The propulsion engine on a ship or aircraft is the MAIN engine. -Many aircraft and almost all ships have smaller engines just to produce electrical and hydraulic power.
Main propulsion is the function of the marine main engine.
Main propulsion is the function of the marine main engine.
Main engine is used for propulsion of ship.
Piston & Cylinder are two main parts of an engine.
Piston & Cylinder are two main parts of an engine.
The engine and main rotor
The main source of propulsion.
The marine main engine lube oil sump is critical to keep the engine running. If the pump gets clogged or fails, then the engine will seize and be ruined.
Engine
in the block
UUUHH...it's called a "space shuttle" main engine...why do you think?
If it's the factory engine, then it will be a 2-bolt main engine.