单词 | course-setting bomb sight |
释义 | > as lemmascourse-setting bomb sight course-setting sight n. Aeronautics (now historical) a sighting device which can be used to set an aircraft's course; esp. (more fully course-setting bomb sight) a kind of bomb sight; cf. sight n.1 14b. ΘΚΠ society > travel > air or space travel > action of flying (in) aircraft > navigation of course of aircraft > [noun] > by observation of stars > sight or fix course-setting sight1922 astro-fix1941 astro sight1943 astro shot1946 1918 HS-1L Flying Boat Handbk. (U.S. Navy Dept.) 12 (table) 1 Wimperis course-setting bomb sight. 1920 H. E. Wimperis Primer Air Navigation iii. 41 The drift indicator used will depend on the machine, the choice lying between:—1. The ‘aero bearing plate’ (for vertical observations). 2. The ‘wind gauge bearing plate’ (for tail observations). 3. The ‘course setting sight’ (for forward observations). 1940 Illustr. London News 197 219/2 The latest type bomb-sights in use in the R.A.F. may not be described, but the type illustrated gives a good idea of how a course-setting sight is operated. 2006 J. J. Abbatiello Anti-submarine Warfare World War I i. 32 Trials in..Handley Page night bombers demonstrated that the Course Setting sight was ‘extremely simple to operate’, but required close cooperation between the observer, who worked the sight, and the pilot, who steered the aircraft by his partner's commands. < as lemmas |
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