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

safety gap

Aviation; Aircraft maintenance

A location in a magneto that allows a spark to jump to ground from the secondary circuit before the voltage rises high enough to damage the secondary insulation.

augmentor tube

Aviation; Aircraft maintenance

A long, specially shaped stainless steel tube mounted around the exhaust tail pipe of a reciprocating engine. As exhaust gases flow through the augmentor tube, they produce a low pressure in the ...

NACA cowling

Aviation; Aircraft maintenance

A long-chord cowling used over a radial engine. The forward portion of this cowling has an aerodynamic shape that produces a forward pull, and the rear portion extends back to fair in with the ...

vibration loop

Aviation; Aircraft maintenance

A loop in a rigid fluid line used to prevent vibration from concentrating stresses that could cause the line to break.

A low point in an aircraft engine in which lubricating oil collects and is stored or transferred to an external oil tank. A removable sump attached to the bottom of the crankcase of a reciprocating ...

fuel tank sump

Aviation; Aircraft maintenance

A low point in an aircraft fuel tank in which water and other contaminants collect and are held until they can be drained out.

electrical steel

Aviation; Aircraft maintenance

A low-carbon iron alloy that contains some silicon It is used as the core for transformers, field frames for generators and alternators, and the magnetic circuit of magnetos.