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

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]

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.[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]


United States Air Force designation later changed to XH-11, one built.[1]


 United States


General characteristics

See also

Related lists



  1. ^ a b c d Andrade 1979, p. 162
  2. ^ a b "American airplanes - Ro - Ry". www.aerofiles.com. 25 February 2009. Retrieved 2010-02-18.


  • Andrade, John (1979). U.S.Military Aircraft Designations and Serials since 1909. Midland Counties Publications. ISBN 0-904597-22-9.