19th March 1971, Page 34
19th March 1971
Page 34
Page 34, 19th March 1971
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Te Einitat Ocs By Paul Brockington, Mimeche
SMALL BORES FOR LOW NOISE While noise insulation can be effective, it is preferable to design noise out of the engine. The ISVR show how this can be done by using a larger......