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

integral fuel tank

Aviation; Aircraft maintenance

An aircraft fuel tank made by sealing off part of the structure so fuel can be carried in the structure itself.

bearing journal

Aviation; Aircraft maintenance

A hardened and polished surface on a rotating shaft that rides in a plain bearing.

sludge

Aviation; Aircraft maintenance

A heavy contaminant that forms in an aircraft engine lubricating oil because of oxidation and chemical decomposition of the oil.

A helical gear mounted on a shaft. The worm meshes with a spur gear whose teeth are cut at an angle to its face. A worm gear is an irreversible mechanism. The rotation of the shaft, on which the worm ...

laser tachometer

Aviation; Aircraft maintenance

A highly accurate tachometer that shines a laser beam on a rotating element that has reflective tape or a contrasting mark. The reflected laser beam is converted into electrical pulses which are ...

vortex dissipater

Aviation; Aircraft maintenance

A high-velocity stream of compressor bleed air blown from a nozzle into an area where vortices are likely to form. Vortex dissipaters destroy the vortices that would otherwise suck debris from the ...

distributor

Aviation; Aircraft maintenance

A high-voltage selector switch that is geardriven from the shaft of the rotating magnet in a magneto. The distributor rotor picks up the high voltage from the secondary winding of the coil and ...