Torsional Analysis of a Single Cylinder Gasoline Engine

C. Xykis; S. Seidlitz

doi:10.4271/901637

1990-09-01

Torsional Analysis of a Single Cylinder Gasoline Engine 901637

A torsional assessment is presented of a single cylinder gasoline engine crankshaft. An analytical mass-elastic model of the rotational system was constructed, and consisted of a flywheel, crankshaft, and pulley. This analytical model was correlated against a modal test. The correlated mass-elastic model was incorporated into a larger analytical model which simulated a running engine, and it was correlated against a running engine torsional test.

After correlation was established, the large analytical model was used in a parametric study of the crankshaft's torsional status vs pulley inertia. This parametric study revealed that the crankshaft was torsionally acceptable for any reasonable application.

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Torsional Analysis of a Single Cylinder Gasoline Engine 901637

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