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Snowmobile Technical Committee Noise, Vibration, and Harshness (NVH) Technical review

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Standard

Dynamic Cushioning Performance Criteria for Snowmobile Seats
2022-05-02
WIP
J89
This SAE Recommended Practice encompasses the significant factors which determine the effectiveness of a seat system in limiting spinal injury during vertical impacts between the rider and the snowmobile seat system. The document is intended to provide a tool for the development of safer snowmobile seats. It is recognized that the seat is only a portion of the entire vehicle protective suspension system. It is, however, usually required that the seat serve as added protection to the suspension system, since the latter may "bottom out" during a severe impact. The term "seat" refers to the occupant-supporting system not normally considered part of the vehicle suspension or frame system. In some cases, it may include more than the foam cushion.
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

Measurement of Exhaust Sound Levels of Stationary Snowmobiles
2021-05-13
CURRENT
J2567_202105
This SAE Standard 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

Recommendations for Children’s Snowmobile
2021-04-27
WIP
J1038
This SAE Recommended Practice establishes the test procedures, performance requirements, and criteria necessary to evaluate minimum safety and reliability requirements of a children's snowmobile as identified in 1.2.
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

Snowmobile Brake Control Systems
2021-01-27
CURRENT
J1282_202101
This SAE Standard establishes a uniform testing procedure and performance requirements for a snowmobile brake control systems.
Standard

Recommendations for Children’s Snowmobile
2020-01-15
CURRENT
J1038_202001
This SAE Recommended Practice establishes the test procedures, performance requirements, and criteria necessary to evaluate minimum safety and reliability requirements of a children's snowmobile as identified in 1.2.
Standard

Maximum Exterior Sound Level for Snowmobiles
2020-01-15
HISTORICAL
J192_202001
This SAE standard 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

Dynamic Cushioning Performance Criteria for Snowmobile Seats
2018-11-14
CURRENT
J89_201811
This SAE Recommended Practice encompasses the significant factors which determine the effectiveness of a seat system in limiting spinal injury during vertical impacts between the rider and the snowmobile seat system. The document is intended to provide a tool for the development of safer snowmobile seats. It is recognized that the seat is only a portion of the entire vehicle protective suspension system. It is, however, usually required that the seat serve as added protection to the suspension system, since the latter may "bottom out" during a severe impact. The term "seat" refers to the occupant-supporting system not normally considered part of the vehicle suspension or frame system. In some cases, it may include more than the foam cushion.
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

Snowmobile Passenger Handgrips
2006-10-06
HISTORICAL
J1062_200610
This SAE Recommended Practice is intended to give information to engineers and designers in order that access to a passenger handgrip, when used, is easily obtained and that such handgrips offer maximum safety for a person at least as large as a 95th percentile adult male during snowmobile operation.
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

Maximum Exterior Sound Level for Snowmobiles
2003-03-07
HISTORICAL
J192_200303
This SAE Recommended Practice establishes the instrumentation, test site, and test procedure for determining the maximum exterior sound level for snowmobiles.
Standard

RECOMMENDATIONS FOR CHILDREN'S SNOWMOBILE
1992-12-01
HISTORICAL
J1038_199212
This SAE Recommended Practice establishes the test procedures, performance requirements, and criteria necessary to evaluate minimum safety and reliability requirements of a children's snowmobile as identified in 1.2.
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.
Standard

RECOMMENDATIONS FOR CHILDREN'S SNOWMOBILE
1984-10-01
HISTORICAL
J1038_198410
This recommended practice establishes the test procedures, performance requirements, and criteria necessary to evaluate minimum safety and reliability requirements of a children's snowmobile as identified in paragraph 1.3.
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