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

constant-displacement pump

Aviation; Aircraft maintenance

A fluid pump that moves a specific volume of fluid each time it rotates.

positive-displacement pump

Aviation; Aircraft maintenance

A fluid pump that moves a specific volume of fluid each time it rotates. Spur-gear pumps, gerotor pumps, and vane pumps are all positivedisplacement pumps.

momentum

Aviation; Aircraft maintenance

A force caused by the inertia of a moving body as it tries to keep the object moving in the same direction, at the same speed.

A force that causes electrons to move from one atom to another within an electrical circuit. An electromotive force, or EMF, is the difference in the electrical pressure, or potential, that exists ...

ethylene glycol

Aviation; Aircraft maintenance

A form of alcohol used as a coolant for liquid-cooled aircraft engines. It is also used in automobile engines as a permanent antifreeze.

spur-gear pump

Aviation; Aircraft maintenance

A form of constant-displacement fluid pump that uses two meshing spur-gears mounted in a close fitting housing. Fluid is taken into the housing where it fills the space between the teeth of the gears ...

gerotor pump

Aviation; Aircraft maintenance

A form of constant-displacement pump that uses an external-tooth drive gear that meshes with and drives an internal-tooth gear that has one more space for a tooth than there are teeth on the drive ...