File:Precision_air_ATR72_5423a.gif · Wikimedia Commons · See Wikimedia Commons
thumb|upright=1.35|A 'right-handed' propeller on a merchant vessel, which rotates clockwise to propel the ship forward. The man's hand rests on the trailing edge. thumb|upright=1.35|Propeller of Pratt & Whitney Canada PW100 [[turboprop mounted on Bombardier Q400]]
A propeller is a rotating device with angled blades that pushes vehicles forward by moving through air or water, commonly found on ships and aircraft. It works by spinning to create force that propels the vessel or plane in the desired direction.
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Wikidata facts
- Subclass of
- propulsion
- Part of
- mechanical fan
- Image
- Screw-Konpira.jpg
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- topic's main category
- Category:Propellers
- Commons category
- Propellers
- Commons gallery
- Propeller
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Article · 中文
螺旋槳，是一種有和輻射形的裝置，每一槳葉都組成螺旋面的一部分。當它在水中或空氣中旋轉時，就產生拉（推）力，使船或飛機作前進運動。螺旋槳的拉（推）力與它作用的水或空氣的質量和加速度的乘積成正比。要取得最有效的推進，質量應大而加速度應小。
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