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The quiet life
20th July 1989, Page 8
20th July 1989
Page 8
Page 8, 20th July 1989
— The quiet life
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• Working under a government support research programme, Perkins Technology of Peterborough has reduced the pass-by noise level of a Renault S56 50 series drop-sider by 6.7 dB(A) to 93 dB(A) at lm.
Perkins insulated specific components against vibration and modified the combustion of a prototype OHV90 unit based on the Phaser engine.