Snowmobile Noise (Classic Reprint)

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Excerpt from Snowmobile NoiseThe snowmobiles used as test vehicles were obtained from volunteers at the Lolo Hot Springs, Montana, test site. This site is a papular point of embarkation for snow mobile trips. Twenty-five snowmobiles were tested over a period of a proximately 3 weeks. The test snowmobiles are listed in the results section in tab e I, p. 9 by make and model. No attempt was made to determine whether the machines tested were representative of the total snowmobile population in the country.Sound levels were measured at a distance of 50 ft from the snowmobiles for two reasons. The first was that it is the distance. Specified by the Society of Automotive Engineers sae ji92 test procedures, which is the most widely recognized measure ment method for snowmobiles. This is the best reference point to start determining the environmental impact from snowmobile noise. The second reason was to develop a winter snow test procedure and correlate it with sae ji9z. The latter is a care fully controlled Qualification test, not suitable for field use.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.