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| Category: Hélicoptères | Page: 1 of 1 | ||||||||||||||||||||
| Number of Subcategories: 3 | |||||||||||||||||||||
Subcategories:
 Bell Aircraft Corporation |
Files: 1 | |
| The Bell Aircraft Corporation was an aircraft manufacturer of the United States, a builder of several types of fighter aircraft for World War II but most famous for the Bell X-1, the first supersonic aircraft, and for the development and production of many important civilian and military helicopters. Bell also developed the Reaction Control System for the Mercury Spacecraft and the Bell Rocket Belt. The company was purchased in 1960 by Textron, and lives on today as Bell Helicopter. | ||
 Sikorsky |
Files: 2 | |
| Sikorsky is a U.S. manufacturer of aircraft and helicopters. The company was founded in 1923 by the American aeronautical engineer Igor Sikorsky Ukrainian origin, who designed the first helicopter stable one more main rotor anti-torque rotor to be produced on a large scale in 1942 | ||
 Piasecki Helicopter Corporation PHC |
Files: 1 | |
| The Piasecki Helicopter Corporation (later Vertol Aircraft Corporation) was a designer and manufacturer of helicopters located in Philadelphia, Pennsylvania in the late 1940s, and throughout the 1950s. The Piasecki Helicopter Corporation was founded in 1940 by Frank Piasecki as the P-V Engineering Forum, first becoming known as Piasecki Helicopter in 1946. The PV-2 was the second helicopter flown in the United States (following Igor Sikorsky's VS-300), and was designed and flown by Frank Piasecki in 1943. Piasecki designed and successfully sold to the US Navy a series of tandem rotor helicopters, starting with the HRP-1 of 1944. The HRP-1 was nicknamed the "flying banana" because of the upward angle of the aft fuselage that ensured the large rotors did not hit each other in flight, and because the Coast Guard painted the aircraft yellow. The name would later be applied to other Piasecki helicopters of similar design. In 1949, Piasecki provided the H-21 Workhorse to the USAF, which was an improved, all-metal derivative of the HRP-1. Piasecki's tandem-rotor helicopters flew higher than competing single rotor designs, and offered a smoother ride. In 1955 Piasecki left Piasecki Helicopter to form another company. In March 1956, Piasecki Helicopter changed its name to Vertol (from vertical takeoff and landing). It was acquired by Boeing in 1960 and renamed Boeing Vertol. It became the Boeing Helicopter Division in 1987. In June 1955, Frank Piasecki reformed his company as Piasecki Aircraft Corporation (PiAC) to pursue the development of compound helicopters and other rotorcraft. |
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| Number of files 262, number of categories 54, total number of downloads 1363279 |
