mechanical advantage Archive
Tuomas Pöysti, a good friend of RopeLab, has written this article presenting his thoughts on analysing pulley systems.
Several manufacturers make versions of passive belay devices that may be used in an auto-locking mode commonly known as “Guide Mode”. The first one I used was Black Diamond Equipment’s ATC-Guide. As a climbing instructor guiding clients
I purchased a pair of Petzl TibLoc “Ultra-light emergency ascenders” in 1999 when I was working as a climbing instructor. I liked the idea of a simple rope-grab that was compact and thus maximised the very short
Suspension Trauma There has been some new research looking at the onset of suspension trauma. This was presented at the International Commission for Alpine Rescue (ICAR) 2018 congress in Andorra. This was a study using human trials
There are many ways to tension the guy lines and anchor legs we use in our systems but I’d like to present the one I use most. I will start by mentioning that this works best with