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Maintenance of marine heat exchangers is important to ensure the small pathways in both types of coolers do not become fouled. Depending on the system different types fouling may occur. In oil based systems, an insufficient amount of cooling medium or inefficient flow of oil through the heater can cause the heater to become fouled.
A "Scotch" marine boiler (or simply Scotch boiler) is a design of steam boiler best known for its use on ships. Sectional diagram of a "wet back" boiler. The general layout is that of a squat horizontal cylinder. One or more large cylindrical furnaces are in the lower part of the boiler shell. Above this are many small-diameter fire-tubes ...
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 impeller.
It is constructed as a cylindrical steel pressure vessel, either horizontal or vertical, containing a series of heating coils. The design bears a strong resemblance to a marine evaporator, though simpler, as it uses treated feedwater, rather than scale-producing raw seawater.
launch-type boiler: a small fire-tube boiler used in launches and smaller steam yachts. A horizontal cylinder in form, with a cylindrical furnace and multiple fire-tubes. They have some resemblance to a small Scotch boiler or Huber boiler, but with the fire-tubes extending beyond the furnace end, rather than folded back as a return-tube boiler ...
Cyclone Power Technologies builds a speedboat, the 'GG Mom', to break the water speed record for steam-powered boats using the Mark V engine. [12] Although they state record attempts will be made that summer, the boat never appears to have been run. September 12, 2011: The Combilift corporation in Ireland orders two Mark V engines.