1997-11-17

TORSILASTIC® Rubber Heavy Vehicle Suspensions 973231

ABSTRACT

Torsional rubber heavy vehicle suspensions have been used for over 60 years. The historical background makes an interesting engineering case study. A new simplified updated redesign of the system has been accomplished. It retains the long-life, relatively soft spring rate and roll stability advantages of the original design. Reduced adhesion stresses and a simplified vehicle leveling system are new advantages. Vehicle comparison testing with other suspension systems indicates significant improvement in ride comfort, stability and vibration reduction. Future designs will likely use new more sophisticated compression springs operating in combination with the torsional springs to further improve the ride.

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