Weight Propagation and Equivalent Horsepower for Alternate-Engined Cars

Gerhard J. Klose; Donald W. Kurtz

doi:10.4271/780348

1978-02-01

Weight Propagation and Equivalent Horsepower for Alternate-Engined Cars 780348

In order to properly evaluate the consequences of replacing conventional Otto-cycle engines with alternate power systems, comparisons must be carried out at the vehicle level with functionally equivalent cars. This paper presents the development and application of a procedure for establishing equivalent vehicles. A systematic weight propagation methodology, based on detailed weight breakdowns and influence factors, yields the vehicle weight impacts due to changes in engine weight and power. Performance-matching criteria, utilizing a vehicle simulation program, are then employed to establish Otto-engine-equivalent vehicles, whose characteristics can form the basis for alternative engine evaluations.

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Weight Propagation and Equivalent Horsepower for Alternate-Engined Cars 780348

SAE MOBILUS