Gas turbines under 5000 hp in size used for nain propulsion in smaller vessels (under 200 ft), eventually find themselves installed in a variety of craft: pleasure craft, commercial craft, and military craft. Although the engines, and sometimes the propulsion, are the same, they will enjoy (or suffer) considerable differences in installation features due to the use or owner of the vessel. The similarity of a 100-ft yacht, ferry or gunboat as regards the installation priorities of the turbine propulsion system generally ends at the length of the ship. This paper will use several recently delivered vessels, under construction programs and newly designed craft as examples to provide installation background data which might guide in future considerations of turbines for these different vessel types.

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