ZimZam Posted October 30, 2013 Posted October 30, 2013 Here's a great video of Denali mountaineering Ranger Dave Weber explaining how to go from a 1:1 to having a 9:1 rope pulley system. Applicable in many instances. It's all about mechanical advantage. With props to Menno. [video:vimeo]http://vimeo.com/77274328 Quote
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