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Pump-jet facts for kids

Kids Encyclopedia Facts
Pump jet
Typical 'jet ski' pump jet

A pump-jet or water jet is a marine system that creates a jet of water for propulsion. The mechanical arrangement may be a propeller with nozzle, or a centrifugal pump and nozzle.

Pump jets have some advantages over bare propellers for certain applications, usually related to requirements for high-speed.

Images for kids

  • Pump-jet on NatchanWorld 02

    A view of pump-jets operating

  • Waterjet on HSS Discovery

    Two of four KaMeWa waterjets on the high-speed ferry Discovery

  • Ship's Waterjet system (cut view) NT

    This image illustrates the workings of a reversing bucket. 1: Forward thrust, reversing bucket disengaged 2: Reverse thrust, reversing bucket pushes the thrust flow backwards

See also

Kids robot.svg In Spanish: Hidrojet para niños

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Pump-jet Facts for Kids. Kiddle Encyclopedia.