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Powerplant
The complete installation of an aircraft engine, propeller, and all accessories needed for its proper function.
Industry: Aviation
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Powerplant
density altitude
Aviation; Aircraft maintenance
The altitude in standard air at which the density is the same as that of the existing air.
pressure altitude
Aviation; Aircraft maintenance
The altitude in standard atmosphere at which the pressure is the same as the existing pressure.
friction horsepower (FHP)
Aviation; Aircraft maintenance
The amount of horsepower used to turn the crankshaft, pistons, gears, and accessories in a reciprocating engine and to compress the air inside the cylinders.
reid vapor pressure
Aviation; Aircraft maintenance
The amount of pressure that must be exerted on a liquid to keep it from vaporizing. Reid vapor pressure is measured at 100 ºF.
acceleration
Aviation; Aircraft maintenance
The amount the velocity of an object is increased by a force during each second it is acted upon by that force. Acceleration is usually measured and expressed in terms of feet per second, per second ...
deceleration
Aviation; Aircraft maintenance
The amount the velocity of an object, measured in feet per second, is decreased by a force during each second it is acted upon by that force. Deceleration is usually expressed in terms of feet per ...
pitch angle
Aviation; Aircraft maintenance
The angle between the chord line of a propeller blade and the plane of rotation.
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