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Aviation

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

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Aviation > Powerplant

piston land

Aviation; Aircraft maintenance

The portion of a piston between the ring grooves.

splined shaft land

Aviation; Aircraft maintenance

The portion of a splined shaft between the grooves.

odometer

Aviation; Aircraft maintenance

The portion of an automobile speedometer that indicates the distance traveled.

tail pipe

Aviation; Aircraft maintenance

The portion of the exhaust system of a gas turbine engine through which the gases leave. The tail pipe is often called the exhaust duct, or exhaust pipe.

valve overlap

Aviation; Aircraft maintenance

The portion of the operating cycle of a fourstroke-cycle reciprocating engine during which both the intake and exhaust valves are off of their seats at the same time.

bluckets

Aviation; Aircraft maintenance

The portions of aft-fan blades that are in the exhaust of the core engine. Bluckets drive the fan from energy received from hot gases leaving the core engine.

full-register position

Aviation; Aircraft maintenance

The position of a magnet in a magneto when its poles are aligned with the pole shoes and the maximum amount of magnetic flux is flowing through the magnetic circuit.