单词 | sink rate |
释义 | > as lemmassink rate sink rate n. Aeronautics the speed with which a body loses altitude; esp. the rate at which a glider loses altitude during flight; cf. sinking speed n. at sinking n. Compounds 2. ΘΚΠ society > travel > air or space travel > specific movements or positions of aircraft > aerodynamic forces and concepts > [noun] > sink rate sink1943 sink rate1955 1955 Aircraft (Royal Aeronaut. Soc. Austral. Div.) 34 46/2 If a sailplane which with 3 FPS sink rate averages 5 FPS in thermals..should meet downdrafts exceeding the normal rate of sink of the sailplane + one FPS, wave action should be suspected. 1966 National Observer (U.S.) 21 Feb. 9/3 Attention so far has focused on the 727's ‘sink rate’, or rate of descent as it comes down from its 25,000-foot cruising altitude on an approach to landing. 1978 A. Welch Bk. of Airsports vi. 92/2 Most Para-Commander 'chutes..have a sink rate of about 13 feet per second. 2014 Sunday Tel. (Nexis) 3 Aug. (Seven Mag.) I looked over to see the incredibly high sink rate, 1,800ft per minute toward the ground. < as lemmas |
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