In the fortieth annual statistical survey of current model vehicles conducted by the Coordinating Research Council, Inc., test data were obtained on 377 1986 model vehicles, including 314 US vehicles and 63 imported vehicles. Sixteen laboratories participated in this Survey. Maximum octane number requirements were determined by testing at maximum-throttle conditions, as well as a part-throttle. Requirements are expressed as the (R+M)/2 octane number, Research octane number, and Motor octane number of the reference fuel producing knock which was recurrent and repeatable at the lowest audible level. The primary analyses used in this report are based upon (R+M)/2 octane number requirements, rather than upon Research octane number requirements as in the Survey reports prior to 1985. Estimated octane number requirements for the US vehicles are weighted in proportion to the 1986 vehicle model production figures and, for the imported models, in proportion to import sales volume in the United States.


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    Titel :

    CRC (Coordinating Research Council) Octane Number Requirement Survey, 1986


    Erscheinungsdatum :

    1987


    Format / Umfang :

    167 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch