A tiltwing aircraft features a wing that is horizontal for conventional forward flight and rotates up for vertical takeoff and landing. It is similar to the tiltrotor design where only the propeller and engine rotate. Tiltwing aircraft are typically fully capable of VTOL operations.
The tiltwing design offers certain advantages in vertical flight relative to a tiltrotor. Because the slipstream from the rotor strikes the wing on its smallest dimension, the tiltwing is able to apply more of its engine power to lifting the aircraft. For comparison, the V-22 Osprey tiltrotor loses about 10% of its thrust to interference from the wings. However, the fixed wing of a tiltrotor aircraft offers a superior angle of attack — thus more lift and a shorter takeoff roll — when performing STOL/STOVL operations. The main drawback of the tiltwing is control during hover. The wing tilted vertically represents a large surface area for crosswinds to push.
List of Tiltwing aircraft
Tiltwing designs with rocket, jet, or propeller propulsion
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