controllable pitch blade

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• Controllable pitch propeller — A controllable pitch propeller (CPP) or variable pitch propeller is a type of propeller with blades that can be rotated around their long axis to change their pitch. If the pitch can be set to negative values, the reversible propeller can also… …   Wikipedia

• controllable-pitch propeller — A propeller whose pitch can be altered by the pilot in flight. Unlike in a constant speed propeller, where the governor automatically controls the pitch, here the pilot carries out the pitch adjustments. Takeoff is made with a low blade angle, so …   Aviation dictionary

• 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

• Astern propulsion — (as applied to a ship) is a maneuver in which a ship s propelling mechanism is used to develop thrust in a retrograde direction. Astern propulsion does not necessarily imply the ship is moving astern ( in reverse ); astern propulsion is used to… …   Wikipedia

• USS Barbey (FF-1088) — USS Barbey (DE 1088/FF 1088) was a Sclass|Knox|frigate of the US Navy. Barbey (DE 1088) was laid down on 5 February 1972 by Avondale Shipyards, Inc., Westwego, La.; launched on 4 December 1971; sponsored by Mrs. Daniel E. Barbey, widow of Vice… …   Wikipedia

• Marine propulsion — For the operation of ship engines, see Engine department (ship). For the design of ships, see Naval architecture. A view of a ship s engine room Marine propulsion is the mechanism or system used to generate thrust to move a ship or boat across… …   Wikipedia

• MV Mississippi — On left, with barge used to reduce bow wave. Career Name: MV Mississippi …   Wikipedia

• French frigate Dupleix (D641) — For other ships of the same name, see French ship Dupleix. Career (France) …   Wikipedia

• French frigate Montcalm (D642) — For other ships of the same name, see French ship Montcalm. Career (France) …   Wikipedia

• E-Sky Lama model helicopters — The E Sky Lama family of model helicopters comprises small, 4 channel, remote controlled electric coaxial helicopters produced by E Sky. These include the original Lama, the Lama V2, Lama V3 and Lama V4, a series of coaxial remote control… …   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