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This week we do some basic maths to work out how to best set up a 3-1 pulley system with some basic rope access gear.
Using an ID and karabiners is surprisingly inefficient, but how bad is it?
By Leigh5
44 ratings
This week we do some basic maths to work out how to best set up a 3-1 pulley system with some basic rope access gear.
Using an ID and karabiners is surprisingly inefficient, but how bad is it?

6 Listeners