Results of four years' testing of automobiles, their air resistance and coefficient of friction between tires and road surfaces, made upon highways in vicinity of Iowa Engineering and Experiment Station; forces opposing vehicular progress are increased 50 per cent by light gravel road surfaces and total 700 lb. per ton in deep mud; discussion of Iowa State College -- Bul. no. 88, by T. R. Agg, of which see original article under Automobiles -- Operation Costs.
Elements of tractive resistance analyzed in automotive tests
Automotive Industries
Automotive Industries ; 60 , n 24
1929
2 pages
Article (Journal)
English
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