The Rotorcraft XR-11, known by the company as the X-2 Dragonfly, was an American two-seat lightweight helicopter built in the 1940s for evaluation by the United States Air Force by the Rotorcraft Corporation of Glendale, California.[1][2]
| XR-11/XH-11 | |
|---|---|
| |
| Role | Twin-rotor helicopter |
| National origin | United States |
| Manufacturer | Rotorcraft Corporation |
| Designer | Gilbert Magill |
| First flight | 1947 |
| Status | Cancelled |
| Primary user | U.S. Army Air Force |
| Number built | 1 |
Design and development
editThe XR-11 was a powered by a 100 hp (75 kW) Continental A100 piston engine driving two three-bladed contra-rotating rotors.[1] Only one was built and first flown in 1947, it was re-designated the XH-11 in 1948, the project was later cancelled.[1][2]
Variants
edit- XR-11
- United States Air Force designation later changed to XH-11, one built.[1]
Operators
edit
Specifications
editGeneral characteristics
- Crew: 2
- Length: 15 ft 0 in (4.57 m)
- Height: 7 ft 6 in (2.29 m)
- Empty weight: 899 lb (408 kg)
- Max takeoff weight: 1,349 lb (612 kg)
- Powerplant: 1 × Continental A100 , 100 hp (75 kW)
- Main rotor diameter: 2 × 18 ft 0 in (5.49 m)
See also
editRelated lists
References
editNotes
editBibliography
edit
Wikimedia Commons has media related to Rotorcraft XR-11.
- Andrade, John (1979). U.S.Military Aircraft Designations and Serials since 1909. Midland Counties Publications. ISBN 0-904597-22-9.