gyrodyne

(redirected from Gyrodynes and Heliplanes)
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Related to Gyrodynes and Heliplanes: convertiplane, Compound helicopter

gyrodyne

gyrodyne
A rotorcraft whose rotors are normally engine-driven for takeoff, hovering, landing, and forward flight through part of its speed range. Its means of propulsion, consisting usually of conventional propellers, is independent of the rotor system.