Browse Standards J3120
WIP 2012-01-17

Sound Level Measurement Procedure for Snowmobile under Typical Trail Operating Conditions J3120

This procedure should be used to determine the average sound pressure level that a snowmobile would generate during typical trail operation. It consist of averaging a steady vehicle speed SPL with a wide open throttle acceleration SPL together. A weighting is performed on both SPL prior to averaging. The weighting is based on a study on the vehicle speed, engine speed and engine load observed during typical trail use of a snowmobile.
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