Paddle steamer

A paddle steamer is a steamship or steamboat powered by a steam engine driving paddle wheels to propel the craft through the water. Earlier ships that are driven by a paddle wheel under manual power are known as paddle wheelers.

In the early 19th century, paddle wheels were the predominant way of propulsion for steam-powered boats. In the late 19th century, paddle propulsion was largely superseded by the screw propeller and other marine propulsion systems that have a higher efficiency, especially in rough or open water.

Paddle wheels continue to be used by some ships that operate as excursion boats, floating restaurants, and casinos; these include replica vessels, and are often diesel powered.

Small pedal-powered paddle boats are also found, typically as novelty attractions.

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