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

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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.

Variants

;XR-11 :United States Air Force designation later changed to XH-11, one built.

Operators

; *

United States Air Force The United States Air Force (USAF) is the Air force, air service branch of the United States Department of Defense. It is one of the six United States Armed Forces and one of the eight uniformed services of the United States. Tracing its ori ...

Specifications

References

Notes

Bibliography

* {{USAF helicopters 1940s United States military utility aircraft 1940s United States helicopters Aircraft first flown in 1947 Single-engined piston helicopters Tandem rotor helicopters XR-11 Aircraft with fixed quad landing gear