Bell XV-3 | |
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Country | USA |
Type | Experimental VTOL aircraft |
First flight | 1955 |
Built | 2 |
Fotogalleri av en Bell XV-3, Klocka XV-3 (Bell 200) var ett tiltrotorflygplan utvecklat av Bell Helicopter för ett gemensamt forskningsprogram mellan USA: s flygvapen och USA: s armé för att utforska convertiplane -teknik. XV-3 innehöll en motor monterad i flygkroppen med drivaxlar som överförde kraft till tvåbladiga rotoraggregat monterade på vingspetsarna. Wingtip-rotoraggregaten monterades för att luta 90 grader från vertikal till horisontell, vilket var utformat för att låta XV-3 starta och landa som en helikopter men flyga med snabbare flyghastigheter, liknande ett konventionellt flygplan med fasta vingar.
Källkod: Klocka XV-3
Klocka XV-3 | |
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Fotografer | Unknow |
Lokalisering | Unknow |
Bilder | 45 |
Bell Helikopter Textron XV-3 Gå runt | |
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Fotografer | Vladimir Yakubov |
Lokalisering | Nationella luft- och rymdmuseet, Washington DC |
Bilder | 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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