Marine propulsion
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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 b
Rolls-Royce Marine Spey, a gas turbine developed by Rolls-Royce Holdings in the 1960s for marine propulsion
V12 marine diesel engines
A marine steam turbine manufactured by MAN Energy Solutions
A wind propelled fishing boat in Mozambique
Pump-jet
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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, a centrifugal pump, or a mixed flow pump which
Marine propulsion
…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 impeller. Marine engineering is the discipline concerned with the engineering design process of marine propulsion systems. Human-powered paddles…
A view of pump-jets operating
Two of four KaMeWa waterjets on the high-speed ferry Discovery