but its
-development program really began with the blimp fleet in 1929.
-
-Noteworthy improvement was found during this period in materials,
-structure, design, engines and radio communication, with outstanding
-advances along three major lines.
-
-First was increased safety, permitted by helium gas. Wartime airships
-used hydrogen because it was all they had, had to develop what
-protection they could against fire through construction devices and
-operating technique. Hydrogen was not only inflammable, but under
-certain conditions explosive. World War pilots had to fly their hydrogen
-ships through thunder and lightning storms, dodge inflammatory bullets
-if they could. Zeppelin sailors wore felt shoes, with no nails to create
-a spark, used frogs for buttons, had to guard against static.
-
-It was a fortunate thing for the airship world when a gas was found in
-1907 in Dexter, Kansas, which would not burn. Curious scientists, asking
-why, found it was helium, a gas previously identified (in 1869) only in
-the rays of the sun. Helium gas is inert, refusing to combine with any
-other element, does not deteriorate metal or fabric. It was not much
-heavier than hydrogen, the lightest of all gases, so proved a welcome
-gift to lighter-than-air.
-
-For some reason, not explained except on the theory that Providence
-takes special interest in America, helium has been found in quantity
-only in this country. It is a component, present to the extent of two or
-three percent in certain natural gas, though ranging as high as eight or
-ten percent in favored areas. It can be separated by compression and
-liquefaction from the natural gas,--which is that much improved by the
-removal of the non-inflammable content.
-
-The world's chief known supply of helium lies in certain sections of
-Texas, Kansas, Colorado and Utah. More important, United States is the
-only country having great pipe lines, can distribute natural gas from
-Texas to cities as far away as Kansas City, St. Louis and Chicago.
-Without such a market operators would have to separate and release the
-95% of natural gas to get the 5% of helium, and costs would be still
-higher.
-
-Helium is perhaps the most useful of the few natural monopolies given to
-this country.
-
-It was only toward the end of the World War, however, that Army
-engineers worked out a process of separating helium from natural gas. A
-plant was built at Fort Worth and the first cylinders of helium had
-reached New Orleans ready for shipment to France to inflate observation
-balloons when the Armistice was signed.
-
-Army, Navy and Bureau of Mine engineers worked thereafter to increase
-production and cut costs, but as late as 1925 Will Rogers called
-attention to the fact that the Navy had not been able to get enough
-helium to supply both the Shenandoah and the Los Angeles at the same
-time. If one was using the helium the other had to stay home. Two ships,
-and only one set of helium, he commented.
-
-The use of helium cut the casualty list on the Shenandoah, would have
-saved the Hindenburg. Non-rigid airships have had no fire or explosive
-accidents since helium came into use as the lifting gas.
-
-It was the loss by a hydrogen fire of the Italian-built Roma, after it
-struck a high tension line at Langley Field in February, 1922, which
-fixed the policy of "helium only" for U. S. Army and Navy airships. The
-Army's C-7 was the first airship to use helium. In building the Pilgrim
-in 1925, Goodyear followed the same policy--even though it had to pay
-$125 a thousand cubic feet for helium while it could have obtained
-hydrogen for $5 per thousand.
-
-Further improvements and increasing volume of production brought the
-cost down in time from $125 to less than $20, and helium expense became
-relatively unimportant in providing safety for Goodyear's airship
-operations.
-
-Important too during this period was the Army's development of tank cars
-for transporting helium. A large item of helium expense was freight, the
-cost of hauling 130 pound metal containers which held 170 to 200 cu. ft.
-of the gas. It took 250 such containers to inflate Goodyear's smallest
-ship, the Pilgrim. The tank cars hold 200,000 cu. ft. of gas, almost
-enough to inflate two Goodyear airships.
-
-Experiments with specially woven fabric and the use of synthetic rubber
-cut down the losses resulting from diffusion, and where formerly it was
-necessary to remove the helium and purify it every six months, diffusion
-losses were cut to one or two per cent a month, with purification needed
-only every other year.
-
-In addition to increasing safety, helium permitted improvements in
-airship design. The wartime craft had its control cars suspended by
-cables from finger patches cemented to the outside of the bag. But with
-helium ships the car could be built into the bag, attached by an
-internal catenary suspension system to the top of the gas section. Each
-exposed suspension cable, no matter how small, creates parasitic
-resistance from the air, so that the removal of yards of steel and rope
-had the result of increasing the speed of the ship with the same
-horsepower.
-
-The second set of major improvements centers around the mooring mast.
-The mooring mast idea was not new. The British had built the first ones
-during the World War for its large rigid ships, found that a ship
-attached to it would swing easily, like a weather vane, continuing to
-point into the wind, and that a well streamlined ship would hold
-securely even in winds of great velocity.
-
-When Alfred E. Smith ordered a mooring mast built on top the Empire
-State building, it was with the assurance from his engineers that even
-with the tugging of the 150-ton Graf Zeppelin, the strain would be
-little more than the normal push of the wind against the building
-itself, that the added stresses would be negligible.
-
-The Germans had had little occasion to use mooring masts.
-Friedrichshafen, where most of the Zeppelins were built, lay in a
-natural bowl, well protected from the winds, and ships could take off
-and land, be walked in or out of the hangar with little risk from the
-weather.
-
-Lakehurst, on the other hand, lay in an exposed position, in the path of
-coast-wise storms, a frequent battle-ground between onshore winds from
-the ocean and storms breaking over the mountains from the west. A study
-made later to determine bases for projected American passenger
-operations showed that of weather conditions prevailing between Boston
-and the Virginia Cape, those at Lakehurst were almost the most
-unfavorable.
-
- [Illustration: Four stages in the evolution of the mooring mast. At
- the outset large ground crews held the ship on the ground.]
-
- [Illustration: Then a stub mast was placed atop a truck, to hold the
- ship on the ground, maneuver it in or out of the dock.]
-
- [Illustration: A high mast, made in sections, can be erected
- anywhere, anchored by guy wires, holds the airship securely against
- winds of gale force.]
-
- [Illustration: The little brother of the "Iron Horse", which will
- receive the largest of the new Navy blimps, maneuver them on the
- field.]
-
-People knew little about airship operating when the Navy base was moved
-from Pensacola to Lakehurst on a waste site in the Jersey pine lands
-which the Army no longer needed after the war as a proving ground for
-its artillery.
-
-This defect proved an advantage. The Navy was forced by the very nature
-of things to concentrate on a problem which had been no problem to
-Doctor Eckener and his associates. At the urging of Admiral Moffett,
-Commander Garland Fulton, Lieutenant Commander C. E. Rosendahl and
-others, Navy engineers built a high mast, 180 feet tall, following
-British practice, with a service elevator inside, then tackled the
-problem of keeping the ship on even keel against up and down gusts.
-Since the wind does not come out of the ground, a low mast was
-suggested, half the height of the ship, so that when anchored the ship
-would all but rest on the ground. The Navy was working on this when an
-incident happened to strengthen the argument.
-
-The co-incidence of a wind shift, and rising temperatures one afternoon
-as the Los Angeles was resting comfortably at anchorage, started the
-tail rising, and it continued to rise till it reached almost 90 degrees.
-Then the ship turned gently on its swivel, and descended easily on the
-other side, with no more damage than some broken china in the galley.
-Still a 700-foot airship has no business doing head-stands, so the low
-mast development was rushed through. It proved successful.
-
-The next step was to make the low mast mobile, so that it could not only
-hold the ship on the ground but take it in and out of the hangar. First
-of these was Lakehurst's famous "iron horse," a giant motor-driven
-tripod, which rolled out on the airport, hauling incoming ships into the
-hangar, took advantage of daylight calms to take ships out into the
-field ahead of time so as to be ready to leave on schedule.
-
-On the Graf Zeppelin's trip around the world in 1929, hangars were
-available for fueling stops at Lakehurst, Friedrichshafen, and curiously
-enough in Japan, a German shed turned over to the Nipponese after the
-1918 Armistice, having been re-erected at Tokio. There was none however
-on the American West Coast to house the ship after its long trip across
-the Pacific. So the Navy, under direction of Lieutenant Commander T. G.
-W. Settle, hauled a mast up to Los Angeles from San Diego (it had been
-erected there for the Shenandoah's flight around the rim of the country
-in 1923) anchored it with guy wires. It served the purpose perfectly.
-
-The Germans, skeptical at first, became convinced of the value of the
-mast, themselves erected masts at Frankfort, and Seville, at Pernambuco
-and Rio de Janiero, used them as terminals.
-
-Once the masting technique had been worked out, the Graf Zeppelin and
-the Hindenburg, in the years 1930-6, made a record of regularity which
-no other vehicle of transportation has approached. They took off at
-times over the ocean for Europe when all other aircraft in the area was
-grounded, when the fog hid the entire top half of the ship, and the ship
-disappeared into the fog within a few seconds after the "Up Ship" signal
-was given. What few delays appear on the record were due to waiting for
-connecting airplanes to arrive with the latest European mail for the
-Americas.
-
-So far the use of masts had been entirely a matter for the large rigid
-airships. The Army did the first development work on high and low masts
-for its smaller ships at Scott Field, as well as a landing wheel for
-them to ride on. A situation at Akron started experimentation along a
-different line. At Goodyear's Wingfoot Lake Field, Mr. Litchfield
-frowned over the expense of having a considerable crew on hand to land
-and launch the blimps, with little to do after the ship was in the air.
-To an Army or Navy post, with plenty of men in training, this surplus of
-men was no difficulty, but any private corporation operating passenger
-airship lines would find the expense burdensome.
-
- [Illustration: The Navy L-2, one of the first ships under the
- expanded program, lands at Wingfoot Lake, Akron, is walked to the
- mooring mast.]
-
- [Illustration: Close-up view of engine and cowling, and swiveled
- landing wheel.]
-
- [Illustration: With a drogue or sea anchor to hold the airship
- steady, supplies or personnel may be taken aboard at sea. (U. S.
- Navy photo)]
-
- [Illustration: A newly-hatched airship breaks its shell at Akron,
- will try its wings then join the Navy.]
-
-He put the question to his men in 1930, offering cash prizes for the
-best solution. Out of many ideas, one clear-cut line of progress
-appeared. This was to make the ground crew truck a maneuvering base,
-with a mast on top, which could be folded down when not in use. The
-truck then could not only hold the ship on the ground, but guide it in
-and out of the hangar with more security than by using a large number of
-men. Extra wheels mounted on outriggers kept the truck from being turned
-over by side gusts. In succeeding years the ground crew truck became a
-traveling mooring point which could follow the ship across country, give
-it anchorage when night fell, and at the same time act as a traveling
-supply depot, machine shop, radio cabin, and crew quarters.
-
-A portable mast, built in sections, high enough for ships to mast at the
-nose, was the next step. It could be set up on an hour's notice,
-anchored by guy wires and screw stakes for more extended operations.
-Gradually the airship became independent of the hangar, came to use it
-only for overhaul and the purification of its helium gas. The blimp
-could be fueled and serviced completely in the open.
-
-Lacking a dock in San Francisco, at the time of the Exposition in 1939,
-the Goodyear blimp Volunteer moved up from Los Angeles, based on a mast
-for five months. The only time it sought shelter was when a splinter
-from the propeller pierced the bag, causing a leak. The ship flew 60
-miles down the bay to the Navy base at Sunnyvale, like a boy coming in
-from play to have a splinter removed from his finger, went back again,
-didn't even stay over night.
-
-In the winter of 1940-41 the "Reliance" which had been spending its
-winters in Miami, using a wartime Navy hangar which the city had moved
-up from Key West, found that building commandeered for defense work. So
-a mast was set up on the Causeway, and the ship operated with no other
-home than that for six months, saw no shelter from the time it left
-Wingfoot Lake in early December till it returned at the end of May.
-
-The Navy had a different problem as it moved into the non-rigid picture
-in the early 1930's. Its problem was only incidentally to operate away
-from its base at Lakehurst. Ships were getting larger in size, and masts
-were needed where they could be moored outdoors, or taken in and out of
-the hangar. The solution was a smaller replica of the rigid airship's
-"Iron Horse" except that it moved on large rubber tires, and was towed
-in and out by tractor, rather than carrying its own power plant.
-
-A portable mast was also developed for the Navy blimps, with a special
-car to haul it around. This mast could be sent to Parris Island or some
-point in New England, ahead of time, set up and used as a temporary base
-for radio calibrating or other missions.
-
-Navy ships basing at Lakehurst have operated for weeks at a time along
-the coast as far north as Bath, Maine, and as far south as the
-Carolinas, with a portable mast as headquarters.
-
-Utilization of the mast principle by non-rigid airships not only greatly
-increased their radius of operation, and cut down landing crews, but
-increased the number of operating days per month.
-
-Pilots of early airplanes used to go out on the airport, hold up a
-handkerchief, and if it fluttered, conclude it was too windy to fly. So
-early airship pilots, with anemometers on the roof of the hangar and at
-points over the field, judged it too risky to take the ships out if the
-wind was higher than four or five miles an hour, and then only if it was
-down-hangar in direction.
-
-Modern airships lose few flying days because it is too windy to go out.
-Under war conditions, when risks must be taken, which need not be taken
-for passenger or training flights, very few days would be wasted if
-there is military necessity for it.
-
-Navy non-rigids miss few rendezvous with the fleet in exercises out of
-Lakehurst, regardless of the weather outside.
-
-If the portable mast revolutionized airship operations over land,
-experiments started by the Navy in 1938-39, largely under the direction
-of Lt. C. S. Rounds, promise to be just as important in over-water
-operations. These showed that the airship could pick up ballast from the
-ocean, could get fuel from a passing ship, could change crews at sea.
-
-Ballast is important to a vehicle which growing continuously lighter as
-it uses up fuel, must still be kept in equilibrium. Transoceanic
-Zeppelins, using hydrogen, had to fly high enough to "blow off" the
-surplus gas once or twice during a trip to compensate for the ship
-growing lighter. But hydrogen was cheap, and could be manufactured as
-needed. American ships could not afford to waste helium, which was a
-natural resource. Army and Navy engineers had worked on this, and
-equipment developed for the Akron and Macon to condense the gases from
-the burned fuel was able to recover more than 100 pounds of water
-ballast for every 100 pounds of fuel used.
-
-The blimps didn't use these since they ordinarily would not be out for
-more than a day at a time, still a ready source of ballast would make it
-unnecessary to valve helium on long flights.
-
-Ironically enough a whole ocean full of ballast lay below seagoing
-airships, but no practical method had been devised to take the sea water
-aboard until the Navy tackled the problem in 1938.
-
-That problem may be visualized in the obvious difficulty of maintaining
-physical contact between an airship and a surface ship. The two move in
-different media, one influenced mostly by the waves, the other mostly by
-the wind. The surface ship is moving up and down, the airship subject to
-gusts which might break the contact or thrust it violently against the
-masts or superstructure of the surface ship. Servicing has been done
-under favorable circumstances, but could not be relied on as standard
-procedure.
-
-The solution reached was this. The pilot swings his ship down to within
-100 or 150 feet of the water, lowers a hose with a small bronze scoop,
-not much wider than the hose, so as to lessen the drag.
-
-Twenty-five feet up from the scoop is a streamlined cylinder, blimp
-shaped, carrying a small electric pump. This cylinder, nicknamed the
-"fish", has tail fins to keep it from spinning, and skims along the
-surface or jumps out like a porpoise, but the scoop is far enough behind
-and heavy enough to trail easily beneath the surface, stays directly in
-the ship's wake, continues without interruption to pick up ballast for
-the airship above.
-
-The whole gear weighs slightly more than 100 pounds, can pick up water
-at cruising speed, can function in rough water or smooth. The Navy J-4,
-chiefly used in these experiments, normally consumes 500 pounds of fuel
-in five hours of flying at cruising speed. It was able to pick up that
-much water ballast in seven minutes.
-
-The next step was to enable an airship to obtain fuel from a tanker or
-other ship without physical contact or advance arrangements--even from a
-passing merchantman. The pilot asks by radio or voice whether the
-surface ship can spare some gasoline, and on an affirmative answer,
-lowers or drops on his deck two rubberized fabric spheres connected to
-each other by 14 feet of rope--also a note of instructions. The smaller
-sphere is an ordinary air-filled buoy, the larger, about three feet in
-diameter when filled, is the fuel bag. The surface ship fills the fuel
-bag, then drops both bags overboard, being careful only that they do not
-get tangled up. Then the airship flies over the two bags, drops a hook
-between them, hauls away, pumps the gasoline into its tanks.
-
-The third device permits an airship to anchor in the open sea near a
-surface ship to transfer crews or take on fuel and supplies. The anchor
-is a cone-shaped rubberized fabric bag, ten feet long, with a diameter
-of 2-1/2 feet at the top. It is lowered 50 feet below the airship by two
-cables connected with each other by rungs to form a ladder. Half of the
-cables' length is made up of heavy exerciser cord to dampen the effect
-of wave movements. On top the cone is a wire mesh cover which allows the
-water to pass through, and is strong enough to act as a platform,
-supporting a man.
-
-As the cone fills up the airship drops ballast till its "mooring mast"
-is half submerged. The principle of the drag rope comes into play--if
-the airship starts to rise it finds itself lifting an increasingly
-heavier load, counteracting the rising tendency. If it starts to settle
-down toward the water, the load is correspondingly lessened and the ship
-grows lighter. The result is that the airship is held highly stable,
-even in a rough sea. The surface ship then sends a small boat alongside
-and dispatches the relief crew members or supplies, them up and down the
-ladder, or uses a winch, the platform atop the anchor serving as the
-operating base. This system also permits the moving of a sick passenger
-ashore, or the rescue of a man overboard.
-
-When the airship is ready to leave its anchorage, the cone is tipped by
-a line attached to the bottom, spilling the water, and hauled aboard.
-The servicing ship need carry no special equipment. The weight of cone
-and ladder is negligible.
-
-By being able to pick up ballast and borrow fuel from a passing ship,
-(neither airship nor surface ship need slow down for the fuel exchange
-if going in the same direction) the airship greatly increases its radius
-of operations.
-
-The advantage of being able to change crews at sea may not be quite as
-clear. This, however, grows out of the fact that today's non-rigid
-airship has greater endurance than the crew which flies it. An
-anti-submarine, anti-mine patrol calls for constant alertness. Reduction
-of vibration and noise, the use of closed cars instead of open cockpits
-has lessened fatigue, enabling men to remain on duty over longer periods
-than before. But obviously there are limits.
-
-The Navy is conservative in estimating how long its new "K" ships may
-stay out without refueling. Weather and the nature of the mission will
-have some bearing on that, but if we assume a cruise of 48, 60 or even
-72 hours which might be done under favorable conditions and idling the
-motors, we still cannot expect a crew of men to remain vigilant and
-alert for that length of time.
-
-Extra men for relief watches can be carried only at the expense of the
-fuel load. However, if a fresh crew could be sent aboard every 12 hours
-from a nearby surface ship, along with fuel, ballast and supplies, the
-blimps might operate for extended periods.
-
-No blimps have done this. The fleet might see no need for them to go out
-for long periods. However, the possibility has been established, and
-might be useful in the emergencies of war, or accident. While the
-primary usefulness of the blimp lies in the coastal waters, it can go to
-sea if needed--and stay out--can be used in convoy work or as a
-listening post.
-
-Other improvements were uncovered during the experiments. A sea anchor
-or drogue was devised to enable the airship to "lay to" for extended
-periods, without consuming fuel, in case it wishes to use its listening
-devices against submarines, make repairs or for other purposes. Plans
-have been worked out for landing on the water in quiet bays in calm
-weather, utilizing flotation gear, or a three-point mooring to ordinary
-mud anchors--facilitating servicing from nearby Coast Guard stations.
-
-Perhaps a significant thing about these experiments is that the
-principles seem applicable as well to rigid airships. The ability to
-pick up ballast in flight may well eliminate the necessity for
-ballast-recovery devices, with a substantial saving in cost, and an
-impressive saving in weight.
-
-By eliminating the heavy condensers, and translating that weight-saving
-into fuel, it is estimated that the range of a ship of the Los Angeles
-size could be increased by 20 percent and ships of the Akron-Macon size
-by 15 percent, in the last case amounting to 1,250 miles of additional
-cruising radius.
-
-A trans-oceanic passenger airship could start out with virtually no
-water ballast at all except a minimum amount for maneuvering, use its
-fuel supply as ballast and pick up sea water as needed. This could be
-done at 500 feet elevation, at the rate of 80 gallons a minute, using a
-30 horsepower motor, could be done in half an hour a day. The ship need
-not slow down materially while doing this.
-
-Application of this principle to military airships of the rigid type
-might be still more significant. The chief use for the rigid airship in
-war would seem to be as a high speed airplane carrier, whose planes
-would increase many fold its own reconnaissance range, and would be
-expected also to do the major part of what fighting became necessary in
-case of enemy contact. The airship itself in that situation would put
-more dependence on its speed of retreat and its ability to seek cover in
-clouds as the submarine does beneath the surface, than on its own
-machine guns and cannons.
-
-One thing brought urgently home to us in the first weeks of the present
-war is that oceans are wide, and that the movements of even a huge enemy
-fleet are difficult to discover in those endless expanses of water.
-
-Large military airships of five or ten million cubic feet helium
-capacity might prove exceedingly useful, if they were able to operate
-away from their base for weeks or even months at a time, and they might
-be able to do this by utilizing devices similar to those developed for
-smaller non-rigids, resting on the sea in calm waters, mooring to
-anchored masts they could lower into the water, picking up fuel from
-tankers, getting supplies from neighboring ships--in addition to what
-was carried to them from the fleet by their own planes.
-
-
-
-
- CHAPTER VII
- Adventures of the Goodyear Fleet
-
-
- [Illustration: Airships flying in formation]
-
-One of the lesser romances at least of aeronautics is the story of the
-Goodyear airship fleet.
-
-There is thrill and adventure in the narrative, daring and
-resourcefulness, hazards faced by men who believed in their
-craft--chances which were usually won. So this chapter might well be
-dedicated to Airship Captain Charles Brannigan and Balloon Pilot Walter
-Morton.
-
-Morton was an old timer, who had flown balloons with Tom Baldwin, in the
-far corners of the country. Between times he worked in the Goodyear
-balloon room, a practical mechanic who could always make things work,
-the salt-of-the-earth workman whom every foreman swore by, the aide
-every pilot wanted alongside. Steady, self-effacing, courageous, with an
-instinct for the right thing to do in emergency, Morton feared but one
-thing. That was lightning.
-
-He had flown many times through lightning storms prior to the helium
-era, beneath a bag filled with inflammable gas, but he didn't like it.
-He knew its swift striking power.
-
-"I could almost see the Old Fellow standing there throwing those darts
-at us," said Morton one afternoon in 1928, as he scanned the skies
-before taking off in a balloon race out of Pittsburgh. "One would flash
-past and miss, and he would say 'I'll get you next time,' and there
-would come another. And you can't dodge in a balloon."
-
-The Old Fellow scored a direct hit that afternoon. Morton was flying
-with Van Orman, Gordon Bennett Cup winner. The uncertain weather of the
-afternoon had resolved itself less than an hour after the take-off, and
-eight balloons were being tossed as a juggler tosses weights, a thousand
-feet high, 10,000 feet, caught and tossed aloft again just before they
-touched the ground. Morton's balloon was hit at 12,000 feet, caught
-fire, alternatively fell like a plumb bob or parachuted in the net,
-landed without too much of a shock. Van Orman, unconscious, sustained a
-broken ankle. Morton had been instantly killed.
-
-But aerologists learned things that afternoon about the force of
-vertical movements of the air. The balloons gave a perfect track of what
-went on. One balloon was falling so fast that sacks of ballast thrown
-overboard lagged behind it, while a hundred yards away another balloon
-was shooting upward at similar speed.
-
-We still know less than we should about the movements of the air, this
-new world into which the Aeronautic Age is moving. The Pittsburgh
-tragedy may save many lives, avoid other tragedies.
-
-The Brannigan story is shorter, no less dramatic. High-spirited, keen, a
-captain whose ship and crew must always be shipshape, Brannigan had come
-to Goodyear from the Army--where he had already distinguished himself by
-making repairs in mid air to the semi-rigid Roma, ripped by a splintered
-propeller--saving a comrade as an incident to the job--had quickly won
-his captaincy at Goodyear, was one of its best flyers.
-
-At Kansas City one afternoon in 1931 a Kansas twister headed for the
-airport. Seeing the weather uncertain Brannigan had stopped passenger
-flying, put his ship on the mast. Now he ordered his mechanic to get off
-and cut the ship loose. Once aloft, with helium gas, he was not afraid
-of any storm that blew. But before the ship could clear the mast, the
-storm had struck, with full fury. The anchors holding the mast pulled
-out of the ground and the ship, with the mast attached, was hurled into
-the nearest hangar, ripping one motor off. That was Brannigan's cue to
-jump. The door had been propped open for a photographer's camera. But he
-had one motor left, the bag was undamaged, the mast had fallen clear. He
-wouldn't give up his ship as long as there was a chance to save it.
-
- [Illustration: Reunion in Akron--The ships comprising the Goodyear
- fleet, could tell stirring stories of battles with the elements
- waged in many states.]
-
- [Illustration: Some of these pilots flew airships in the first war,
- others came in later from the technical schools--many now are flying
- airships for the Navy.]
-
- [Illustration: From this pocket handkerchief size airport, off the
- Century of Progress Exposition in Chicago, Goodyear ships carried
- thousands of passengers, from all over America.]
-
- [Illustration: The Mayflower landed on the deck of the SS Bremen,
- took off passenger P. W. Litchfield.]
-
- [Illustration: The Enterprise lands to rescue the crew of an
- ice-locked steamer in Chesapeake Bay.]
-
-However the storm was not to be denied, and before he could get
-altitude, the wind threw the ship into a nest of high-tension wires, set
-it afire. Brannigan climbed out, walked to a nearby automobile,
-transferred to a second car enroute to the hospital after a
-collision--and died the next day from third-degree burns.
-
-He called Furculow, his co-pilot, just before the end, told him to see
-that the men in the crew were taken care of, that they were not
-penalized for the loss of the ship. Furculow, now flying airships for
-the Navy, is not the only man in Goodyear who will not forget Charley
-Brannigan. It is on such men that the traditions of the service are
-built. Any cause for which men give their lives cannot be held lightly.
-
-The Goodyear Company had built a few airships of its own prior to the
-1925 Pilgrim, when helium became available. Best known of these was the
-"Pony Blimp" which operated out of Los Angeles from 1919 to 1923, flew
-passengers to Catalina, worked for the movies in Arizona and Wyoming.
-
-But the real beginning came with the Pilgrim, the larger Puritan and
-still larger Defender, as the Goodyear fleet came into existence in
-1928-29.
-
-Early pilots had no specific instructions except to take the ships out
-and fly them--fly them hard, find out all they could about them, see
-what weaknesses and shortcomings there were and how to improve them. It
-was another test fleet, repeating the history of the automobile.
-
-The pilots were supposed not to get hurt, but they were to fly in all
-kinds of weather they felt it safe to fly in. They might lose a few
-ships, but were expected to be able to walk away from them, not to get
-in any trouble they couldn't get out of. They had an advantage over Army
-and Navy fliers in having a free hand as to where they might go. They
-were expected to make mistakes but should learn from them.
-
-Such instructions, largely unwritten, acted as a challenge to the
-pilots, a high-spirited and courageous group. Starting with a few men
-who had flown airships in the World War, or helped build them in the
-balloon room and the machine shop, they added some technical school
-graduates in 1929, and others as needed.
-
-Their adventures started after they left Akron. Operating from bases
-built or leased over the country, they would cover every state east of
-the Mississippi in a few years. They looked for hard things to do--or
-unusual things which would interest the public in airships. They landed
-on the roofs of buildings in Akron and in Washington--though a prudent
-Department of Commerce would later rule against that; they picked up
-mail from lines dropped on decks of incoming ships, and from small boats
-alongside; they fished for sharks and barracuda, hunted for whales; they
-picked up a bundle of newspapers from the Hearst building downtown, and
-lowered them to Al Smith on the top deck of the Empire State building;
-picked up another batch from The Toronto Star offices, delivered them at
-the Canadian Exposition grounds; they covered boat races, football and
-baseball games, the International Yacht Races, carrying press
-photographers, newsreel men and radio announcers; they went to the Mardi
-Gras, to the Carnival of States, the Cotton Carnival, Expositions at
-Chicago, Dallas, Cleveland, San Francisco and New York, to county fairs,
-plowing and corn-husking contests. They covered fires in New York,
-chased outlaws and reported forest fires in the high Sierras; they made
-traffic studies in New York and Washington, studies in bird life in
-Florida; they picked up stranded fishermen in the Gulf of Mexico, took
-Mr. Litchfield off the after deck of the SS Bremen in New York harbor;
-they surveyed canal projects; patrolled the Mississippi during flood
-time to rescue families from raging waters, to report to the engineers
-where the levees were weakening; they carried food and supplies to a
-boat ice-bound in Chesapeake Bay; they circled a thousand country school
-houses, dropped greetings by parachute to hundreds of cities.
-
-One of their spectacular feats was the rescue of an airplane crew in
-Florida in 1933. Two pilots flying to Miami from Tampa for the Air Races
-had made a forced landing in the Everglades. Searching airplanes located
-the ship, but it was far from any highway, inaccessible by boat or on
-foot, the men without food and tormented by mosquitos, and with
-apparently no way of ever getting out unless a road could be built in to
-them. But a blimp found it easy, because it alone of all craft could
-stand virtually still in the air.
-
- [Illustration: Few important cities east of the Mississippi have
- missed seeing a Goodyear blimp by now, not to speak of those in the
- Southwest, the Pacific coast. Trips have been made also to Cuba,
- Canada and Mexico. More than 400,000 passengers have been carried,
- without even the scratch of a finger.]
-
- SUMMARY
- TOTALS UP TO JANUARY 1, 1942
- FLIGHTS 151,810
- HOURS 92,966
- PASSENGERS 405,526
- MILES 4,183,470
-
- FLIGHTS BETWEEN:
- AKRON - FLORIDA 49
- " - DALLAS 6
- " - CHICAGO 12
- " - TORONTO 14
- " - LAKEHURST 18
- " - WASHINGTON 57
- " - NEW YORK 42
-
-Pilot Wilson flew to the spot, cut his motors, drifted down to 50 feet,
-directed the refugees to catch the trail ropes, then as the airship
-settled took them aboard, dropped sand bags to lighten ship, flew
-home--came back later with salvage parties to recover motors and other
-parts.
-
-All these exploits were incidental to the job of learning about airships
-and airship weather--the tricks of winds and rain and storms. And they
-did learn. A hangar had been built in the woods at Grosse Ile, Detroit,
-with a lane of trees left standing so as to extend the line of the
-building--this under the assumption that the trees would protect the
-airships while entering or leaving. The British, under stress of war
-conditions had done this, used woods as windbreaks for landings, even
-for the assembly of airships at times.
-
-But the wind has a trick of spilling over, like a waterfall, when it
-strikes an obstruction. Early pilots were expert balloonists, and might
-have remembered their experience in riding over mountainous
-country--observed how the wind would carry them almost into a cliff, but
-just before reaching it would pick the great bag gently up, carry it
-over the top, drop it on the far side, almost to the bottom of the next
-valley--but not quite, pick it up and carry on--a graphic chart of the
-air flow in broken terrain.
-
-But in the first weeks of operation at Detroit, a cross-hangar wind,
-spilling over the windbreak, twice pushed an airship gently but firmly
-into the trees on the far side. The trees were cut down, and the study
-of eddies and gusts hastened the development of a mobile mooring mast
-which would hold the ship steady in turbulent areas.
-
-The Goodyear pilots learned to fly unworried through fog. As early as
-1920, Hockensmith, flying the "Pony Blimp" from Los Angeles to Catalina
-Island, got lost when his compass failed in a fog so dense he could
-hardly see the nose of the ship. Flying low and slowly, barely off the
-water, he presently spied a dark shape ahead, came on a U. S. submarine,
-with decks awash, and an officer on lookout in the conning tower. He
-landed on his pontoons, taxied alongside, borrowed a compass, went on to
-his destination.
-
-The conviction that except within its hangar the ship was safest in the
-air, grew out of many battles with wind and storm. Brannigan, flying the
-Vigilant at Washington, was caught in a storm which broke up an
-aeronautic show, wrecked several planes on the ground, sent the rest
-scattering for shelter. Piling extra cans of gasoline aboard, Brannigan
-cut his ship loose, headed into the wind, a wind so high that at times
-he found himself pushed backward at full throttle, hovered for an hour
-and a half over the capital, waiting the storm out, then flew 150 miles
-down the bay to Langley field and put up for the night.
-
-On another occasion at Winston Salem, with his ship on the mast,
-Brannigan was caught in a sleet storm, found his ship bowed down and
-being crushed by the weight of ice on its back. Getting extra men from
-the city fire department, he braced his control surfaces with poles,
-beat off the ice on the bag as high as he could reach with branches,
-built oil smudge fires alongside to melt the ice, took off all possible
-equipment, to lighten ship, kept his craft headed into the wind, fought
-the storm successfully--and in the morning as the sun came out and the
-ice melted, flew on to Florida.
-
-Boettner, starting south in 1930 in the larger Defender attempting a
-non-stop flight to Miami, ran into ice and snow in the Tennessee
-mountains. An oil line froze. His mechanic climbed out on the outriggers
-and made emergency repairs in flight, but not before the ship had lost
-most of its oil. Reaching Knoxville airport by morning, he dropped a
-note, lowered a line, hauled up additional oil, refilled the tanks, went
-on to the Gadsden hangar to complete repairs.
-
-No Goodyear blimp has ever been damaged by storms while in the air,
-though a bit of resourcefulness was needed from time to time. For that
-matter, inquiry does not disclose any cases of a non-rigid airship being
-damaged by storm while in flight.
-
-Two Goodyear blimps were in the path of the 1938 hurricane, which,
-heading for Florida from the Caribbean, changed its course erratically
-and moved up the coast, shot across New England. Lange, with the
-Enterprise, was at New Brunswick, N.J., 50 miles off the direct course
-of the hurricane. He put his ship on the mast, held it there during
-winds which rose as high as 73 miles per hour. He put extra men on the
-handling lines, doubled the number of screw stakes which held the mast,
-used the bus, with its motor wide open, as further re-enforcement. The
-storm raged furiously at the ship for hours but couldn't budge it and
-when the hurricane passed on, everything was intact.
-
-Boettner, with the Puritan at Springfield, Mass., was almost directly at
-the axis of the storm. He made the same gallant fight as Lange, but
-against winds which roared to 100 miles per hour in gusts, uprooted
-100-year-old trees, tugged at a sheet-iron hangar roof, flapping it up
-and down, finally ripped it loose, sailed it like a child's kite across
-the airport and out of sight.
-
-At the peak of the storm the steel chains attaching the mast cables to
-the screw stakes failed on the windward side, thrusting the mast into
-the side of the ship, cutting a hole in the fabric. Boettner pulled out
-the rip panel, deflating the ship to prevent further damage and when the
-storm passed rolled up the bag, loaded it and the control car aboard a
-truck, shipped it into Akron where a new bag was attached. The Puritan
-was back at work within a week.
-
-No wonder Goodyear pilots came to have great faith in the staunchness of
-their craft, and their ability to get out of trouble.
-
-Fuel exhaustion didn't bother the blimp. Fickes found that out early, at
-Wingfoot Lake, when a leak developed in his tank and emptied it. Free
-ballooning his ship he floated over a farm house, asked them to call the
-office, waited aloft till a truck came out with additional fuel.
-
-Boettner had a similar difficulty while returning from Canada in the
-Defender. Persistent headwinds cut down his fuel and when he reached the
-American shore around midnight it was a question whether he could go on
-as far as Akron. Picking up U. S. Highway Five as being heavily
-traveled, he swung low over an adjoining field, slowed down so that his
-mechanic could drop off, flag a passing car and go into town for gas. By
-the time the aide returned a number of cars had parked alongside.
-Driving into the field, with headlights full on they formed a half
-circle, and the drivers caught the lines, held the ship till the fuel
-could be delivered, and Boettner proceeded on to Wingfoot Lake.
-
-Mishaps there were of course, in all these years, but few were serious.
-Lange snagged a lone dead tree in the fog over the Alabama mountains and
-Smith side-swiped another while flying over a pass in Tennessee. The
-ship settled easily to the ground in each instance, and farmers came in
-with stone boats, carried the car and bag to town for repairs.
-
-Brannigan, returning at night from Syracuse, ran short of gasoline,
-directed his ground crew to land him in an open field ahead. The ship
-nosed down, his aide directing the men with his flashlight. But just at
-this juncture the top of the flashlight fell off into the propeller, was
-whipped into the bag like a bullet, started a leak which was not
-discovered till next day.
-
-Most ships in the Goodyear fleet have been fired on by thoughtless
-hunters. Once a bullet went through a ship a few inches back of the
-pilot. One marksman was arrested and sent to jail in Florida. Pilot
-Trotter had a curious experience in Oklahoma in 1935, while on his way
-to the Dallas fair. The ship had been on the mast for three days waiting
-for weather. On the fourth morning, finding the ship rather sluggish,
-Trotter looked around. A glass window from the cabin gives a view of the
-interior of the bag and as Trotter looked he saw light blinking from 14
-bullet holes--through which gas had been pouring for three days!
-
-The nearest hangar where repairs could be made and helium secured was at
-Scott Field, near St. Louis, 400 miles away. By this time the ship had
-barely enough lift for the pilot and 100 gallons of gas, not enough for
-the co-pilot. So Trotter flew alone to St. Louis, landing so heavy that
-the ship had almost to be carried into the hangar, made his repairs and
-was back in Oklahoma the next day.
-
-Sewell had the experience of seeing a propeller fly off while heading
-down the bay from San Francisco, saw it careen wildly down, flew on to
-the next airport on one motor, mounted his spare.
-
-Always the pilots were calling for more speed, removing or streamlining
-whatever sources of resistance they could, picking the time for
-cross-country flights when conditions were favorable. They flew from
-Akron to Washington and New York frequently at 60 miles per hour. The
-Reliance did even better in a trip north in 1939.
-
-Starting home after its winter in Florida, the ship was held up in
-Jacksonville--by tire trouble of all things. The distance an airship can
-make in a day is limited by the distance the bus can travel, since the
-ground crew must be on hand at night to land the ship. And by now the
-bus, with its radio equipment, masts and the like had reached the point
-where only the special Goodyear YKL tires would sustain the 14,000
-pounds of weight comfortably. There was a shortage of YKL's when they
-started and three standard tires had failed on the run up from Miami.
-Neither Jacksonville nor Atlanta branch had YKL's in that size and to
-get them from Akron would entail a day's delay.
-
-Meanwhile the ship was tugging on the mast, with a strong south wind,
-anxious to get under way. The pilots held a conference. Maybe, utilizing
-the tail wind, they could make it non-stop all the way to Washington,
-700 miles north and have Lange's crew land them. If they ran short of
-gas they could stop at Ft. Bragg, N. C., a convenient half-way point.
-The Army had a motorized observation balloon there, and was always
-willing to lend a hand to fellow airshippers. It was Sheppard's turn to
-take the controls. He sent a wire to Ft. Bragg.
-
-"If I run short of fuel, I'll circle the field as a signal. Could you
-land my ship, lend me enough gas to get on to Washington?" The answer
-came back promptly, in the affirmative, and the ship left at midnight.
-
-Roaring across the Carolinas at mile a minute speed the Reliance sighted
-Ft. Bragg before daylight, with plenty of gas left. An entire company
-was lined up ready to land the ship. Sheppard flew low, cut his motors,
-thanked them, flew on for Hoover Airport, arriving before noon. He
-averaged 66 miles per hour over the 700 mile trip, and landed with
-enough gasoline to have gone on to New York.
-
-By utilizing helping winds, throttling his motors to cruising speed,
-Sheppard had effected most economical use of his fuel supply.
-
-Fickes used the same technique more strikingly in the delivery flight of
-the larger Navy K-5 in 1941, when he flew in to Lakehurst from Wingfoot
-Lake at 100 miles per hour speed, again demonstrating that greater
-cruising radius than that for which a ship was designed may be effected,
-whenever it is possible to pick departure times that are most favorable.
-
- [Illustration: Ships like these, off New York City's great harbor,
- might afford warning of the approach of enemy submarines, or the
- laying of mines to endanger its shipping.]
-
- [Illustration: Operating from a base across in Jersey, the blimps
- became a familiar sight around New York City during the World's
- Fair.]
-
- [Illustration: While throughout the middle west, the long afternoon
- shadows marked the arrival in one city after another of strange
- visitors from the sky.]
-
-Other improvements in construction or operating technique grew out of
-the fleet's experiences in flying in all weathers. A trip made by the
-Defender in 1930 from Miami across to Havana brought home the usefulness
-of the radio. The insurance underwriters insisted on a two-way radio
-being installed, along with pontoons on the ship, as safety precautions.
-Neither radio nor pontoons were needed during the crossing, but the
-pilots sensed the desirability of being able to communicate with their
-home station and their airport objective. Shortly after a short wave
-frequency was granted to the ships, one of the early ones in aircraft,
-and two-way sets were later installed on every ship, on the ground-crew
-buses and at Akron.
-
-This permitted the making of daily weather maps, extended the airships'
-radius of action. Pilots would set out with more assurance, knowing that
-they would be quickly advised of foul weather ahead, could change their
-course, give appropriate instructions to the men on the ground, land
-whenever it seemed desirable.
-
-In the end the airships were all doing instrument flying, riding the
-radio beams like the passenger airplanes, got their landing and take-off
-instructions from the radio control towers at the airports.
-
-The fleet proved an ideal testing vehicle for the expeditionary mast.
-But progress moved carefully, a step at a time. As late as 1930 an air
-dock was built alongside the company's plant at Gadsden, Ala., for use
-as an operating base in the middle south. It was thought necessary as a
-half way point for ships headed for Florida. After the high mast came in
-however, the Gadsden dock came to be used only for warehousing, and no
-airship has been inside it in four years.
-
-In 1932 the Volunteer started in from Los Angeles for Akron, making the
-first successful trip of any non-rigid airship over the Continental
-Divide. The Volunteer was due for helium purification and a new bag. No
-helium facilities were available closer than Akron. Rather than deflate
-the ship and send it by train, Pilot Smith decided to fly in. He laid
-out a route via El Paso, San Antonio, and Scott Field, so that he could
-get shelter, if necessary, at army hangars at those points. He berthed
-at El Paso just after a 100-mile-an-hour storm had passed over, stayed
-three days at Kelly Field, found it unnecessary to stop over night at
-Scott. Even so, because of persistent head winds he had had to spend ten
-nights in the open, setting up his low mast with screw stakes on the
-open prairie.
-
-Mooring out procedure had improved by the time that Sewell made the same
-trip five years later, so he made only courtesy stops at the three army
-camps, was on his own.
-
-A mishap at Louisville gave impetus to the development of the high mast.
-The retractible low mast mounted on top of the bus was attached to the
-bag about half way between the car and nose of the ship, convenient to
-get at, the system being referred to as "belly-mooring." The low mast
-was light, could be set up quickly and easily, would hold securely
-against a straight pull of considerable force. However, it was not as
-effective in the case of a wind shift, or gusts which rolled the ship on
-its side. A higher mast, with the ship anchored at the nose, was free to
-swing in all directions. Every one realized this, but it was only after
-Crum's ship was caught and twisted by a gust at Louisville, punching a
-hole in the bag, that the change was made.
-
-The high mast, built in sections, anchored by guy wires to stakes
-screwed in the ground, was more bulky, took longer to set up, but would
-hold the ship indefinitely once it was in place.
-
-Thereafter both masts were carried in cross-country trips, the
-convenient low mast being used for overnight stops in good weather, the
-high mast for more extended operations, or when the weather looked
-threatening.
-
-The ground-crew bus was in evolution during this period. Built
-originally to carry merely crew, spare parts and supplies it added a
-radio room, navigation quarters, and carried the two masts. A scout car
-cruises ahead to make overnight arrangements, a trailer follows, with
-its own electric plant and expeditionary equipment, including a spot
-light to play on the ship at night. Duties of airship personnel grew
-more specialized and complex.
-
-Members of the ground crew acted as radio technicians, meteorologists,
-mechanics, riggers. They comprised a colorful group, recruited from all
-parts of the country. Sailors from New Bedford, fruit growers from
-Florida, farm boys from Ohio, ranchers from the San Joaquin valley, a
-mechanic from a Chicago airport, a policeman from the Cleveland fair,
-all dropped their work and followed the airships. The personnel list was
-a history of every place an airship had operated.
-
-The work wasn't easy, involved long hours in the cold and rain when
-storms threatened, picking up mail from their families on the fly in
-cross-country operations, moving their households from north to south
-and north again. But the ground-crew men stuck, most of them having ten
-years' service and more. On cross-country trips a crew of 14, including
-pilots, is adequate.
-
-The pilot personnel too formed an interesting group. Jack Boettner,
-chief pilot, veteran of the group, with probably more airship hours than
-any man in the world, certainly in non-rigid airships, had played
-all-American football at Washington and Jefferson, been instructor at
-Wingfoot Lake through the first war, was working in Goodyear's
-aeronautical sales when the fleet got under way.
-
-As expansion started in 1927 Smith came in from the aero workshop, would
-remain second in flight hours only to Boettner. Fickes from Akron
-University, left the Efficiency Dept. to sign up, set up one of the
-first outside bases, at New Bedford, flew the Mayflower when it picked
-up Mr. Litchfield from an ocean liner, later became manager of all
-airship operations. O'Neil from the workshop came on too, in that year,
-became chief mechanic.
-
-When a base was set up at Los Angeles, Lange, a New Englander who had
-left Boston University to fly airships in the first war, later flying
-out of Panama, joined up, was sent to California, later took charge of
-the Washington base. Sewell, a Kansan with a similar record, having left
-the state university to fly blimps in coastal patrol in 1918 came in,
-captained a ship at New York, followed Lange at Los Angeles.
-
-Further expansion came in 1929, when the Puritan, Mayflower, Vigilant
-and Volunteer and Defender were added to the fleet. Now came Wilson,
-Purdue footballer, Furculow from West Point and Mt. Union, Hobensack
-from West Virginia U, Rieker and Crum from Ohio State, the last named
-becoming engineer officer of the group.
-
-Other practical men came in, from the balloon room and aero
-shops--Sheppard a Virginian, who later flew all over New England, the
-Middle West and Texas; Massick, Crosier and Munro; Blair, Army sergeant
-from Scott Field, came to Goodyear after the semi-rigid RS-1 was
-finished.
-
-Stacy, another New Englander, left the class room at Massachusetts Tech
-to sign up. Dixon, born in a lighthouse on Nantucket Island, left a
-billet as junior officer on a South American liner to fly land ships
-instead. Trotter, from the Naval Academy, was in engineering work in
-Florida when a blimp flew over. Lueders came in via the ground crew at
-Los Angeles.
-
-Many of the Goodyear pilots were commissioned as Reserve officers in the
-Navy, and Fickes, Boettner, Lange, Sewell, Wilson, Trotter and Furculow
-each took a year's active duty with the Navy at Lakehurst with rigid
-ships. More than a score of trips were made by Goodyear pilots across
-the ocean as student officers aboard the Graf Zeppelin and the
-Hindenburg, getting post-graduate training.
-
-The breaking up of the pilot organization began as early as 1940, when
-with war clouds appearing in the East, Trotter, Rieker and Furculow
-volunteered for active duty with the Navy. By the middle of 1941, Stacy,
-Smith, Lueders and Dixon had followed them into uniform, were flying
-Navy airships at Lakehurst.
-
-To fill their places and also furnish material for the already expanding
-airship Navy, a training class of 19 men was started in late 1940 at
-Akron and Los Angeles. A six-months' ground school preceded flight
-training--which started with seven balloon flights.
-
-The training course evolved there was one which grew naturally out of
-such a situation. Airship piloting had changed from the "seat of the
-pants" flying of the first war, when veteran Jack Boettner would turn
-out pilots in six weeks. The ships had become more complex as
-improvements were made. Helium gas was being used. Navigation by radio
-and compass was quite different from the "concrete compass flying" of
-1916, when pilots followed highways or railroad tracks to keep on
-course. Instrument flying had come in, and blind flying was part of
-every student's training, in a closed control car, operating by
-instrument only. The modern airship pilot had to know his radio beams
-and the rules of Civil Aeronautics Authority, be able to ride the beam
-into the airport. In these various details the Goodyear pilots,
-long-seasoned, had perfected themselves through years of operation, were
-competent to pass on their secrets to the youngsters coming in.
-
-The student pilot spent his first half dozen hours trying only to keep
-the ship at constant altitude, not caring where he was going. Then he
-would fly a given course, follow a zigzag rail fence, or a winding road,
-not worrying about his altitude. Lesson three was to combine the two,
-fly at constant altitude over a set course. And after enough hours at
-this, he'd try to circle a pylon, keeping a specified distance away,
-while the wind pushed the ship in one direction, then another--now
-flying up wind, now down, now cross-wind, now quartering, making such
-changes in course to allow for wind and drift as to maintain a perfect
-circle--and trying finally to achieve the supreme art of the airshipper,
-which is to get the feel of the controls and the weather so that he can
-anticipate drift and sharp drops and rises, move his controls a split
-second ahead of time, stay on course and altitude.
-
-Airship students got no exemption from Civil Aeronautics Authority by
-reason of the fact that blimps land more slowly than bombers, took the
-same physical examination, including eyesight. The training course
-worked out with the government followed closely that for
-heavier-than-air pilots, with such changes only as were made necessary
-by the fact that in one case a static lift was utilized chiefly, and in
-the other case dynamic lift. There was plenty of need for the students
-by the time they finished their training.
-
-Over the 16 years during which the fleet operations were carried on ship
-sizes settled down to 123,000 cu. ft. as a compromise between the 51,000
-cu. ft. Pilgrim and the 164,000 cu. ft. Defender. This size ship could
-carry six passengers with pilot and aide, was easy to handle with a
-small crew, had adequate cruising radius for the job at hand.
-
-Later ships, the Enterprise, Ranger, Resolute, Reliance and Rainbow,
-carried on the tradition of honoring the defenders of America's cup in
-international racing.
-
-While an airplane can land anywhere on an open field, the airship needed
-at least a minimum of terminal facilities. Many groups co-operated at
-the outset. St. Petersburg, Florida built a hangar; Miami towed a
-war-time Navy shed up from Key West; Col. E. H. R. Green built one on
-his New Bedford estate for use in connection with radio studies being
-made by Massachusetts Institute of Technology. The company built its own
-at Gadsden, Los Angeles, Washington, Chicago and New York, calling them
-air docks rather than hangars.
-
-Unused Army and Navy hangars were borrowed in the early years at
-Aberdeen, Md., and briefly at Cape May, N. J., Pensacola, Arcadia, Cal.
-and Chatham, Mass., with Lakehurst, Langley Field, Scott Field and
-Sunnyvale, Cal., handy as ports of call.
-
-More and more, however, the fleet grew independent of ground aid, became
-increasingly self-reliant through the use of its masting equipment.
-
-The Goodyear fleet wrote a remarkable safety record in the 16 years.
-Accidents to airship personnel could be counted on the fingers of one
-hand, and in the case of the public, 400,000 passengers had been carried
-up to 1942, for a total of 4,000,000 miles without a scratch of anyone's
-finger.
-
-
-
-
- CHAPTER VIII
- Results of Fleet Operations
-
-
- [Illustration: Moored airship and flying airship]
-
-Goodyear airships made some contribution during the 16 years of fleet
-operations, to flight and ground handling technique. They also
-contributed to men's knowledge about weather. For wherever it is flying,
-an airship, by the very nature of the craft, is continually registering
-the effects at that point of certain components of weather. And the
-ships covered a considerable part of the country fairly thoroughly.
-
-The nature and movements of air currents can be studied only
-incompletely from the ground, for conditions there are merely the result
-of forces aloft. Only two vehicles leave the ground and use the air as
-highways. Of these the airship is vastly more responsive to changes in
-temperatures and barometric pressure than the airplane, because of the
-lifting gas in its envelope, and somewhat more responsive to changes in
-wind directions and velocities, because of its greater displacement of
-air.
-
-Goodyear airships have traveled widely, have seen at first-hand the
-effects of rain and snow, fog and sleet, wind and whirlwind, thunderhead
-and lightning storm. More important they have been spectators at the
-unseen battle waged endlessly between cold fronts and warm ones across
-the great central plains, continued with renewed vindictiveness through
-mountain ranges and valleys.
-
-The information brought by these voyagers has not been without value to
-the men in the airport control towers, who are studying weather
-phenomena in the effort to make flying safe.
-
-A whole new science of weather interpretation has come in with air
-transport, and the U. S. Weather Bureau has other duties than advising
-farmers about planting and harvesting crops. It may be merely
-coincidence that when a new chief had to be selected for the Weather
-Bureau a few years ago an airship pilot was selected--Commander F. W.
-Reichelderfer of the Navy, who had long studied the movement of air
-masses and their effect on flight.
-
-Army and Navy ships put in more actual flying days per month than
-Goodyear ships, when on coastal patrol, because once out at sea the
-service ships were out for all day--and an airship, by picking its time,
-and using its mast, can always get out and get back.
-
-Goodyear pilots had a different sort of job. They were operating over
-land, flying 100 passengers a day, at 10 to 15 minute intervals, in one
-town after another. They might suspend operations when ceilings were
-low, or winds high, or gusty, not because they couldn't fly under those
-circumstances, but because flights would be less agreeable, and might be
-hazardous for their passengers. However, the ships themselves, having no
-shelter at hand, had to stay out and take it. Their job was to interest
-the people of America in lighter-than-air, and they had to go wherever
-people were, regardless of what flying weather might intervene.
-
-So between Navy, Army and Goodyear airships operating over a period of
-years, it was fairly well demonstrated that there is very little
-unflyable weather for lighter-than-air craft. That is a conclusion of no
-small importance.
-
-Winds of gale force may make it prudent for the airship to stay in the
-hangar or on the mast, and conditions of zero ceiling, zero visibility,
-which ground other aircraft, would make operations hazardous, especially
-over mountainous country, but even the most adverse weather conditions
-would hardly keep the airship at home if an enemy was at large. Any time
-submarines are operating the airship can be available to seek them out.
-
-Another result emerging from the fact of fleet operations was that
-flying men and construction men, working together, became a closely knit
-group. Engineers learned to fly ships, and flyers took their turn in the
-shops. In building airships for the Navy, at the speed demanded by war
-conditions, the control cars were built in the shop and the envelopes
-cut out and fitted and cemented together in the balloon room. But
-operating men, flyers and ground crew men, mechanics and riggers and
-maintenance men took over from there, put the ships together--assembled
-them, tested them out, delivered them to the Navy.
-
- [Illustration: Lessons in streamlining gained from building and
- flying blimps became useful when barrage balloons came into the
- picture as a new defense weapon.]
-
- [Illustration: The mooring mast made the blimps expeditionary craft,
- eliminated the need for large ground crews, permitted more flying
- days per month, increased safety.]
-
- [Illustration: Floating Navy blimps and barrage balloons, with their
- curious star-fish tails, give the service dock something of the
- appearance of a giant aquarium.]
-
- [Illustration: Principal use for the rigid airship in wartime is as
- an airplane carrier, with half a dozen planes to extend its
- reconnaissance range and determine the enemy's position.]
-
-It was this co-ordination between men in green eye shades, working over
-the drafting board and wind-tanned pilots, studying gray skies and
-phosphorescent control boards, which enabled the organization to meet
-the war emergency of large scale production of non-rigid airships.
-
-There was another by-product result arising from the fact that the
-company, even in the doldrum days, when there were few orders for ships,
-had kept its engineers at work on research and its ships flying on
-experimental missions. It all happened suddenly, a colorful circumstance
-not often found in the sober humdrum of the business world.
-
-A great plane manufacturer, having more defense work than its crowded
-shops could handle, looked around for some company with experience in
-the fabrication of light metal, to whom it could farm out some of the
-details.
-
-Goodyear Aircraft Corporation, the aeronautic subsidiary, was asked to
-build tail surfaces for Martin bombers. A curious thing happened. Men
-whose work had been primarily with airships, rather than airplanes
-(omitting the quite different field of airplane tires, wheels, and
-brakes) found themselves on familiar ground when they swung over to
-heavier-than-air construction.
-
-Here was the same problem of getting maximum strength with minimum
-weight, of selection and treatment of light alloys, of intricate stress
-calculations, and a hundred ingenious devices to measure those stresses,
-enabling designers to turn out a scientifically designed structure. The
-background was there--not to mention their experience and studies in
-streamlined design--to reduce resistance, get maximum performance from
-power plants.
-
-The difference was that in the case of the airship savings in weight
-mount fast, because of size. The importance of light weight and high
-strength had come home to airship designers years before.
-
-Their experience was directly applicable to the new field. Other orders
-came in, from Curtiss, Consolidated, Grumman, and soon the huge plant
-was humming with the production of parts for fighters and bombers.
-
-Then a four-company arrangement was set up by the government to expand
-airplane production still further, and after that an order for complete
-planes. The original plant was now jam-packed with lathes and drills,
-jigs and presses, and three huge new plants were built alongside and
-across the road, and Goodyear Aircraft Corporation found itself with
-thousands of men, building not only airships, but airplanes and airplane
-parts as well.
-
-Every large company took on new tasks in defense, but in this case
-Goodyear was able to move quickly, and give unexpected support to the
-airplane program by reason of its long research in a different field.
-This result, it is true, grew chiefly out of research in rigid airships,
-rather than non-rigids, but both played a part in another
-instance--barrage balloons.
-
-England was using them, might ask this country to supply some. The
-American government too might have use for them. So, long before there
-was even any hint of orders, Mr. Litchfield threw a new problem to the
-engineers at Goodyear Aircraft and the operating men at Wingfoot
-Lake--the job of designing an efficient barrage balloon. They were not
-to make Chinese copies of foreign balloons, but draw on their experience
-in lighter-than-air and see if principles and technique established
-there could not be applied to design balloons which would ride with
-maximum stability in gusty and unstable air. Men went to work,
-designing, building, flying, observing, rejecting, altering, improving,
-week after week, month after month, until several satisfactory types
-were evolved. One of these was capable of flying at 15,000 feet, twice
-the usual height. Orders began to come in, and the little group of men
-and girls in the balloon room quickly grew into a large organization.
-The department outgrew its quarters, took over room after room, expanded
-to subsidiary plants outside Akron.
-
-One instrument developed illustrates how the airship men were able to
-utilize past experience in a new project.
-
-Mounted alongside the winch on the ground, it gave exact information, as
-often as was wanted, as to what the barrage balloon was doing, a mile or
-three miles up.
-
-This assembly included a moving picture camera, which continuously, or
-at fixed intervals, or at any instant desired, by means of radio
-control, would photograph recording dials and show these things: wind
-velocity at the balloon, tension on cable, gas pressure inside the
-balloon, temperature of confined gas, temperature and humidity of the
-air surrounding the balloon, angle of attack at which the balloon faced
-the wind, both fore and aft and from side to side, also a clock, which
-showed the time the readings were recorded.
-
-These pictures, when developed gave the engineers the data from which
-they could modify designs and arrive at a type of balloon which would
-ride most easily aloft, avoid undue tugging and surging on the
-cable--incidentally permitting smaller gauge and weight cable to be used
-for a given height with ample safety margin.
-
-Perhaps the largest single result, however, growing out of the fleet
-operations was that it had created manufacturing facilities, ships and
-personnel on which the Navy could draw, as fully as it wanted, in
-emergency, and with little more delay than the time it took for a man to
-change his uniform.
-
-Boettner, Sewell, Blair, Hobensack and Hill followed the others into the
-service. Hobensack's ground crew in California signed up with him in a
-body, and men from other ground crews, expert in rigging, in motors,
-radio, in mooring out and maintenance joined up. In the end only Fickes
-and Crum were left at Akron to build the new ships, and Sheppard,
-Crosier and Massic to test-fly them, then ferry them to their
-destinations.
-
-The student pilots at Wingfoot Lake had finished their training just in
-time. About half of them went immediately into the Navy, were
-commissioned and sent to the various bases, the others remained at Akron
-as replacements to the other pilots, in testing and delivery flights, or
-on key posts in airship construction.
-
-The experience accumulated by the blimp pilots under varying weather
-conditions over the country proved useful to the Navy, particularly in
-the expeditionary operations which coastal patrol would demand. It was
-useful as well in helping train navy aviation cadets for the growing
-airship fleet. Five of the pilots, Sewell, Boettner, Rieker, Stacy and
-Smith had reached the rank of lieutenant commander by the end of 1942,
-and Lange, full commander, had become commanding officer of a new Navy
-station on the west coast. Two of the public relations men, Lieutenants
-Petrie and Schetter, old airship troupers, followed the fliers into
-uniform.
-
-The airship service suffered its first casualty in 1942 when Lt.
-Trotter, gallant and resourceful pilot of balloons and ships, was killed
-in a collision, in which Lt. Comdr. Rounds also lost his life.
-
-The Goodyear fleet passed out of existence with the war. The ships being
-the same size as the Navy training ships, it was a simple matter to
-change them over, paint the new name on their broad sides.
-
-Facilities for ship construction became useful also in the new war. An
-airship hangar is unlike any other structure in the world. It must be
-broad and high and free of supporting girders. There were two large
-airship docks at Akron, half a dozen smaller ones over the country. At
-hand, too, was equipment for helium purification and storage, along with
-radio and weather gear, mobile mooring masts and other specialized
-equipment which only lighter-than-air uses. There was the balloon room,
-too, with a wealth of experience dating back to the first World War, and
-which with new jobs like building barrage balloons, rubber rafts and
-assault boats grew to large dimension.
-
-Wingfoot Lake was more than doubled in size, and the large airship dock,
-occupied at first by heavier-than-air production, had to be changed back
-later for airship assembly, to meet the Navy's mounting demands for
-ships. The bases at Washington and Los Angeles were converted to other
-aeronautic uses; the two-ship dock at Chicago and the one at New York
-were torn down and moved to Akron to provide additional space for ship
-assembly.
-
-And so the fact that the company had maintained an airship fleet for a
-number of years had the result that in emergency when the Navy needed
-ships and men to fly them, Goodyear was ready. All of which was not
-foreseen when Mrs. Litchfield pulled a cord to release a flock of
-pigeons and christen the pioneer ship Pilgrim, at a pasture-airport
-outside Akron in 1925.
-
-
-
-
- CHAPTER IX
- Vulnerability of Airships
-
-
- [Illustration: Airship and escort warship]
-
-Mention airships and most people will immediately raise the question of
-vulnerability.
-
-Large, slow moving, a tempting target, airships could be shot out of the
-sky by ship or shore guns, or by hostile airplane fire, it is argued,
-almost as easily as a dinner guest touching his cigaret to a toy
-balloon.
-
-And this is probably true, with reservations, if enemy ships or
-anti-aircraft batteries or planes were around. But the airship,
-non-rigid, has no more business in such areas than a British airplane
-carrier would have to drop anchor in Hamburg harbor.
-
-It was because of the imminence of attack from sea or shore or air that
-neither England nor Germany used airships in the present war,
-particularly since they would have to use the inflammable hydrogen gas.
-It was because such attack on American airships from any of these three
-sources was much less likely--and that we have helium gas, which does
-not burn--that this country is using them.
-
-Their chief field of operations is not off the enemy's coasts but our
-own, along that broad ribbon of waters used by our coastwise shipping,
-an area roughly marked in the Atlantic by the 100 fathom curve, the
-favorite fishing grounds of enemy submarines. Thousands of miles of blue
-water, not the narrow lanes of the North Sea or British Channel are
-between them and the shore guns of an enemy.
-
-An enemy fleet, though likelihood of this seems remote, might penetrate
-those coast waters in attempted invasion, attack the blimps with
-anti-aircraft fire. But such an enemy, arriving in force, would have
-either to knock out our Atlantic fleet, or slip past it in surprise
-attempt. In the remote later contingency, the information relayed back
-by airship radio that the enemy was moving in would be worth losing
-airships or any other craft, to get.
-
-The third hypothesis, attack by airplane, is also conceivable. But if
-long-ranging enemy planes were able to get that close to our shores
-they'd have more important business in hand than wasting time and powder
-on a helium bubble bobbing in the air, 10,000 feet below--which in any
-event would already have radioed the news ashore.
-
-In the fairly remote contingency that the airplane did choose to attack
-the blimp, it would find the position of that moving target, flying at
-an indeterminate distance below, much more difficult to calculate than a
-fixed target ashore, no easy thing to drop bombs on.
-
-If it swung down close, it might riddle the bag with machine gun bullets
-but without necessarily sinking it--as witness the case of Trotter's
-ship in Oklahoma leaking gas for 72 hours from 14 gaping holes and still
-able to fly 400 miles for repairs. The plane would have almost to cut
-the blimp in two with a spray of bullets to destroy it--if it chose to
-use its precious far-borne ammunition in such fashion--and would find it
-better to attack from below, on the chance of a lucky hit into the
-airship structure or controls, or one which disabled its crew. But in
-that event the airship, also armed, shooting it out from its more stable
-gun platform above would have as good a chance as the plane.
-
-The airship is vulnerable--as are all other military craft--but used as
-the Navy proposes to use airships, it may be said to have an acceptable
-degree of vulnerability, in view of its potential usefulness in its
-special field--defense against submarine attack on convoys or coastwise
-shipping.
-
-The airship's advantages have been pointed out, but may be repeated.
-These grow out of its speed range, from zero to a maximum of 65 knots or
-so. Its slow speed, as compared to the airplane has the compensation
-that it does not have to circle around to maintain altitude, can keep
-any suspect object under continuous observation. Its high speed enables
-it to reach a given point much sooner than the fastest surface scout.
-
- [Illustration: Barrage balloons--spiders who spin out webs of steel
- as they ascend--but these spiders are out to catch fliers, not
- flies, enemy fliers who threaten our democracy.]
-
- [Illustration: Modern armies towing a few of these pocket sized
- barrage balloons along, might not be too much concerned over attacks
- by strafing airplanes.]
-
- [Illustration: This Strata Sentinel will fly at 15,000 feet, twice
- the height of other barrage balloons. By that time the lobes will be
- completely filled out by expanding pressure of the lifting gas.]
-
- [Illustration: This airship, silhouetted against the afternoon sun
- might be pacing a peaceful cruiser race through the surf off Long
- Beach, on the Southern California coast. Or it might be leading
- units of the mosquito fleet to sea off Cape Cod, to hold an enemy
- U-boat in check till ships of heavier armament could arrive.]
-
- [Illustration: Helium-inflated, fast, long ranged, the modern K-type
- Navy patrol ship is a far cry from the primitive airships of World
- War I. They are armed with bombs and machine guns.]
-
- [Illustration: In brilliant sunshine, or overcast, in fog or rain or
- snow, the blimps take off from their bases day after day, on guard
- against any enemy who may invade the coastal waters. A faint smoke
- screen, miles distant over the endless waters, may turn out to be a
- peaceful merchantman--or a vessel with grimmer purpose, seeking the
- advantage of surprise attack.]
-
- [Illustration: Airship over cargo ship]
-
-The detection of a submarine even on the surface is largely a matter of
-looking in the right direction at the right time. The open windows on
-all sides of the airship, without obstruction by wings give it special
-value in this field.
-
-A submarine submerged is still harder to find as its tell-tale feather
-is not easy to spot from a speeding plane or from the crow's nest of a
-surface craft.
-
-A non-rigid airship throttling down to the speed of its prey, and having
-the altitude of the airplane, has a much better chance of sighting the
-submarine, before it can launch its torpedoes.
-
-Taking off in fog, flying in low visibility, compelled to fly close to
-the water, these factors do not worry the airship or handicap its
-usefulness overmuch, and might under given conditions prove extremely
-useful.
-
-The airship appears to have some advantage too in the length of time it
-may remain on station, ranging from 30 hours at high speed to
-undetermined days at low. Indeed its endurance is not so much a matter
-of fuel capacity as of the ability of crews to stand long watches
-without relief.
-
-There might be emergencies where airship scouts were wanted on
-continuous duty over a considerable period. Commander Roands'
-experiments point out interesting possibilities in this respect, through
-the transfer of fuel and supplies from a surface ship, and the taking on
-of fresh crews.
-
-This generally was the case men saw for the airship up to 1941, as
-having potential usefulness, in the event of war, against attack by sea.
-
-Then came Pearl Harbor, and America's entrance into a new war. German
-U-boats, larger, faster, more deadly, moved swiftly in to attack, as if
-waiting for the signal. The Japs made reconnaissance raids along the
-West Coast.
-
-"Wolf packs" of submarines in new under-water tactics stalked convoys,
-picked off stragglers. More than 600 coast-wise ships, merchantmen from
-the Caribbean and South America, and tankers from the Gulf, were sunk in
-the first year of war. The loss of tankers brought serious complications
-ashore, the rationing of gas along the eastern seaboard to conserve
-supply for military purposes. Despite a quickly expanding program of
-ship construction merchantmen were being sunk faster than they could be
-built.
-
-The Navy's sea-frontier defense moved to meet the attack. Non-rigid
-airships were assigned a place in that program, wherever they could be
-utilized and with what ships were on hand, and new airship construction
-was rushed.
-
-Under authorization from Congress, a program of airship and base
-construction, together with helium procurement, was accelerated, and by
-the end of the year, stations were in commission or being built at key
-points along both coasts and the Gulf of Mexico.
-
-Akron expanded its facilities many fold for the building of new
-airships, which were flown to the various bases with increasing
-frequency during the year. Large classes of officers, aviation cadets
-and enlisted men went into intensified training at Lakehurst and Moffett
-Field, preparing themselves to man the ships as fast as they were
-delivered.
-
-The blimps which have been available to the sea-frontier forces have
-rendered valuable service in patrol and escort missions. Their exact
-record of performance, including number of submarine sinkings, obviously
-cannot now be published.
-
-On sighting a submarine, or finding indication of its presence, the
-tactical doctrine might call either for attack, or to stand by,
-summoning airplanes and surface craft in for the kill, keeping the enemy
-under unsuspected surveillance the while, and saving the blimp's own
-depth bombs for another action.
-
-The airship is capable of carrying on patrol and escort missions day
-after day under a wide range of weather conditions, going for months at
-some stations, even in the winter, without missing a day.
-
-Though no detailed summary of airship activities is possible now, it is
-no secret that, just as in the last war, the submarines avoided attack
-upon convoys where airships were on guard. The German high command
-tacitly admitted that this was one type that the U-boats did not want to
-meet, an enemy immune to its torpedoes, whose presence the sub's
-under-water detectors did not reveal, and which might appear overhead
-without warning. Admiral Doenitz, commanding the German submarine force,
-testified in a press interview to their respect for our blimps.
-
-The battle against the submarines will be long and difficult, and ships
-will still go down and men will be lost, but the chase will be
-relentless as long as the menace exists. Airships, non-rigid, have taken
-their place in that phase of America's war effort.
-
-
-
-
- References
-
-
-Little is available in the way of bibliography on lighter-than-aircraft,
-their history and characteristics. Among the best works dealing with
-this subject are Captain C. E. Rosendahl's, "What About the Airship?"
-(Scribner's), and "Up Ship" (Dodd Mead); Captain Ernst Lehmann's
-"Zeppelin" (Longman's) and Captain J. A. Sinclair's "Airships in Peace
-and War" (Rich & Cowan, London).
-
-Copies of "The Story of the Airship (Non-Rigid)," may be procured
-through The Goodyear Tire & Rubber Co. at Akron, Ohio; or at Los
-Angeles, or branch offices.
-
-
-
-
- Index
-
-
- A
- Alcock (and Brown) Atlantic Crossing, 16.
-
-
- B
- Ballast recovery, 40 et seq.
- Bases, airship, world war, 14;
- peacetime, 58, 59, 64, 65.
- Baldwin, Major Tom, 25, 45.
- Bennett, James Gordon, races won by Goodyear pilots, 13;
- by Westover, 30;
- Van Orman, 46.
- Barrage Balloons, 63, illust. opp. 62, 63, 68.
- Blimp, origin of name, 25.
- Blanchard, Jean Pierre, channel crossing, 22.
- Boettner, Jack, pilot, 51, 52, 58, 65.
- Boyd, Lt., 19-20.
- Brannigan, Charles, photograph opp. vi;
- pilot, 45, 46, 50, 51.
-
-
- C
- C-5, illust. opp. 14, 22;
- Atlantic crossing, 15, 16.
- Charles, J. A. C., first hydrogen balloon, 22;
- drag rope, 23.
- Chatham, U-boat attack, 14.
- Consolidated, planes, 63.
- Curtiss planes, early flights, 27;
- Goodyear part in construction, 62.
- Crum, H. W., pilot, 56, 57.
-
-
- D
- Defender, 47;
- at Havana, 55.
- De Rozier, 22.
- Drag rope, developed by Charles, 23;
- use at sea, 42;
- with mast, at sea, 70.
-
-
- E
- Eckener, Hugo, 31, 37.
-
-
- F
- Fickes, Karl, pilot, 52;
- record flight of K-5, 54, 57, 58, 65.
- Finger patch, illust. opp. 14, 35.
- Franklin, Benj., observations on aeronautics, 22.
- Fulton, Captain Garland, 37.
- Furculow, Pilot, 57, 58.
-
-
- G
- Goodyear Aircraft Corporation, 62, 63.
- Greene, Col. E. H. R., dock at New Bedford, 60.
- Grosse Ile, hangar, 50.
- Grumman, planes, 63.
-
-
- H
- Hawker (and Greene) Atlantic Crossing, 16.
- Helium, characteristics, 24, 33;
- discovery of, 34.
- Hockensmith, pilot, 50.
- Hydrogen, first use in balloon, 22;
- characteristics, 24, 33.
-
-
- I
- Iron Horse, 37, 40.
-
-
- J
- Jutland, battle, 10.
-
-
- K
- Kenworthy, Commander J. L., 17.
-
-
- L
- Lange, Karl, pilot, 51, 52, 57, 58, 66.
- Lawrence, Lt. John, pilot, 15.
- Lindbergh, flight, effect of, 31.
- Litchfield, P. W., first air meet, 27;
- starts blimp fleet, 30;
- mast experiments, 38.
- Little, Lt., pilot, 15.
- Los Angeles, airship, illust. opp. 23;
- why built, 29;
- mast studies, 36, 44.
-
-
- M
- Macon, USS, size, 25.
- Martin, planes, 63.
- Mast, mooring, 36 et seq.;
- illust. opp. 38.
- Mills, Commander, G. H., 8, 17.
- Minnesota, damaged by mine, 2.
- Moffett, Admiral, W. A., photograph opp. iii;
- report on value of airships, 12, 37.
- Montgolfiers, first balloon flight, 21.
- Morton, Walter, pilot, 45.
-
-
- N
- NC-4, Atlantic flight, 16;
- illust. opp. 22.
- Norge, airship, 25.
-
-
- P
- Parsevals, airships, 25.
- Peck, Commander S. E., C-5 flight, 15.
- Pilgrim, airship, 26, 31, 33, 66;
- launching, 66.
- Pony Blimp, airship, 47, 50.
- Preston, R. A. D., pilot, 13, 15.
-
-
- R
- R-34, Atlantic Crossing, 15, 16;
- size, 25.
- Radio, first use of, 55.
- Reichelderfer, Commander F. W., chief U. S. Weather Bureau, 62.
- Rieker, John, pilot, 58, 65.
- Roma, Italian-built airship, 35.
- Rosendahl, Captain, C. E., photograph opp. vi, 17, 37.
- Rounds, Lt. C. S., ballast pick-up, 40, 66.
- RS-1, army airship, 25, 30.
- Rubber, use of synthetics, 35.
-
-
- S
- San Diego, USS, sunk by mine, 2.
- Santos Dumont, illust. opp. 22;
- first flights, 27.
- Settle, Commander T. G. W., photograph opp. vi, 38.
- Sewell, A. T., pilot, 56, 57, 58, 65.
- Shenandoah, USS, 29.
- Sheppard, S. H., pilot, 54, 57.
- Smith, Alfred E., 36, 48.
- Smith, Verne, pilot, 57, 58.
-
-
- T
- TC-14, airship, 17, 19.
- Trotter, F. A., pilot, bullet holes in ship, 53, 58, 66.
-
-
- U
- Upson, R. H., pilot, 13.
-
-
- V
- Van Orman, W. T., balloon pilot, 46.
- Volunteer, airship, 39;
- cross country trip, 55;
- masting out, 39.
-
-
- W
- Westover, General, 30.
- Wilson, R. D., pilot, Everglades rescue, 48, 57.
- Wright brothers, first flight, 21.
-
-
-
-
- Footnotes
-
-
-[1]See U.S. Navy Publication, "German Submarine Activities on the
- Atlantic Coast of the United States and Canada," 1920, also the
- book, "German Subs in Yankee Waters"--Henry J. James, 1940.
-
-
-
-
- Transcriber's Notes
-
-
---Copyright notice provided as in the original--this e-text is public
- domain in the country of publication.
-
---Silently corrected palpable typos; left non-standard spellings and
- dialect unchanged.
-
---In the text versions, delimited italics text in _underscores_ (the
- HTML version reproduces the font form of the printed book.)
-
-
-
-
-
-
-
-End of Project Gutenberg's The Story of the Airship (Non-rigid), by Hugh Allen
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