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Tire Wear Improvement by Steering a Third Axle
ISSN: 1946-391X, e-ISSN: 1946-3928
Published September 13, 2011 by SAE International in United States
Citation: Williams, D., "Tire Wear Improvement by Steering a Third Axle," SAE Int. J. Commer. Veh. 4(1):1-12, 2011, https://doi.org/10.4271/2011-01-2148.
The conventional rear tandem axle of a three-axle vehicle produces a yaw resisting moment that adversely impacts vehicle performance. This work examines the effect of steering the rear axle on tire wear. Using actual vehicle test data, a tire wear model is developed. This tire wear model is then used to predict tire wear savings over an actual commercial vehicle duty cycle when the rear axle is steered. The result of this projection is shown to be consistent with reported third party field experience.
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