Powerplant

Powerplant

The complete installation of an aircraft engine, propeller, and all accessories needed for its proper function.

Industry: Aviation

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Powerplant

blade

Aviation; Aircraft maintenance

The component of a propeller that converts the rotation of the propeller shaft into thrust. The blade of a propeller corresponds to the wing of an airplane.

cylinder

Aviation; Aircraft maintenance

The component of a reciprocating engine which houses the piston, valves, and spark plugs and forms the combustion chamber.

ramjet engine

Aviation; Aircraft maintenance

The simplest type of air-breathing reaction engine. Air entering the front of the engine at a high velocity has fuel sprayed into it and ignited. A barrier formed by the incoming air forces the ...

coke

Aviation; Aircraft maintenance

The solid carbon residue left when all volatile parts of a mineral oil have been evaporated by heat.

self-accelerating speed

Aviation; Aircraft maintenance

The speed attained by a gas turbine engine during start-up that allows it to accelerate to its normal idling speed without assistance from the starter.

on-speed condition

Aviation; Aircraft maintenance

The speed condition in which the engine is turning at the rpm for which the propeller governor is set.

ram-recovery speed

Aviation; Aircraft maintenance

The speed of an aircraft at which the ram effect caused by the forward movement increases the air pressure at the compressor inlet so that it is the same as that of the ambient air.