Quote:
Originally Posted by terry.sc
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Using worm drives usually means you either have drive or it's locked, it's also useful to also be able to freewheel the back wheels on steep climbs, you use the front dig to stop the back end flipping the truck over while still freewheeling so the front end can pull the truck up. Braking the rear axle is used for extra tight steering and control on steep descents.
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I knew there must be some reasoning behind it! I am getting more and more tempted by these. There arnt any places near here that I can think of that would have many rocks though.