1964-01-01

The Effect on Tires 640628

The increasing use of brake retarders in highway opera­tion has produced an interest in the effect of these retarders on tires. It was found that more dynamic slip and tire wear was produced on the retarder axle than with drum brakes on a given braking route, but the loss in wear during the re­tarding cycle was offset by a reduction in use of brakes on other axles.
Temperature buildup in tire beads indicated that repeat­ing braking cycles with drum brakes could produce tempera­tures damaging to tire components. The use of brake retarders eliminated this problem.
The characteristics of brake retarders appear more fav­orable to tire durability than drum type brakes.

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