VZ-3 Vertiplane
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| VZ-3 Vertiplane | |
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| Type | Experimental VTOL aircraft |
| Manufacturer | Ryan |
| Primary users | United States Army NASA |
| Number built | 1 |
The Ryan VZ-3 Vertiplane was an American experimental vertical/short take-off aircraft built by the Ryan Aeronautical Company for the United States Army.
[edit] Design and development
The VZ-3 or Ryan Model 72 was a simple proof-of-concept experimental aircraft using blown flaps to achieve a short or near vertical take-off. It was a high-wing monoplane powered a Avco Lycoming T53 turboshaft engine located inside the fuselage driving two large-diameter propellers mounted, one on each wing. It had a T-tail and originally a tailwheel fixed landing gear. It had wide-span double retractable trailing-edge flaps, these were extended into the propeller slipstream for takeoff. To enable control while in the hover it had a universally-jointed jet-deflection nozzle at the rear of the aircraft. It was later modified with a nose-wheel landing gear.
The VZ-3 could make a near-vertical takeoff within 30 ft (9m) at a speed of 25mph (40 km/h) and the aircraft could be put into the hover up to a height of 3,700 ft (1,100 m).
[edit] Operational history
The aircraft conducted a 21-flight test program for the United States Army until it crashed in 1959. It was rebuilt with an open cockpit lengthened fuselage and handed over to NASA for further trials. After retirement it was presented to the Army Aviation Museum.
[edit] Operator
[edit] Specifications
General characteristics
- Crew: One
- Powerplant: 1 × Avco Lycoming T53-L-1 turboshaft, 1000 hp (746 kW)
Performance
[edit] See also
[edit] References
- Andrade, John M. U.S. Military Aircraft Designations and Serials since 1909. Earl Shilton, Leicester: Midland Counties Publications, 1979. ISBN 0-904597-22-9. (p. 178)
- The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). London: Orbis Publishing, 1985, p. 2837.
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