Industry Update of DDA Model T63/250 Turboshaft and Turboprop Engine Programs 720350

Detroit Diesel Allison (formerly Allison) Division of General Motors has, since 1965, been developing and producing several models of its small model T63/250 gas turbine engine. This paper discusses the continuing engine program by identifying models and applications of both turboshaft helicopter engines and turboprop fixed wing aircraft powerplants. Progress in development of higher horsepower versions which improve the performance and utility of business aircraft is also discussed.


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