1952-01-01

Engine Mountings and Torsional Vibration Dampers for Trucks and Buses 520211

THIS paper has been divided into two sections; the first, by Mr. Peirce, deals with the problems of engine mounting, and the second, by Mr. Robinson, deals with torsional vibration dampers.
The object of the paper has been to present: (1) the problems of engine mounting to obtain optimum performance with respect to smoothness, quietness, and the function of accessories and controls, (2) illustrations of the various types of engine mountings and their locations on truck and bus engines, (3) results of torsional tests on various types of engines and the torsional performance characteristics of commercially used vibration dampers on such engines, and (4) illustrations of typical torsional vibration damper designs applicable to commercial engines.
The authors hope that a discussion of the practical problems of both engine mountings and torsional vibration damper designs will contribute to a better understanding of the many problems that must be solved to maintain in the future the requisite standards of engine mounting and torsional vibration damper performance.

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