单词 | reversible-pitch |
释义 | > as lemmasreversible-pitch reversible-pitch adj. designating a reversible propeller in which the pitch of the blades can be reversed while the direction of rotation remains unchanged. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > means of propulsion > [adjective] > types of propeller feathering1909 reversible-pitch1919 adjustable pitch1934 coaxial1934 1919 Bull. Airplane Engin. Dept. U.S.A. 2 124/1 The design..of a reversible pitch propeller hub is proceeding rapidly. 1951 P. Du Cane High-speed Small Craft xi. 131 Variable (controllable) reversible-pitch propellers have so far been fitted in relatively few experimental craft built in Great Britain. 2000 Virginian-Pilot (Norfolk, Va.) (Nexis) 13 Sept. a1 The ship's controllable reversible pitch propellers and twin rudders were damaged. < as lemmas |
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