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The K-class blimp was a class of blimps (non-rigid airship) built by the Goodyear Aircraft Company of Akron, Ohio, for the United States Navy.These blimps were powered by two Pratt & Whitney Wasp nine-cylinder radial air-cooled engines, each mounted on twin-strut outriggers, one per side of the control car that hung under the envelope.
The Spirit of Goodyear, one of the iconic Goodyear Blimps. This is a list of airships with a current unexpired Federal Aviation Administration (FAA) [1] registration.. In 2021, Reader's Digest said that "consensus is that there are about 25 blimps still in existence and only about half of them are still in use for advertising purposes". [2]
The company commissioned Karl Arnstein of Akron, Ohio, whose design was inspired by the blueprints of the first aerodynamic-shaped airship hangar, built in 1913 in Dresden, Germany. [ 6 ] Construction took place from April 20 to November 25, 1929, at a cost of $2.2 million (equivalent to $30.74 million in 2023 [ 7 ] ).
The endurance time of the airship could extend for days. This model of the N-class blimp was the largest non-rigid airship ever flown. The ZPG-3W Vigilance was the last of the airships built for the U.S. Navy. The July 6, 1960, crash of a Lakehurst-based airship east of Long Beach Island killed 18 sailors, a loss that added pressure on the program.
Columbia, tail number N10A, was buzzed repeatedly by a radio-controlled model airplane when the blimp flew over a field used for R/C model flying on September 3, 1990; the R/C pilot then intentionally rammed his model airplane into the blimp, tearing a three-foot hole through the envelope. [38] The blimp made a "hard landing" at a nearby airport.
The fabric-clad rigid airships were given commissions, the same as warships. [1]USS Shenandoah (ZR-1) - served 1923-25, lost 3 September 1925 due to structural failure while in line squalls, 14 killed
The Goodyear Aircraft Company of Akron, Ohio built the M-class blimp for the US Navy as the follow-on to the K-class anti-submarine warfare blimp used during World War II. It was a significantly larger airship, 50% larger than its predecessor. Four airships, designated M-1 through M-4, were delivered in early 1944.
A non-rigid airship, commonly called a blimp , is an airship (dirigible) [1] without an internal structural framework or a keel. Unlike semi-rigid and rigid airships (e.g. Zeppelins ), blimps rely on the pressure of their lifting gas (usually helium , rather than flammable hydrogen ) and the strength of the envelope to maintain their shape.