This paper describes a simple inexpensive system of motorcycle silencing which has given successful results on prototype and production, touring and competition, 2-stroke and 4-stroke machines. Noise sources are identified and compared. The noise from principle sources is silenced by several techniques, but mainly using the Annular Cavity type of unit developed earlier. The procedure for tuning is discussed, using the case history of a 380 cc 2-stoke enduro motorcycle. Reduction of intake and exhaust noise is typically 12 - 25 dBA, with a useful increase in power.


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    Title :

    An empirical approach to motorcycle silencing


    Additional title:

    Empirisches Vorgehen bei der Laermminderung von Motorraedern


    Contributors:
    Roe, G. (author)

    Published in:

    Publication date :

    1977


    Size :

    14 Seiten, 18 Bilder, 7 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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