| 单词 | wing-flap |
| 释义 | > as lemmaswing-flap e. Aeronautics. (Also wing-flap) = aileron n. (The word has been applied to various kinds of hinged or sliding sections at the leading or trailing edge of the wing or tail of an aircraft, the primary function of which is to modify the lift.) ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > [noun] > movable control surface > aileron or elevon wing-flap1906 aileron1908 tip1913 split flap1929 elevon1945 1906 Sci. Amer. 18 Aug. 116/3 One part of the wing..is formed of a series of longitudinal flaps, fixed at the edges to a wire gauze network, so that the flap is made to close when the wing is brought down, but keeps open when the wing is raised. 1909 Flight 27 Nov. 755/2 Small triangular planes are fitted above the extremities of the wings... The rudder is put over for steering to the right and simultaneously the flap above the extremity of the right-hand wing-tip is raised. 1911 Reports & Mem. (Adv. Comm. Aeronaut.) Nov. 100 It would be useful to know..whether the wing flaps should be additional to the width of the wing,..or whether the extra efficiency of warping indicates the abandonment of flaps altogether. 1921 Aeronaut. Jrnl. June 274 Flap Experiments with Slotted Aerofoil. An increase in the lift coefficient can be obtained by the use of a plane with flaps and altering the angle of incidence of these flaps. 1930 Engineering 14 Feb. 189/2 The vertical top and bottom flaps, which form the rudders, and the horizontal port and starboard flaps, which form the elevators, have each a span of about 44 ft. 1941 A. O. Pollard Bombers over Reich xi. 154 With flaps out of action. 1971 Air Enthusiast June 22/1 Possibilities of modifying the wing leading edge profile or using a leading-edge flap were eventually discarded. wing-flap wing-flap n. see flap n. 5e. < as lemmas |
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