pull tests Archive
I have heard many justifications for the choice of a Figure-of-9 knot over the Figure-of-8 knot and they normally come down to: “Easier to untie after heavy loading”; “Stronger” (maintain more of the strength of the host
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
In 2015, RopeLab conducted some tests on Sterling rope’s 5.9mm PowerCord. I was interested in its use in anchoring and guying systems and wanted to see how it performed when knotted. The tests results are published in
We have had a good selection of 8mm nylon accessory cord for decades however these cords have never been seriously considered to be ‘ropes’ for technical rescue because they have had serious limitations in strength and abrasion
We often build anchor systems by linking multiple anchor points. There are many ways to do this, however one common technique involves clipping a long sling to each point and then combining each bight with a big
