1965-02-01

Road Noise Control for a Car with a Tray Construction on Chassis 650027

This paper describes experiments to find the source of the road noise in automobiles and methods for correcting it. To find the major source of road noise, the time lag of the sound waves was measured. Characteristics of a tray frame construction car were found by comparing the vibration modes of its frame with those of body-frame and unit construction cars. As a result of experiments, it was found that the tray frame construction car combines desirable features of both body-frame and unit construction cars.

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