1989-02-01

Transient Response and Route Simulations for Heavy Vehicles with Alternative Engine-Transmission System 890393

The paper describes the results of a study of the dynamic response of a 30 tonne truck equipped with two alternative engine-transmission systems, viz. a) the stepless differential compound engine (DCE) b) a highly turbocharged engine of the same rating with a 7 ratio stepped transmission. The comparisons cover: a) 0 - 80 krn/hr acceleration using a true dynamic and a quasi dynamic technique b) a cross country 9 km route. The DCE is shown to have superior acceleration characteristics but route behaviour of the two systems is similar.

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