Design and Development of the Twister Testbed 690149

A new, high-performance ground vehicle known as Twister has been built and tested. The vehicle incorporates features designed to meet military needs for a substantial increase in cross-country speed, all-terrain mobility, and platform stability. The design of TWISTER is based upon a dual body joined by a unique pivot yoke permitting three degrees of freedom between the bodies. Significant departures from current practice have been made in the application of a dual power supply, individual walking beam suspension, coordinated Ackerman/yaw steer and unique tire design and application.Aspects of the Twister development program presented in this paper include the design and development of a full-scale testbed and the results of three years of test operations in both engineering and natural terrain environments.


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