Truck Design Optimization Project (TDOP) Phase II: Final Report
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1982-02-01
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Edition:Final Report
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Abstract:The overall objectives of the Truck Design Optimization (TDOP) Phase II are to provide technological and economic bases for assessing freight car truck performance and design, and to generate uniform testing and performance guidelines for truck/car body systems. This report summarizes the approaches employed in this study which included the development of a truck evaluation methodology to delineate the relationships between performance and railroad operating costs and profits; establishment of analytic and experimental procedures for relating truck parameters to the economic-based performance indices over the range of in-service train configurations, track conditions, equipment parameters, and speeds; and conduct of analytical and experimental studies to define the performance boundaries of existing and proposed freight car truck configurations. The report discusses the development of performance and test specifications, and the methodology used in defining economic implications. Also included in the report are summary characteristics of Type I and Type II freight car trucks, guideline performance specifications for Type II freight car trucks, a set of guidelines for standardized field and laboratory tests, and conclusions with respect to freight car truck economics, in such areas as maintenance costs, fuel consumption, and rail wear.
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