| 单词 | tilt rotor | 
| 释义 | > as lemmastilt rotor   tilt rotor  n. Aeronautics = tilting rotor at tilting adj. Additions b; hence, an aircraft fitted with these; frequently attributive. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > rotary wing aircraft > 			[noun]		 rotorcraft1929 tilt rotor1961 society > travel > air or space travel > a means of conveyance through the air > rotary wing aircraft > 			[adjective]		 rotary-wing1908 tilt rotor1961 society > travel > air or space travel > a means of conveyance through the air > rotary wing aircraft > 			[noun]		 > parts of rotary wing aircraft > rotor ascensional screw1901 lifting screw1902 rotor1915 windmill1931 tilting rotor1940 tilt rotor1961 1961    P. W. Brooks Mod. Airliner vi. 153  				Various categories of V.T.O.L. aircraft..Tilt-rotor convertiplane (1954). Transcendental Model 1- g, Bell  xv-3. 1963    Jrnl. Royal Aeronaut. Soc. 67 363/1  				The unloaded rotor, the tilt rotor, various ducted fans, fans in wings, and so forth, were eliminated and the final selection was the tilt-wing. 1976    J. Fay Helicopter 		(ed. 3)	 ix. 147  				In the tilt-rotor machine the rotors are mounted at the tips of relatively small wings. 1987    New Scientist 1 Oct. 38/1  				The designers of the new hybrid call their aircraft a tiltrotor. It takes off as a helicopter, the rotors on the wing then tilt..so that the aircraft can fly as a conventional turboprop aircraft. < as lemmas  | 
	
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