This recommended practice establishes the instrumentation, test site, and test procedure for determining the exterior operational sound level for snowmobiles. Sound pressure measurements on the operational test surfaces for snowmobiles have been known to vary as much as 6 to 10 dBA due to atmospheric, surface condition and vehicle fluctuation. The most recent update is focused on accounting for the the variability in the surface related variation.


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    Title :

    Operational Sound Level Measurement Procedure for Snowmobiles


    Publication date :

    2017-11-29



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English