NASA NTRS · 19740014957
Two speed drive system
Abstract
A two speed drive system for a wheel of a vehicle by which shifting from one speed to the other is accomplished by the inherent mechanism of the wheel is described. A description of the speed shifting operation is provided and diagrams of the mechanism are included. Possible application to lunar roving vehicles is proposed.
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Burch, J. L.. 1972-07-25. Two speed drive system. https://ntrs.nasa.gov/citations/19740014957
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