MARINE PROPULSION SYSTEMS AND COMPONENTS :
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Leading companies providing propulsion components and systems include Wärtsilä, MAN Energy Solutions, Rolls-Royce (Kongsberg), Volvo Penta, Caterpillar , Cummins.
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Key Components of a Marine Propulsion System
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Prime Mover: The main engine, typically a two-stroke or four-stroke diesel engine, gas turbine, or electric motor that provides power.
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Gearbox/Transmission: Matches the speed of the engine to the propeller, allowing for speed changes and reverse direction.
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Shaft Line: Transmits rotational power from the gearbox to the propeller.
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Propeller/Thruster: Converts rotational power into thrust, with types including Fixed Pitch Propellers (FPP) and Controllable Pitch Propellers (CPP).
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Auxiliary Systems: Includes fuel systems, lubrication systems, and exhaust systems (mufflers, emission control).
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Control System: Monitors and optimizes the powertrain for efficiency.