Browse Standards J192A_197311
Historical REVISED 1973-11-01

Maximum Exterior Sound Level for Snowmobiles J192A_197311

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.
J192_202001
2020-01-15
Latest
Revised
J192_201901
2019-01-23
Historical
Revised
J192_201301
2013-01-10
Historical
Revised
J192_201103
2011-03-06
Historical
Revised
J192_200303
2003-03-07
Historical
Revised
J192_198503
1985-03-01
Historical
Reaffirmed
J192A_197311
1973-11-01
Historical
Revised
J192_197207
1972-07-01
Historical
Revised

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