Mechanical Advantage Systems For River Rescues

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Review your technique for creating mechanical advantage rope and pulley systems. Be prepared for river rescue situations! This video from Boreal River Rescue covers simple 3:1 (z-drag) and 5:1 and compound 9:1 mechanical advantage systems with rope to unpin boats and for use in transportation systems. See more information at Boreal River Rescue’s website.

 

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