Marine propulsion: Ship, Boat, Diesel engine, Nuclear propulsion, Galley, Future Boat Developments, Kite, Royal (sail), Turbosail, Rotorsail - Tapa blanda

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In marine propulsion, propulsion systems for ships and boats vary from the simple paddle to the largest diesel engines in the world - or even nuclear propulsion. These systems fall into three categories: human propulsion, sailing, and mechanical propulsion. Human propulsion includes the pole, still widely used in marshy areas, rowing which was used even on large galleys, and the pedals. In modern times, human propulsion is found mainly on small boats or as auxiliary propulsion on sailboats. Propulsion by sail generally consists of a sail hoisted on an erect mast, supported by stays and spars and controlled by ropes. Sail systems were the dominant form of propulsion until the nineteenth century. They are now generally used for recreation and racing, although experimental sail systems, such as the kites/royals, turbosails, rotorsails, wingsails, windmills and SkySails''s own kite buoy-system have been used on larger modern vessels for fuel savings.