Rotorcraft XR-11

XR-11/XH-11
General information
Type	Twin-rotor helicopter
National origin	United States
Manufacturer	Rotorcraft Corporation
Designer	Gilbert Magill
Status	Cancelled
Primary user	U.S. Army Air Force
Number built	1
History
First flight	1947

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]}

Variants

XR-11

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

Operators

  United States

• United States Air Force

Specifications

General 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

Related lists

• List of military aircraft of the United States
• List of rotorcraft
• Tandem rotors

References

Notes

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

Bibliography

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