1971-02-01

Tire Traction Measurement on the Road and in the Laboratory 710630

ABSTRACT

This paper gives a comprehensive analysis of tire-road traction, utilizing new experimental and analytical techniques. It introduces a concept of traction envelope for evaluation of the overall tire traction properties in all operating modes on a common basis. It establishes feasibility of laboratory techniques for tire wet traction measurements and shows good correlation between road and laboratory measurements and also between road measurements on different surfaces. Comparative evaluation between new and conventional techniques for measuring tire traction on the road in cornering with and without power application are given.

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