Aviation

Aviation

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

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Aviation > Powerplant

liaison aircraft

Aviation; Aircraft maintenance

A type of light military aircraft made popular during World War II because of its ability to land and takeoff from unimproved terrain. Liaison aircraft have been replaced with ...

feeler gages

Aviation; Aircraft maintenance

A type of measuring tool consisting of strips of precision-ground steel of accurately measured thickness. Feeler gages are used to measure the distance between closefitting parts, ...

detergent oil

Aviation; Aircraft maintenance

A type of mineral oil with metallic-ashforming additives that protects the inside of an engine from sludge and varnish buildup. Used in automotive engines, it has proven ...

back-suction mixture control

Aviation; Aircraft maintenance

A type of mixture control used in some float carburetors that regulates the fuel-air mixture by varying the air pressure above the fuel in the float bowl.

normal shock wave

Aviation; Aircraft maintenance

A type of pressure wave that forms at right angles to a surface when air moves at the speed of sound.

skin radiator

Aviation; Aircraft maintenance

A type of radiator used on some early liquidcooled racing airplanes. The radiator was made of two thin sheets of brass, slightly separated so the heated coolant could flow between ...

townend ring

Aviation; Aircraft maintenance

A type of ring cowling used over a single-row radial engine. The cross section of the ring is in the form of an airfoil that produces enough forward thrust to compensate for the ...