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Jane's Encyclopedia of Aviation
Cierva W.9 (UK)
Two-seat experimental helicopter first flown in 1947. Special design features included jet thrust used for torque compensation instead of a conventional tail rotor.
- Jane's Encyclopedia of Aviation
Фотографии
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Air Pictorial 1995-04
Регистрационный номер: PX203 [9] The Cierva W.9 as tested by Alan Marsh, who was CO of No 529 Sqn, RAF, flying Cierva C.30As and Avro Rotas at Henley-on-Thames until its disbandment in October 1945.
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Air-Britain Aeromilitaria 2005-04 / Feedback
Регистрационный номер: PX203 [9] The Cierva W.9 at Thames Ditton in 1944. The members of the development and construction team posing in front of the protoype are not identified, but presumably include C G Pullin, J S Shapiro, Ken Watson and perhaps Ray Pullin.
The completed W.9 is outside the factory at Thames Ditton with what was most of the factory staff. The obscure location in a leafy suburb of Kingston-on-Thames does not seem to have been home to a large facility. We have never understood the reason it was built there instead of in a shed at Hanworth. -
Air-Britain Aeromilitaria 2005-04 / Feedback
Регистрационный номер: PX203 [9] From Peter Green come some photographs of the Cierva W.9 under construction. At this time the original shape of the rear fuselage was upswept with the nozzle at the top of the tail.
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Air-Britain Aeromilitaria 2005-03 / Out of the Archives
Регистрационный номер: PX203 [9] W.9B PX203 in 1947 with a vertical fin. Although the original plan showed the efflux at the top of the fin, it remained in the tail section.
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Air-Britain Aeromilitaria 2005-03 / Out of the Archives
Регистрационный номер: PX203 [9] The original W.9/W.9A had no vertical fin and the blower exited from the tail cone.
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Jane's All the World Aircraft 1947 / All the world's aeroplanes
Регистрационный номер: PX203 [9] The Cierva W.9 Experimental Helicopter (200 h.p. D.H. Gipsy-Six Series III engine).
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Jane's All the World Aircraft 1980 / Encyclopedia of Aviation - Aircraft A-Z - v2
Регистрационный номер: PX203 [9] Cierva W.9.
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Aeroplane Monthly 1990-06 / J.Yoxall - H.A.Marsh /They who dared first/ (2)
Регистрационный номер: PX203 [9] Using jet thrust to compensate for torque, W-9 PX203 originally flew without a tail fin. Marsh crashed the W-9 while trying to fly it from the starboard seat but the helicopter had proved that the jet thrust anti-torque system was not as effective as a tail rotor.
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Aeroplane Monthly 1990-06 / J.Yoxall - H.A.Marsh /They who dared first/ (2)
Регистрационный номер: PX203 [9] Alan Marsh, photographed with the Weir W-9 in 1947.
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- Фотографии