Aviation

Aviation

Dealing with vehicles or machines used in flight or propulsion through the air.

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Aviation > 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.

cam-ground piston

Aviation; Aircraft maintenance

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 ...

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 ...

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 ...