| 单词 | rotor head |
| 释义 | > as lemmasrotor head rotor head n. the central structure from which rotor blades radiate and to which they are attached; esp. one on a helicopter.In quot. 1906: each of numerous protruding teeth fixed to a rotor. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > rotary wing aircraft > [noun] > parts of rotary wing aircraft > rotor > parts of rotor rotor head1906 rotor hub1910 rotor blade1915 rotor disc1931 blade1958 1906 U.S. Patent 813,854 1/2 One of the abutments and a registering rotor-head [of a rotary engine]. 1931 J. de la Cierva Wings of Tomorrow vi. 93 I propose to overcome the inequality of lift by building into the rotor head a device for changing the angle of incidence of the blades as they made their circle. 1981 Pop. Sci. Jan. 84/1 For really big wind turbines it cuts costs... Rotor-head construction is greatly simplified. 2005 Pilot Oct. 48/1 Its articulated rotor head functions like those on more advanced helicopters. < as lemmas |
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