contrarotating propellers

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• contrarotating propellers — A set of two propellers mounted on the same shaft but rotating in opposite directions to reduce the torque to zero …   Aviation dictionary

• contrarotating propeller — |kän.trə+... noun Etymology: contra + rotating : one of a pair of propellers (as on a ship or airplane) mounted on concentric shafts, having a common drive, and turning in opposite directions to reduce the torque reaction * * * contrarotating… …   Useful english dictionary

• contrarotating — Two or more propellers or gas turbine spools rotating in opposite directions on a common shaft axis and having a common drive …   Aviation dictionary

• military aircraft — Introduction       any type of aircraft that has been adapted for military use.       Aircraft have been a fundamental part of military power since the mid 20th century. Generally speaking, all military aircraft fall into one of the following… …   Universalium

• naval ship — Introduction       the chief instrument by which a nation extends its military power onto the seas. Warships protect the movement over water of military forces to coastal areas where they may be landed and used against enemy forces; warships… …   Universalium

• Supermarine Seafang — Infobox Aircraft name = Seafang type = Naval fighter manufacturer = Supermarine Aviation Works (Vickers) Ltd. caption = Seafang Mk 32 designer = first flight = 1946 introduced = retired = status = primary user = Fleet Air Arm more users =… …   Wikipedia

• Curtiss XBTC — XBTC A Curtiss XBTC 2 Model B in 1946 Role Attack aircraft …   Wikipedia

• solidity — i. The ratio between the part of a propeller disc that when viewed from the front is solid and the part that is just air. This ratio is measured by adding up the blade chords at a certain radius and dividing the sum by the circumference at that… …   Aviation dictionary

• airplane — /air playn /, n. 1. a heavier than air aircraft kept aloft by the upward thrust exerted by the passing air on its fixed wings and driven by propellers, jet propulsion, etc. 2. any similar heavier than air aircraft, as a glider or helicopter. Also …   Universalium

• 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

• Blackburn Aircraft — Infobox Defunct Company company name = Blackburn Aircraft Limited company fate = acquisition and merger successor = Hawker Siddeley Group foundation = 1914 defunct = 1960 location = Brough, Yorkshire industry = aviation, aircraft engines key… …   Wikipedia