Combined diesel and diesel
Encyclopedia
Combined diesel and diesel (CODAD) is a propulsion
system for ship
s using two diesel engine
s to power a single propeller shaft. A gearbox
and clutch
es enable either of the engines or both of them together to drive the shaft.
Marine propulsion
Marine propulsion is the mechanism or system used to generate thrust to move a ship or boat across water. While paddles and sails are still used on some smaller boats, most modern ships are propelled by mechanical systems consisting a motor or engine turning a propeller, or less frequently, in jet...
system for ship
Ship
Since the end of the age of sail a ship has been any large buoyant marine vessel. Ships are generally distinguished from boats based on size and cargo or passenger capacity. Ships are used on lakes, seas, and rivers for a variety of activities, such as the transport of people or goods, fishing,...
s using two diesel engine
Diesel engine
A diesel engine is an internal combustion engine that uses the heat of compression to initiate ignition to burn the fuel, which is injected into the combustion chamber...
s to power a single propeller shaft. A gearbox
Transmission (mechanics)
A machine consists of a power source and a power transmission system, which provides controlled application of the power. Merriam-Webster defines transmission as: an assembly of parts including the speed-changing gears and the propeller shaft by which the power is transmitted from an engine to a...
and clutch
Clutch
A clutch is a mechanical device which provides for the transmission of power from one component to another...
es enable either of the engines or both of them together to drive the shaft.