Aviation

Aviation

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

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Aviation > Powerplant

plenum chamber burning (PCB)

Aviation; Aircraft maintenance

A method of thrust augmentation used on engines with vectored nozzles. Fuel injected into the fan-discharge air is burned to increase thrust.

electromagnetic radiation

Aviation; Aircraft maintenance

A method of transmitting energy from one location to another. Current caused by high voltage in the secondary winding of a magneto produces electric and magnetic fields which ...

cold-cranking simulation

Aviation; Aircraft maintenance

A method used for specifying the characteristics of a lubricating oil at low temperature. Oils rated by this test have the letter W (standing for Winter) in their designation. For ...

ashless dispersant (AD) oil

Aviation; Aircraft maintenance

A mineral-based lubricating oil used in reciprocating engines. This oil does not contain any metallic ash-forming additives, but has additives that disperse the contaminants and ...

digitized image

Aviation; Aircraft maintenance

A modified image picked up by the miniature TV camera in the end of a fiber-optic probe. This image is converted into a digital electronic signal that eliminates unwanted portions ...

pressure-injection carburetor

Aviation; Aircraft maintenance

A multibarrel pressure carburetor used on large radial and V-engines. Fuel is metered on the basis of air mass flowing into the engine and is sprayed under pressure into the eye, ...

satellite

Aviation; Aircraft maintenance

A nonferrous alloy of cobalt, chromium, and tungsten. Stellite is hard, water resistant, and corrosion resistant, and it does not soften until its temperature is extremely high. ...