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Aviation

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

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Aviation > Powerplant

centrifugal twisting force (CTF)

Aviation; Aircraft maintenance

The force acting about the longitudinal axis of a propeller blade, and which tries to rotate the blade to a low-pitch angle. As the propeller rotates, centrifugal force tries to ...

stoichiometric mixture

Aviation; Aircraft maintenance

The fuel-air mixture ratio that, when burned, leaves no uncombined oxygen nor any free carbon. It releases the maximum amount of heat, and therefore produces the highest exhaust ...

core engine

Aviation; Aircraft maintenance

The gas generator portion of a turboshaft, turboprop, or turbofan engine. The core engine consists of the portion of the compressor used to supply air for the engine operation, ...

pitch distribution

Aviation; Aircraft maintenance

The gradual change in pitch angle of a propeller blade from the root to the tip.

wrist pin

Aviation; Aircraft maintenance

The hardened steel pin that attaches a piston to the small end of a connecting rod.

propeller hub

Aviation; Aircraft maintenance

The high-strength component inside a propeller that attaches the blades to the engine propeller shaft.

wake

Aviation; Aircraft maintenance

The high-velocity stream of turbulent air behind an operating aircraft engine.