Steamships machinery

Steamships propulsion

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Steamships propulsion introduction
Compound steam-engines
Triple steam-engines
Quadruple steam-engines

Compound steam engines
Compound steam engines
A steam-engine in which the expansion of the steam from the boiler pressure to the exhaust pressure is carried out in two stages.

Triple expansion engines
Triple steam engines
A steam-engine in which the expansion of the steam from the boiler pressure to the exhaust pressure is carried out in three stages.

Quadruple steam-engine
Quadruple steam engines
A steam-engine in which the expansion of the steam from the boiler pressure to the exhaust pressure is carried out in four stages.