Rotorcraft XR-11

From Infogalactic: the planetary knowledge core
Jump to: navigation, search
XR-11/XH-11
Rotorcraft XR-11.jpg
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]

Variants

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

Operators

 United States

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

References

Notes

  1. 1.0 1.1 1.2 1.3 Andrade 1979, p. 162
  2. 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.

Bibliography

  • Lua error in package.lua at line 80: module 'strict' not found.