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  2. Outboard motor - Wikipedia

    en.wikipedia.org/wiki/Outboard_motor

    An outboard motor is a propulsion system for boats, consisting of a self-contained unit that includes engine, gearbox and propeller or jet drive, designed to be affixed to the outside of the transom. They are the most common motorised method of propelling small watercraft.

  3. Marine propulsion - Wikipedia

    en.wikipedia.org/wiki/Marine_propulsion

    Marine propulsion is the mechanism or system used to generate thrust to move a watercraft through water. While paddles and sails are still used on some smaller boats , most modern ships are propelled by mechanical systems consisting of an electric motor or internal combustion engine driving a propeller , or less frequently, in pump-jets , an ...

  4. Sterndrive - Wikipedia

    en.wikipedia.org/wiki/Sterndrive

    A sterndrive or inboard/outboard drive (I/O) is a form of marine propulsion which combines inboard power with outboard drive. The engine sits just forward of the transom while the drive unit ( outdrive or drive leg ) lies outside the hull .

  5. UQM Technologies Powers Innovative All-electric Outboard ...

    www.aol.com/news/2013-01-22-uqm-technologies...

    Regen Nautic system mounts like a traditional outboard motor, providing all-electric propulsion UQM PowerPhase Select ® 145kW electric motor provides power equivalent to a 180-horsepower gas ...

  6. Pump-jet - Wikipedia

    en.wikipedia.org/wiki/Pump-jet

    A pump-jet, hydrojet, or water jet is a marine system that produces a jet of water for propulsion. The mechanical arrangement may be a ducted propeller (axial-flow pump), a centrifugal pump, or a mixed flow pump which is a combination of both centrifugal and axial designs. The design also incorporates an intake to provide water to the pump and ...

  7. Propulsor - Wikipedia

    en.wikipedia.org/wiki/Propulsor

    A propulsor is a mechanical device that gives propulsion. The word is commonly used in the marine vernacular, and implies a mechanical assembly that is more complicated than a propeller. The Kort nozzle, pump-jet and rim-driven thruster are examples. An example propulsor is shown in the accompanying picture.

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