Free Articles Archive
Technicians have always had a wide range of methods and reasons for tying-off descenders. Traditionally this was because they wanted to use both hands for another task and Munter-hitches, Figure8 descenders, and belay plates were not “auto-stop”.
Tuomas Pöysti, a good friend of RopeLab, has written this article presenting his thoughts on analysing pulley 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 a main rope with another backup rope
The term ‘redundant’ is used with roping systems however I often wonder how much thought is truly put into this concept. By definition, a redundant component of a system is one that is not needed. A system
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