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Airplanes & equipment
Industry: Aviation
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Airplanes & equipment
rotorcraft
Aviation; Airplanes & equipment
A heavier-than-air aircraft that depends principally for its support in flight on the lift generated by one or more rotors. Includes helicopters and gyroplanes.
rudder
Aviation; Airplanes & equipment
The movable part of a vertical airfoil which controls the YAW of an aircraft; the fixed part being the FIN.
sailplane
Aviation; Airplanes & equipment
An unpowered, soaring aircraft capable of maintaining level flight for long periods of time after release from tow and of gaining altitude using wind currents, as opposed to a GLIDER.
scramjet
Aviation; Airplanes & equipment
Acronym for supersonic combustion ramjet, in which combustion occurs at supersonic air velocities through the engine.
seaplane
Aviation; Airplanes & equipment
A water-based aircraft with a boat-hull fuselage, often amphibious.The term is also used generically to define a similar Flying Boat and a pontoon FLOATPLANE.
secondary stall
Aviation; Airplanes & equipment
Any stall resulting from pulling back too soon and too hard while recovering from any other stall. Usually a HIGH-SPEED or ACCELERATED STALL.