Device that transmits rotational power into linear thrust on a fluid
For aircraft propellers, see Propeller (aeronautics). For other uses, see Propeller (disambiguation).
A 'right-handed' propeller on a merchant vessel, which rotates clockwise to propel the ship forwardPropeller of Pratt & Whitney Canada PW100 turboprop mounted on Bombardier Q400
A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon a working fluid such as water or air.[1] Propellers are used to pump fluid through a pipe or duct, or to create thrust to propel a boat through water or an aircraft through air. The blades are shaped so that their rotational motion through the fluid causes a pressure difference between the two surfaces of the blade by Bernoulli's principle which exerts force on the fluid.[2] Most marine propellers are screw propellers with helical blades rotating on a propeller shaft with an approximately horizontal axis.[a]
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A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that...
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Hartzell Propeller is an American manufacturer that was founded in 1917 by Robert N. Hartzell as the Hartzell Walnut Propeller Company. It produces composite...
constructed in the standard configuration with its engine mounted with the propeller in front of it so that the aircraft is "pulled" through the air. Oppositely...
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