High Quality Content by WIKIPEDIA articles! A paddle steamer is a ship or boat driven by a steam engine that uses one or more paddle wheels to develop thrust for propulsion. It is also commonly a type of steamboat. Paddle steamers usually carry the prefix "PS". Although generally associated with steam power, paddleboats or paddlewheelers have also been driven by diesel engines, animal power, or human power. The paddle wheel was the first practical form of mechanical propulsion applied to a boat, but has now been almost entirely superseded by the screw propeller and other, more modern forms of marine propulsion.

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