单词 | jetavator |
释义 | jetavatorn. Astronautics. A control surface which can be moved into the exhaust gases of a rocket in order to change the direction of thrust. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > spacecraft > rocket > [noun] > types of rocket engine > deflector jetavator1960 1960 Aeroplane 98 176/2 The missile is powered by a solid-propellent Aerojet rocket motor fitted with ‘jetavator’ deflectors of the kind developed for Polaris. 1961 Flight 79 13/2 The use of swivelling nozzles is claimed to be lighter than the Polaris system of fixed nozzles plus jetevators. 1990 F. H. Winter Rockets into Space v. 95 The Algol was steered by a jetavator—a movable vane that deflected the exhaust gases. 2006 Slate Mag. (Nexis) 4 Oct. There are eight points of control for the flier to master... He does so using both a control bar and jetavators. This entry has been updated (OED Third Edition, June 2011; most recently modified version published online March 2022). < n.1960 |
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