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What are types of aircraft propeller?

In: Airplanes and Aircraft [Edit categories]

Answer:

There are two very general types of aircraft propellers: Fixed pitch and variable pitch propellers.

Fixed pitch propellers are simply airfoils attached to the engine which spin and due to Bernoulli's principle, cause a lower pressure at the front of the propeller than they do at the back, thereby "pulling" the aircraft forward. They are controlled simply by a throttle lever which directly affects the RPM at which the propeller spins.

Variable pitch propellers expand on this concept by allowing the pilot to vary the pitch at which the propeller is angled. By varying this, multiple angles of attack can be imposed on the propeller, meaning the pilot can select a certain angle to achieve greater climb performance, and then change the angle of the blade to achieve greater fuel efficiency. This type of propeller is controlled by two systems - the throttle, which controls the manifold pressure of the engine, and the "prop" control, which changes the angle of the propeller blade.

First answer by ID1196999202. Last edit by ID1196999202. Question popularity: 2 [recommend question].

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