A new passenger tire designation system was originated by the International Standards Organization (ISO) and has been approved by the U.S. Tire and Rim Association, Incorporated (T&RA) and the National Highway Traffic Safety Administration (NHTSA). This paper explains this P metric tire designation system and compares it in regard to load formula, endurance and wear performance, and dimensional tolerance criteria to the current T&RA alpha designation system in use on most U.S. passenger car tires.


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    Title :

    P Metric Designation Tires - A Comparison to Today's Alpha Designation Tires


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    1978 Automotive Engineering Congress and Exposition ; 1978



    Publication date :

    1978-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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