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Aviation
Dealing with vehicles or machines used in flight or propulsion through the air.
14Categories 89331Terms
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Aviation > Powerplant 
dipstick
Aviation; Aircraft maintenance
A gage, in the form of a thin metal rod, used to measure the level of liquid in a reservoir. The dipstick is pushed into the reservoir until it contacts a built-in stop; then it ...
hybrid compressor engine
Aviation; Aircraft maintenance
A gas turbine engine that has both centrifugal and axial-flow compressors.
turbojet engine
Aviation; Aircraft maintenance
A gas turbine engine that produces thrust by accelerating the air flowing through it. A minimum of energy is extracted by the turbine, with the majority used to produce an exhaust ...
free-turbine engine
Aviation; Aircraft maintenance
A gas turbine engine with a turbine stage on a shaft independent of the shaft used to drive the compressor. Free turbines are used to drive the propeller reduction gear in a ...
epicyclic reduction gears
Aviation; Aircraft maintenance
A gear train in which a series of small planetary gears rotate around a central gear. More commonly called a planetary gear train.
capillary tube
Aviation; Aircraft maintenance
A glass or metal tube with a tiny inside diameter. Capillary action causes the fluid to move within the tube.
riffle file
Aviation; Aircraft maintenance
A hand file with its teeth formed on a curved surface that resembles a spoon.
Sub-categories
- Aeronautics (18944)
- Air traffic control (14233)
- Aircraft (22883)
- Aircraft maintenance (1634)
- Airframe (736)
- Airline (2189)
- Airplane flying (18062)
- Airplanes & equipment (4488)
- Airport (11900)
- Avionics (154)
- General aviation (1759)
- Helicopter (80)
- Jet engines (2630)
- Powerplant (618)