The Effect of Engine Mounting on Car Shake 590008

ENGINE mountings exercise considerable control on car shake, provided other major shake-affecting components are designed within a reasonable limit from optimum. Although they have very little effect on the overall static strength of a car, it is possible to make changes in the car's behavior by controlling the frequencies of the powerplant and the damping of its mounts.
The author discusses methods of reproducing shake in the laboratory: the stroking machines used to determine dynamic rates and hysteresis of spring members and the Buick mount testing machine for determination of dynamic rate and efficiency of mounts. He also mentions the effects of tuning and damping.


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