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Pressure Snowmobile Technical Committee Acoustics

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Standard

Stationary Sound Testing of Snowmobiles, Procedure and Enforcement Issues
2021-05-13
CURRENT
J2641_202105
This SAE Information Report provides basic information about the issues surrounding the administration of stationary, infield sound testing of snowmobiles. The information provided herein is meant to enhance safety, improve the environment, and promote uniform testing.
Standard

Maximum Exterior Sound Level for Snowmobiles
2021-03-01
CURRENT
J192_202103
This SAE Standard establishes the instrumentation, test site, and test procedure for determining the maximum exterior sound level for snowmobiles.
Standard

Maximum Exterior Sound Level for Snowmobiles
2019-01-23
HISTORICAL
J192_201901
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.
Standard

Stationary Sound Testing of Snowmobiles, Procedure and Enforcement Issues
2015-11-24
HISTORICAL
J2641_201511
This SAE Information Report provides basic information about the issues surrounding the administration of stationary, infield sound testing of snowmobiles. The information provided herein is meant to enhance safety, improve the environment and promote uniform testing.
Standard

Measurement of Exhaust Sound Levels of Stationary Snowmobiles
2015-11-24
HISTORICAL
J2567_201511
This SAE Recommended Practice establishes the test procedure, environment and instrumentation for determining the sound levels of snowmobiles in the stationary test mode. This test method is intended to provide an accurate measurement of exhaust and other engine noise and may be used to evaluate new and in-use snowmobiles to determine compliance with noise control regulations. Sound level measurements obtained with this test method are not intended as an engineering determination of overall machine noise. For this purpose, the use of SAE J192 is recommended.
Standard

Maximum Exterior Sound Level for Snowmobiles
2013-01-10
HISTORICAL
J192_201301
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.
Standard

Maximum Exterior Sound Level for Snowmobiles
2011-03-06
HISTORICAL
J192_201103
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.
Standard

Measurement of Exhaust Sound Levels of Stationary Snowmobiles
2009-01-27
HISTORICAL
J2567_200901
This SAE Recommended Practice establishes the test procedure, environment and instrumentation for determining the sound levels of snowmobiles in the stationary test mode. This test method is intended to provide an accurate measurement of exhaust and other engine noise and may be used to evaluate new and in-use snowmobiles to determine compliance with noise control regulations. Sound level measurements obtained with this test method are not intended as an engineering determination of overall machine noise. For this purpose, the use of SAE J192 is recommended.
Standard

Snowmobile Fuel Tanks
2008-03-04
HISTORICAL
J288_200803
To provide minimum performance requirements for non-pressurized fuel tanks used on snowmobiles as defined in SAE J33.
Standard

Stationary Sound Testing of Snowmobiles, Procedure and Enforcement Issues
2007-11-15
HISTORICAL
J2641_200711
This SAE Information Report provides basic information about the issues surrounding the administration of stationary, infield sound testing of snowmobiles. The information provided herein is meant to enhance safety, improve the environment and promote uniform testing.
Standard

Measurement of Exhaust Sound Levels of Stationary Snowmobiles
2004-01-22
HISTORICAL
J2567_200401
This SAE Recommended Practice establishes the test procedure, environment and instrumentation for determining the sound levels of snowmobiles in the stationary test mode. This test method is intended to provide an accurate measurement of exhaust and other engine noise and may be used to evaluate new and inuse snowmobiles to determine compliance with noise control regulations. Sound level measurements obtained with this test method are not intended as an engineering determination of overall machine noise. For this purpose, the use of SAE J192 is recommended.
Standard

Snowmobile Fuel Tanks
2002-12-20
HISTORICAL
J288_200212
To provide minimum performance requirements for non-pressurized fuel tanks used on snowmobiles as defined in SAE J33.
Standard

EXTERIOR SOUND LEVEL FOR SNOWMOBILES
1985-03-01
HISTORICAL
J192_198503
This SAE Recommended Practice establishes the instrumentation, test site, and test procedure for determining the maximum exterior sound level for snowmobiles.
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