PROPELLER

Propeller

A propeller is a type of fan that transmits power by converting rotational motion into thrust. A pressure difference is produced between the forward and rear surfaces of the airfoil-shaped blade, and a fluid is accelerated behind the blade. Propeller dynamics can be modelled by both Bernoulli's principle and Newton's third law. A marine propeller is sometimes colloquially known as a screw propeller or screw.

The above text is a snippet from Wikipedia: Propeller (marine)
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propeller

Noun

  1. One who, or that which, propels.
  2. A mechanical device, with shaped blades that turn on a shaft, to push against air or water, especially one used to propel an aircraft or boat.
  3. A steamboat thus propelled; a screw steamer.


The above text is a snippet from Wiktionary: propeller
and as such is available under the Creative Commons Attribution/Share-Alike License.

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