Bell XV-3 | |
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Country | USA |
Type | Experimental VTOL aircraft |
First flight | 1955 |
Built | 2 |
Fotogalleri af en Bell XV-3, The Klokke XV-3 (Bell 200) var et tiltrotorfly udviklet af Bell Helicopter til et fælles forskningsprogram mellem United States Air Force og United States Army for at udforske convertiplane-teknologier. XV-3 havde en motor monteret i skroget med drivaksler, der overførte kraft til tobladede rotorsamlinger monteret på vingespidserne. Vingespidsrotorsamlingerne blev monteret til at vippe 90 grader fra lodret til vandret, hvilket var designet til at gøre det muligt for XV-3 at starte og lande som en helikopter, men flyve med hurtigere lufthastigheder, svarende til et konventionelt fastvinget fly.
Kilde: Klokke XV-3
Klokke XV-3 | |
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Fotografer | Unknow |
Lokalisering | Unknow |
Billeder | 45 |
Bell Helikopter Textron XV-3 Gå rundt | |
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Fotografer | Vladimir Yakubov |
Lokalisering | National Air & Space Museum, Washington DC |
Billeder | 69 |
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The Bell XV-3 was a pioneering aircraft that demonstrated the feasibility of the tiltrotor concept, which combines the vertical take-off and landing capabilities of a helicopter with the speed and range of a fixed-wing plane. The Bell XV-3 was developed by Bell Helicopter under a joint research program between the United States Air Force and the United States Army in order to explore convertiplane technologies.
The Bell XV-3 had a single engine mounted in the fuselage that powered two wingtip rotors that could tilt 90 degrees from vertical to horizontal. The Bell XV-3 first flew on August 11, 1955, and performed 110 transitions from helicopter to airplane mode between December 1958 and July 1962. The Bell XV-3 program ended when the aircraft was severely damaged in a wind tunnel accident on May 20, 1966. The data and experience from the Bell XV-3 program were instrumental in the development of the Bell XV-15 and the V-22 Osprey, which are operational tiltrotor aircraft today.
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