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2. 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 ...

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

4. Greater Underwater Propulsion Power Program - Wikipedia

   en.wikipedia.org/wiki/Greater_Underwater...

   That analysis led [1] to four goals—increasing the submarines' battery capacity, streamlining the boats' structures, adding snorkels, and improving fire control systems. The navy immediately focused on designing a new class of submarine, but the Bureau of Ships believed the fleet of existing Gato , Balao , and Tench -class submarines could be ...

5. Air-independent propulsion - Wikipedia

   en.wikipedia.org/wiki/Air-independent_propulsion

   Most such systems generate electricity, which in turn drives an electric motor for propulsion or recharges the boat's batteries. The submarine's electrical system is also used for providing "hotel services"—ventilation, lighting, heating etc.—although this consumes a small amount of power compared to that required for propulsion.

6. Electrofishing - Wikipedia

   en.wikipedia.org/wiki/Electrofishing

   Electrofishing by boat. There are three types of electrofishers: backpack models, tote barge models, and boat mounted models, sometimes called a stunboat. [2] Backpack electrofisher generators are either battery or gasoline powered. They employ a transformer to pulse the current before it is delivered into the water.

7. 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 ...

8. AOL Mail

   mail.aol.com/d?reason=invalid_cred

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

9. Okinawa Yanbaru Seawater Pumped Storage Power Station

   en.wikipedia.org/wiki/Okinawa_Yanbaru_Seawater...

   Okinawa Yanbaru Seawater Pumped Storage Power Station (Official site, in Japanese) "Seawater Pumped-Storage Power Plant". Japan Commission on Large Dams. Archived from the original on 2002-07-08. "沖縄やんばる海水揚水発電所". Panoramio. 2008-12-31. "The Okinawa Yanbaru Seawater Pumped Storage Power Plant". flickr. 2008-11-11.