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B-class blimp
The B class blimps were patrol airships operated by the United States Navy during and shortly after World War I. The Navy had learned a great deal from the DN-1 fiasco. The result was the very successful B-type airships. Dr. Jerome Hunsaker was asked to develop a theory of airship design, Lt. John H. Towers had returned from Europe having inspected British designs, and using reports from attachés on British airship operations, the Navy was prepared to seek bids for blimps from American manufacturers.〔Althoff, Wlliam F, ''SkyShips'', New York: Orion Books, 1990, ISBN 0-517-56904-3, pgs. 4-5.〕 On 4 February 1917 the Secretary of the Navy directed that 16 nonrigid airships of Class B be procured.〔http://www.history.navy.mil/avh-1910/PART02.PDF〕 A February 12, 1917 meeting with the Chief of the Bureau of Construction and Repair, and representatives of Goodyear, Goodrich,
Connecticut Aircraft Company, Curtiss Aeroplane and Motor Corporation, and U.S. Rubber Company, it was agreed that the order for 16 dirigibles was beyond the capability of any one company. The conference resulted in a committee to coordinate on sharing raw materials, information and experience.〔Grossnik, Roy A. 1986 ''Kite Balloons to Airships . . . the Navy's Lighter-than-Air Experience'', Washington D.C.: Deputy Chief of Naval Operations (Air Warfare) and the Commander, Naval Air Systems Command, pgs. 6-7.〕 Ultimately Goodyear built 9 envelopes, Goodrich built 5 and Curtiss built the gondolas for all of those 14 ships. Connecticut Aircraft contracted with U.S. Rubber for its two envelopes and with Pigeon Fraser for its gondolas. The Curtiss-built gondolas used by Goodyear and Goodrich were modified JN-4 fuselages powered by Curtiss OXX engines. The Connecticut Aircraft blimps were powered by Hall-Scott engines. One ship, B-20 was equipped with a special control car.〔Shock, James R., U.S. Navy Airships 1915-1962, 2001, Atlantis Productions, Edgewater Florida, ISBN 0-9639743-8-6, page 17〕 All B-Class airships were delivered to the Navy between August 1917 (B-1) and September 1918 (B-20).〔Shock, James R., U.S. Navy Airships 1915-1962, 2001, Atlantis Productions, Edgewater Florida, ISBN 0-9639743-8-6, pages 15-19〕
==First Flight==
The first flight of a B class blimp was made by the engineers who built it, Ralph Upson and Lt Preston, on May 24, 1917 at the White City Amusement Park, Chicago, Illinois, site where the B-1 had been assembled. Two more flights were made May 29, 1917.〔Shock, James R., U.S. Navy Airships 1915-1962, 2001, Atlantis Productions, Edgewater Florida, ISBN 0-9639743-8-6, page 15〕 Leaving at midnight May 29, 1917 on B-1s fourth flight, Upson decided that since the B-1 was performing well he would rather not land at the small White City facility. Instead they would fly directly to the incomplete hangar at Wingfootlake.〔Clark, Basil, ''The History of Airships'', New York: St Martin's Press, 1961, Library of Congress 64-12336, p. 147.〕 The B-1 was forced to land at Medina, Ohio due to an oil failure. Even with the forced landing the B-1 set a new record for distance flown.〔 Both Goodyear and Goodrich used the White City Hangar to erect B-type airships.〔Shock, James R., American Airship Bases and Facilities, 1996, Atlantis Productions, Edgewater Florida, ISBN 9780964948037, page 106〕 When the hangar at Wingfoot Lake near Akron Ohio became available in June 1917 Goodyear moved it's activities there.〔Shock, James R., American Airship Bases and Facilities, 1996, Atlantis Productions, Edgewater Florida, ISBN 9780964948037, page 107〕
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