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

pusher propeller

Aviation; Aircraft maintenance

A propeller installed on an aircraft engine so that it faces the rear of the aircraft. Thrust from the propeller pushes rather than pulls the aircraft.

windmilling propeller

Aviation; Aircraft maintenance

A propeller that is rotated by air flowing over the blades rather than powered by the engine. work. The product of a force times the distance the force is moved.

A reciprocating engine piston that is not round, but is ground so that its diameter parallel to the wrist pin is slightly smaller than its diameter perpendicular to the pin. The mass of metal used in ...

naturally aspirated engine

Aviation; Aircraft maintenance

A reciprocating engine that depends upon atmospheric pressure to force the fuel-air mixture into the cylinders. Naturally aspirated engines are neither supercharged nor turbocharged.

sea-level boosted engine

Aviation; Aircraft maintenance

A reciprocating engine that has had its sea-level rated horsepower increased by supercharging. This is the same as a ground-boosted engine.

turbo-compound engine

Aviation; Aircraft maintenance

A reciprocating engine that has power recovery turbines in its exhaust system. The power extracted from the exhaust by these turbines is directed into the engine crankshaft through a fluid coupling.