Re: [bill413] building a treadwall
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None of the Treadwalls use motors. From the site (emphasis mine)
"The Treadwall operates by the weight of the climber. There are no electric motors. A hydraulic brake controls the speed of descent and maintains the climber at the proper height. The Treadwall cannot move after the climber steps off."
(This post was edited by rgold on Dec 24, 2010, 3:41 AM)
