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2. Trolling motor - Wikipedia

   en.wikipedia.org/wiki/Trolling_motor

   A trolling motor is a self-contained marine propulsion unit that includes an electric motor, propeller and control system, and is affixed to an angler 's boat, either at the bow or stern. A gasoline-powered outboard used in trolling, if it is not the vessel's primary source of propulsion, may also be referred to as a trolling motor.

3. Electric boat - Wikipedia

   en.wikipedia.org/wiki/Electric_boat

   An electric boat is a powered watercraft driven by electric motors, which are powered by either on-board battery packs, solar panels or generators. [ 1 ] While a significant majority of water vessels are powered by diesel engines, with sail power and gasoline engines also popular, boats powered by electricity have been used for over 120 years.

4. Outboard motor - Wikipedia

   en.wikipedia.org/wiki/Outboard_motor

   The first known outboard motor was a small 11 pound (5 kg) electric unit designed around 1870 by Gustave Trouvé, [9] and patented in May 1880 (Patent N° 136,560). [10] Later about 25 petrol powered outboards may have been produced in 1896 by American Motors Co [ 9 ] —but neither of these two pioneering efforts appear to have had much impact.

5. Marine propulsion - Wikipedia

   en.wikipedia.org/wiki/Marine_propulsion

   Marine propulsion. Rolls-Royce Marine Spey, a gas turbine developed by Rolls-Royce Holdings in the 1960s for 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 ...

6. Rim-driven thruster - Wikipedia

   en.wikipedia.org/wiki/Rim-driven_thruster

   Rim–driven thruster, presented at SMM 2010. Th e rim-driven thruster, also known as rim-driven propulsor/propeller (or RDP) is a novel type of electric propulsion unit for ships. The concept was proposed by Kort around 1940, but only became commercially practical in the early 21st century due to advances in DC motor controller technology. [1]

7. MagniX - Wikipedia

   en.wikipedia.org/wiki/MagniX

   The magniX magni500 electric motor used in the Harbour Air electric de Havilland Canada Beaver weighs 135 kg (297 lb) and develops 560 kW (750 shp) [9] In contrast, the Pratt & Whitney R-985 Wasp Junior SB it is replacing has a dry weight of 290 kg (640 lb), not including oil, and produces 400 bhp (300 kW), more than halving the weight, while ...