To measure friction for purpose of correlating brake test results, trailer is used on Proving Ground to measure friction force developed by braked wheels sliding on road surface; force is then converted into friction coefficient value; trailer construction, and braking and water controls; trailer also used by highway agencies to detect changes in road surfaces caused by polishing action of tire wear.
Simple two-wheel trailer measures road surface coefficient of friction
Gen Motors Eng J
General Motors Engineering Journal ; 5 , n 4
1958
7 pages
Article (Journal)
English
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