| 单词 | fixed-pitch propeller |
| 释义 | > as lemmasfixed-pitch propeller fixed-pitch propeller n. (also fixed-pitch airscrew) Aeronautics a propeller with blades whose pitch cannot be varied. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > parts of aircraft > means of propulsion > [noun] > aircraft engine > propeller > types of propeller tractor1903 contrapropeller1927 controllable-pitch1929 fixed-pitch propeller1931 contraprop1940 propfan1970 propulsor1975 1931 R.A.F. Quart. July 397 Various types of fixed pitch airscrew were tried. 1934 Flight 8 Feb. 124/2 As a fixed-pitch airscrew does not possess satisfactory characteristics for both take off and speed in high-speed aircraft, a variable-pitch airscrew is usually fitted to the latest Northrop models. 1968 R. Miller & D. Sawers Technical Devel. Mod. Aviation iii. 68 The performance suffered from the use of fixed-pitch propellers, so the Hamilton-Standard variable pitch propeller..was quickly adopted. < as lemmas |
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