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Snowmobile Brake Control Systems

Snowmobile Technical Committee
  • Ground Vehicle Standard
  • J1282_201902
  • Current
Published 2019-02-27 by SAE International in United States
This SAE Recommended Practice is intended to provide the minimum acceptable criteria for snowmobile hand brake control systems. This recommendation is not intended to cover competition vehicles, nor is it intended to limit development of new and/or improved technology in controls. Although these recommendations are primarily addressed to hand control systems using an outer flexible conduit with a multiple strand inner cable or hydraulic type brake control system, the basic requirements of freedom of movement, strength, material, etc., will apply to any system.
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Maximum Exterior Sound Level for Snowmobiles

Snowmobile Technical Committee
  • Ground Vehicle Standard
  • J192_201901
  • Current
Published 2019-01-23 by SAE International in United States
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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Dynamic Cushioning Performance Criteria for Snowmobile Seats

Snowmobile Technical Committee
  • Ground Vehicle Standard
  • J89_201811
  • Current
Published 2018-11-14 by SAE International in United States
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. This document provides the minimum requirements for performance of a general seat system, and a description of specific means of evaluating the shock-absorbing characteristics of foam seat cushions using a specific testing procedure and a companion seat evaluation chart. The test input and means of interpreting the results are unique to the seats of typical recreational…
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Brake System Test Procedure - Snowmobiles

Snowmobile Technical Committee
  • Ground Vehicle Standard
  • J45_201811
  • Current
Published 2018-11-14 by SAE International in United States
This SAE Recommended Practice establishes a uniform procedure for the level surface testing of hand-operated brake systems on recreational noncompetitive snowmobiles.
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Sound Level Determination for Snowmobiles under Typical Trail Operating Conditions

Snowmobile Technical Committee
  • Ground Vehicle Standard
  • J3120_201810
  • Current
Published 2018-10-09 by SAE International in United States
This SAE Recommended Practice establishes the method to determine Sound Level of a snowmobile under typical trail operating conditions. Snowmobiles have different engine power levels that depends on the model.
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Snowmobile Drive Mechanisms

Snowmobile Technical Committee
  • Ground Vehicle Standard
  • J1279_201806
  • Current
Published 2018-06-12 by SAE International in United States
This SAE Recommended Practice is applicable to snowmobiles as defined in SAE J33.
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Operational Sound Level Measurement Procedure for Snowmobiles

Snowmobile Technical Committee
  • Ground Vehicle Standard
  • J1161_201711
  • Current
Published 2017-11-29 by SAE International in United States
This recommended practice establishes the instrumentation, test site, and test procedure for determining the exterior operational sound level for snowmobiles.
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Snowmobile Definitions and Nomenclature - General

Snowmobile Technical Committee
  • Ground Vehicle Standard
  • J33_201707
  • Current
Published 2017-07-21 by SAE International in United States
This SAE Recommended Practice sets forth accepted definitions and terminology of major components and parts peculiar to snowmobiles. Illustrations have been selected to identify functional characteristics and to identify common mechanisms. They are not intended to show all existing commercial machines or to be exactly descriptive of any particular machine. These criteria were prepared to facilitate clear understanding and promote uniformity in snowmobile nomenclature.
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Tests for Snowmobile Switching Devices and Components

Snowmobile Technical Committee
  • Ground Vehicle Standard
  • J68_201704
  • Current
Published 2017-04-04 by SAE International in United States
This SAE Recommended Practice covers standardized basic tests, test methods, and requirements applicable to electromechanical switching devices which may be used on snowmobiles as defined in SAE J33.
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Brake System Test Procedure - Snowmobiles

Snowmobile Technical Committee
  • Ground Vehicle Standard
  • J45_201608
  • Historical
Published 2016-08-09 by SAE International in United States
This SAE Recommended Practice establishes a uniform procedure for the level surface testing of hand-operated brake systems on recreational noncompetitive snowmobiles.
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