Studies were carried out as part of program to determine effects of highway design on fuel consumption and travel time of large trucks; fuel consumption and travel time were as much affected by vehicle properties as by highway design; road test methods are described by means of which total drag force, air and tire drag force, and other drag components of truck can be measured; road tests consist of coastdown experiments over wide speed range at several loads; independent measurements of tire and air drag force show that road data are essentially correct; examples of results of road test method.
Truck drag components by road test measurement
SAE -- Paper
SAE Meeting ; 1964 Performance
1964
8 pages
Conference paper
English
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Truck Drag Components by Road Test Measurement
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