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SAE J1287_198806

Заменен
MEASUREMENT OF EXHAUST SOUND LEVELS OF STATIONARY MOTORCYCLES
This document establishes the test procedure, environment, and instrumentation for determining the sound levels of motorcycles under stationary conditions. This test will measure primarily exhaust noise and does not represent the optimum procedure for evaluating total vehicle noise. For this purpose, SAE J331 or SAE J47 is recommended.
Тематика
Noise
Tests and Testing
Exhaust systems
Two or three wheeled vehicles