Reductions of aerodynamic drag in the 20-25% range through the use of several established drag-reduction devices and minor design changes have been demonstrated on three large sales-volume 1974 and 1975 model American automobiles. Comparisons of test techniques were made by testing one automobile both full-scale and as a 0.4-scale model in two different wind tunnels. Another vehicle was tested both full-scale in a wind tunnel and by the coast-down technique. Good comparative results were obtained.


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    Title :

    A Study of Automotive Aerodynamic Drag


    Contributors:
    J. E. Marte (author) / R. W. Weaver (author) / D. W. Kurtz (author) / B. Dayman (author)

    Publication date :

    1975


    Size :

    82 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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