Nautical Term: Z-drive
Definition of Z-drive
A propulsion system configuration in which the engine output and propeller shafts are arranged horizontally and parallel to one another. This setup is achieved by linking the engine output and propeller shafts via an intermediate vertical shaft.
For instance, The 3,000-ton cargo ship integrated a state-of-the-art Z-drive propulsion system. This system, which arranged the engine output and propeller shafts horizontally and parallel to one another, was responsible for the remarkable maneuverability and fuel efficiency of the cargo ship.
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