Building a 4:1 Mechanical Advantage System Using Two Double Pulleys and a Prusik
“Alright, what we’re building here is a 4:1 mechanical advantage system—simple, clean, and efficient. We’re using two double pulleys and a prusik to get the job done. We’ll start with our anchor. This could be a bombproof point—say, a rigging plate attached to an artificial high directional or a tree if we’re in the field. […]
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