Tuomas Pöysti, a good friend of RopeLab, has written this article presenting his thoughts on analysing pulley systems.
Apr 22, 2019
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Dual Main Rope Rescue Systems
There is a growing awareness of the benefits of dual main over the more traditional single main/single backup rope systems. Single main/single backup systems normally see the task undertaken using
Apr 21, 2019
Members: Big Alpine Butterfly
There are many ways to tie a single rope to a pair of anchor points. The two methods most commonly used are: the Alpine Butterfly & Figure-of-8 “Y-hang”. the Figure-of-8
Apr 5, 2019
Members: Alpine Butterfly as an end-line knot
Traditionally many have considered the Alpine Butterfly knot to be a mid-line knot rather than an end-line knot. This report considers its use as an end-line knot. You need to
Jan 9, 2019
Members: Fig8 tail length
There are so many opinions on just how much tail should be left when tying a Figure-of-8 on-a-bight, and whether it needs a separate stopper knot to secure the tail.
Nov 7, 2018