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LABORATORY INVESTIGATION OF THE MOBILITY OF PNEUMATIC TIRES IN COHESIONLESS SOIL,
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MISS
From the experience to date it can be stated that the test equipment, particularly the single-wheel test carriage, has made it possible to conduct rapidly a large number of soil-tire tests under a broad variety of controlled conditions. Some special tests have shown that the single-wheel data can be related readily to the performance of an actual 4x4 vehicle. The results of these tests show that a tires performance varies in a regular and systematic way in response to the three primary independent variables of soil strength, tire load, and tire deflection. In a particular test condition, the amount that a tire sinks and slips is related to the other test variables. However, except in a very general sense of the word, it has not been possible to correlate the performance data for all tire sizes and shapes by means of a single general expression. Author
Also included in Proceedings of the 1964 Army Science Conference, United States Military Academy, West Point, N. Y., 17-19 Jun 64, Volume I, AD-611 432.