Pump-jet
Videos
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
A view of pump-jets operating
Two of four KaMeWa waterjets on the high-speed ferry Discovery
Marine propulsion
Videos
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