High speed lateral stability of freight cars is one facet of a truck performance mode requiring improvement in control. A 70-ton (63.6-mt) freight car truck of conventional three-piece design was analyzed and tested on a dynamic simulator leading to recommendations for truck modifications to improve high speed lateral stability. These modifications and others were later field tested with a 70-ton (63.6-mt) freight car to demonstrate the degree of control derived from single as well as multiple changes to the truck. The results are presented in terms of RMS graphs.
High-Speed Lateral Stability of a Freight Car Related to Modifications of Conventional Trucks
Andresen, J. A., and Byrne, R. (February 1, 1978). "High-Speed Lateral Stability of a Freight Car Related to Modifications of Conventional Trucks." ASME. J. Eng. Ind. February 1978; 100(1): 49–52. https://doi.org/10.1115/1.3439345
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