Thread: Machines
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Old 04-28-2016, 07:02 PM   #9
The future is unwritten
Join Date: Oct 2002
Posts: 67,182
Never heard of these. Instead of steering skis, a steering track, kind of like four wheel drive. There is only one track and a complex system of bending it at the steering point. Probably didn't catch on because it's too complex.
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