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Propeller
Aug 23, 2018

Propeller is the most widely used propulsion device in marine transportation. It has simple structure and low cost. After nearly a hundred years of development, it has been very mature. There are many different propellers in the history of ship development, some of them are popular, some are still testing, and some are active in special fields. Now, the mainstream propellers are only three kinds: propeller, water jet propulsion, pump propulsion. The history of water jet propulsion is no shorter than that of the propeller. As early as the invention of the pump, people wondered whether it could be used to propel ships. Now, it has been widely used in the field of high speed.

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