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NOTES ON NOISE.

26th February 1914
Page 18
Page 18, 26th February 1914 — NOTES ON NOISE.
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Which of the following most accurately describes the problem?

An interesting series of articles has just been commenced in our contemporary " The Engineer," dealing with "The Noise of Motor Traffic : Some Notes on its Cause and Prevention." In his opening statement the author admits that. " the most casual observation is sufficient to make it evident that quite a large proportion of noise is caused by horse-drawn. vehicles and not by motor traffic." We, of course, must join issue with his statement that " at the present time a manufacturer is at liberty to turn out a. vehicle that may make almost. unlimited noise, and it is only the maker of the private passenger Cad who is compelled, by those whose custom he seeks, to make a careful study of the silent working of the vehicles made by him." Most purchasers of high. grade commercial vehicles nowadays demand a very, considerable standard of silence in respect of their machines, and, of course, it is absolutely necessan that passenger-carrying models should be particularly silent. The requirements in this respect, not only of Scotland Yard, but of watch committees and other authorities throughout the country, are nowadays far-reaching. We should like to make considerable quotations from the first of these articles, which is written in a fair-minded and constructive spirit, but. we must content ourselves with reference to it in general terms. We should like to have seen some mention made with respect to the relative noise of the moving tramcar—one of. he most noisy, if not the most noisy, of units, ki i)resent-clay street traffic.

There is a particularly neat retort to the would-be noisy mot:Jrcyclist in the following paragraph : " The motorcyclist will no doubt say that his is a compara e14

tivcly small vehicle, and that there is no room upon his machine for a huge. silencer; to which SVC would reply, if there is room for an engine to tarry the rider at 5 0 miles per hour or more, then certainly there is room for a suitable silencer for the exhaust of that engine. . . . It is difficult to avoid the conclusion that a noisy exhaust is actually a selling point in the case .of the motorcycle, as these vehicles are almost invariably noisy."

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Organisations: Scotland Yard
People: Cad

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