Mechanical Advantage Pulley System for Rope Rescue, Access & Rigging | Rock Exotica & Sterling Rope

Written By: Lance Piatt

 

This video discusses mechanical advantage (MA) pulley systems, covering in short detail a 3:1 MA. The 3:1 is the common foundation upon which more compound systems can be built. The addition of another prusik and another pulley allows for a 5:1 MA. Fairly quickly and easily, one can progress to a 5:1 Complex Crevasse MA… for more see video.

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