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2. Outboard motor - Wikipedia

   en.wikipedia.org/wiki/Outboard_motor

   Basic parts of an 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

   A pump-jet, hydrojet, water jet, or jet drive uses a ducted propeller (axial-flow pump), centrifugal pump, or mixed flow pump to create a jet of water for propulsion. These incorporate an intake for source water and a nozzle to direct its flow out, generating momentum, and in most cases, employing thrust vectoring to steer the craft.

4. Mercury Marine - Wikipedia

   en.wikipedia.org/wiki/Mercury_Marine

   Subsidiaries include Mercury Precision Parts and Accessories as well as Mercury propellers and Mercury Jet Drives. Mercury outboards 30 hp and below are manufactured by Tohatsu in Japan. [citation needed] Mercury developed a processor-enhanced line of outboards called the "Verado" outboard engine.

5. Pump-jet - Wikipedia

   en.wikipedia.org/wiki/Pump-jet

   On December 21, 1833, Irish engineer John Howard Kyan received a UK patent for propelling ships by a jet of water ejected from the stern. [10] In April 1932, Italian engineer Secondo Campini demonstrated a pump-jet propelled boat in Venice, Italy. The boat achieved a top speed of 28 knots (32 mph; 52 km/h), a speed comparable to a boat with a ...

6. Runabout (boat) - Wikipedia

   en.wikipedia.org/wiki/Runabout_(boat)

   Inboard-Outboard (or stern drives) are a hybrid, with an engine block mounted within the hull linked to a pivotable lower drive unit which steers the craft, similar to an outboard motor. Jet Drives have a propeller enclosed in a pump-jet that draws water from underneath the hull and expels it through a swiveling nozzle in the stern.

7. Sterndrive - Wikipedia

   en.wikipedia.org/wiki/Sterndrive

   In Europe diesel engines are more popular, ranging up to 400 hp in models such as the Volvo Penta D6A-400. Other brands of sterndrive include MerCruiser (produced by Brunswick Corporation's Mercury Marine, which also manufactures outboard motors). Mercruiser have a slightly larger market share in the US, while in Europe Volvo Penta has an ...