trailing-edge flap

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• Flap — may refer to:* Flap (aircraft), a hinged surface on the trailing edge of an airplane wing * Flapping, one of the basic mechanics of flight in birds * Flap, any hinged plate often used as a cover or a simple one way valve ** Cat flap, a hinged… …   Wikipedia

• flap — [flap] n. [ME flappe < the v.] 1. anything flat and broad that is attached at one end and hangs loose or covers an opening [the flap of a pocket] 2. the motion or slapping sound of a swinging flap [the flap of an awning] 3. Archaic a blow with …   English World dictionary

• Flap (aircraft) — Flaps are hinged surfaces on the trailing edge of the wings of a fixed wing aircraft. As flaps are extended, the stalling speed of the aircraft is reduced. Flaps are also used on the leading edge of the wings of some high speed jet aircraft,… …   Wikipedia

• flap — i. Auxiliary controls built into the wings and used to increase the camber. Flaps may be on the leading or the trailing edges. Trailing edge flaps reduce the stalling angle, whereas leading edge flaps increase the stalling angle when referred to… …   Aviation dictionary

• flap — I. noun Etymology: Middle English flappe Date: 14th century 1. a stroke with something broad ; slap 2. obsolete something broad and flat used for striking 3. something that is broad, limber, or flat and usually thin and that hangs loose or… …   New Collegiate Dictionary

• fowler flap — “ noun Usage: usually capitalized 1st F Etymology: after Harlan D. Fowler, 20th century American aeronautical designer : an extensible trailing edge flap that in the deflected position exposes a slot in the airplane wing * * * Aeron. a flap… …   Useful english dictionary

• fowler flap — A type of trailing edge flap that moves out of the wings on tracks. These flaps increase the wing area, the chord, and the camber and help in boundary layer control. They provide maximum additional lift. Fowler flaps are commonly used but have a… …   Aviation dictionary

• Gurney flap — The Gurney Flap (or wickerbill) is a small flat tab projecting from the trailing edge of a wing. Typically it is set at a right angle to the pressure side surface of the airfoil,cite journal author = Van Dam, C.P. coauthors = Yen, D.T.; Vijgen, P …   Wikipedia

• split flap — noun : a hinged flap attached to the upper surface of a wing of an airplane usually at the trailing edge to be raised for lateral control or to the lower surface of a wing to be deflected downward for giving increased lift and drag * * * Aeron. 1 …   Useful english dictionary

• landing flap — noun a flap on the underside of the wing that is lowered to slow the plane for landing • Hypernyms: ↑flap, ↑flaps * * * noun : a flap that is mounted on the undersurface near the trailing edge of an airplane wing and that when lowered increases… …   Useful english dictionary

• split flap — Aeron. 1. a flap that is located on the under surface of the trailing edge of an aircraft wing and that splits away from the wing structure when rotated downward, producing an increase in lift or drag or both. Cf. landing flap. 2. a flap that is… …   Universalium