1969-02-01

A Model Study of Automobile Collisions 690070

It was found by dimensional analysis that the vehicle motion during and after collisions may be studied with scale models, in lieu of full-size automobiles. The scale models were designed to exhibit the same coefficients of restitution and friction between the vehicle bodies in collision and the same coefficient of friction of tire on test surface as full-size automobiles. Post-collision motions of the model vehicle well duplicate those of corresponding full-size automobile tests, resulting from similar impulse exchange in collision.

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