Maximum Exterior Sound Level for Snowmobiles.

This SAE Recommended Practice establishes the instrumentation, test site, and test procedure for determining the maximum exterior sound level for snowmobiles. Sound propagation is directly related to the ground cover and provides the largest variation to the measured result. A correction factor is introduced to improve year round test repeatability of the results on grass surfaces by correcting their spectrum to be similar to snow covered spectra. Measured sound pressure levels are also highly dependent on the degree of track slip present when performing the vehicle acceleration. Operators should attempt to limit track slip as much as possible while maintaining the requirements described in 5.1.1.

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Current & Historical versions of this standard
Standard	Date published	?Status
J192_201301	2013-01-10	Revised
J192_201103	2011-03-06	Revised
J192_200303	2003-03-07	Revised
J192_198503	1985-03-01	Reaffirmed
J192_197207	1972-07-01	Revised