Over the edge: Hoisting from a better position
The one thing I always conclude whenever teaching and experimenting with hoists for improvised rescue is that they all suck. Z-pulley, 6:1, Spanish Burton, bla bla - all worthless. And think I am in venerable company when I make this claim. If you disagree, then you have never hoisted an incapacitated climber, heavier than thou, in complex terrain, over any distance. No Traxion allowed. Friction ruins all the fun It is a natural fact that it is easier to work with gravity and friction rather than against them, meaning we should always try to go downhill. Or just stay put and slam the panic button. Still, there are times when we really need to get an injured or tired partner up, notably in environments like sea cliffs, canyons, crevasses, etc. One big obstacle when hoisting, apart from that 110-kilo Godzilla at the other end, is the friction over the edge of the belay stance. This can be minimized if the anchor is built nice and high and the ledge is small. But on a big ledge an...