Engines

Propeller

Definition

A rotating airfoil that converts engine power into thrust. Propellers can be fixed-pitch, constant-speed, or featherable. Constant-speed propellers maintain selected RPM by varying blade pitch automatically.

Related Terms

Constant Speed Propeller

A propeller with a governor that automatically adjusts blade pitch to maintain a...

Feathering

Rotating propeller blades to a nearly streamlined position (edge into the wind) ...

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