Combined gas and gas

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What Wikipedia says

Combined gas turbine and gas turbine (COGAG) is a type of propulsion system for ships using two gas turbines connected to a single propeller shaft. A gearbox and clutches allow either of the turbines to drive the shaft or both of them combined. Marine usage of COGAG systems are similar to those found ashore.

Excerpt from the Wikipedia article “Combined gas and gas”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

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