| 单词 | coning angle |
| 释义 | > as lemmasconing angle 2. Aeronautics. The action of the rotor blades of a helicopter slanting upwards when in motion so as to produce a cone-shaped pattern of rotation; hence coning angle: the angle at which the rotor blades rise in coning. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > rotary wing aircraft > [noun] > parts of rotary wing aircraft > rotor > operation or condition of rotor autorotation1908 coning1931 flapping1937 windmill brake state1948 feathering1970 1931 J. de la Cierva Wings of Tomorrow vii. 102 I supposed that it was preferable to keep the blades from coning, so that they would remain in a horizontal position while in flight. 1944 H. F. Gregory Anything Horse can Do 148 The angle the blade [of the rotor] makes with the horizontal is known as the coning angle. 1955 R. N. Liptrot & J. D. Woods Rotorcraft v. 49 The physical effect of coning is to move all elements of the blade nearer to the axis of rotation. < as lemmas |
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