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This paper discusses the technology, components and systems incorporated in the design of the LM1600 I/CR marine gas turbine propulsion system as well as describing some of the novel and imaginative ways that the highly acclaimed F404 fighter aircraft engine has been modified and adapted to provide the nucleus for this sophisticated marine propulsion system. Specifically, the modifications to the compressors, the high and low pressure turbines and the power turbine design characteristics are described. The proven materials technology from the highly successful LM2500 marine gas turbine has been applied to this engine as well.

The effects of transmission selection on the performance and fuel economy of a gas turbine powered automobile are analyzed. Both single-shaft and two-shaft turbines are considered. Examples are given of fuel economy for an urban cycle, and performance of these engines with an infinitely variable transmission and with a power shift automatic transmission. The primary conclusions are that the infinitely variable transmission is necessary for a single-shaft engine and highly desirable for a two-shaft engine, and the use of an infinitely variable transmission with the single-shaft turbine eliminates any need for the wider output speed range of a two-shaft engine.