variable-pitch airscrew — воздушный винт с изменяемым шагом
geared airscrew — воздушный винт с приводом через редуктор
fixed-pitch airscrew — воздушный винт с постоянным шагом
free wheeling airscrew — авторотирующий воздушный винт
direct-driven airscrew — безредукторный воздушный винт
English-Russian big polytechnic dictionary. 2014.
Propeller — A propeller is essentially a type of fan which transmits power by converting rotational motion into thrust for propulsion of a vehicle such as an aircraft, ship, or submarine through a mass such as water or air, by rotating two or more twisted… … Wikipedia
helicopter — /hel i kop teuhr, hee li /, n. 1. any of a class of heavier than air craft that are lifted and sustained in the air horizontally by rotating wings or blades turning on vertical axes through power supplied by an engine. v.i. 2. to fly in a… … Universalium
