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.
Torsional Analysis of a Single Cylinder Gasoline Engine
Sae Technical Papers
International Off-Highway & Powerplant Congress & Exposition ; 1990
1990-09-01
Conference paper
English
Torsional analysis of a single cylinder gasoline engine
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