"Rattle Meter" Quietens Cheap Cars
Taking tho rattle out of small ears is made easy, it is 3aid, by a new French invention, a “ rattle ’ meter, ” which detects foreign noises in a vibrating motor, transmission case, or chassis in the automobile factory. Developed for the automobile firm Citroen, which makes a laTgo part of France’s small cars, the novel device consists of a microphono, a radio amplifier, and an electric meter. Tho microphone is placed near the part of the car under test, and tho electric meter’s reading gives the exact loudness of the rattle, based on an arbitrary scale, for comparison with others. Sources of objectionable rattles can then be located and removed. Hitherto the only way to check up ou a car’s rattles was to give it a thorough road test. . For economic reasons this practice is possible only with high-priced cars. The new rattle meter promises the small-car buyer an automobile as nearly noise-proof as more expensive models.
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https://paperspast.natlib.govt.nz/newspapers/MT19310331.2.9
Bibliographic details
Manawatu Times, Volume LVI, Issue 5614, 31 March 1931, Page 2
Word Count
161"Rattle Meter" Quietens Cheap Cars Manawatu Times, Volume LVI, Issue 5614, 31 March 1931, Page 2
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