A Discussion of Alternative Sports Car Concepts 770433

This paper is a discussion of the relative merits of the front, mid and rear engined car concepts. After discussing some basic packaging considerations, and implications in respect of legislation, the authors make comparisons of performance potential in respect of traction and aerodynamics. Limiting power weight ratios are derived. Primary and secondary ride implications are reviewed and effects on braking are mentioned.
Steering and cornering characteristics are assessed by first establishing correlation between prediction and measurement using actual vehicles. Means of simplifying the prediction of steady state steering characteristics are described. Two “model” cars of front and mid engined configuration are then used to predict the steady state and dynamic steering consequences of various specification changes and some conclusions are drawn as to inherent differences.


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