|National origin||United States|
|Primary user||U.S. Army Air Force|
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.
Design and development
The XR-11 was a powered by a 100 hp (75 kW) Continental A100 piston engine driving two three-bladed contra-rotating rotors. Only one was built and first flown in 1947, it was re-designated the XH-11 in 1948, the project was later cancelled.
- United States Air Force designation later changed to XH-11, one built.
- 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)
- Andrade 1979, p. 162
- "American airplanes - Ro - Ry". www.aerofiles.com. 25 February 2009. Retrieved 2010-02-18.
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