Members: Cantilevered tripod tubes
Details of a set of tests on 6061-T6 aluminium cantilevered tubes assessing the relevance of theory to observed test results.
pull tests Archive
Members: Old Slings (2)
A new set of tests checking the strength of some Nylon and Dyneema climbing slings which are more than 10 years old.
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 login to view the rest of the
Members: Fig8 vs Fig9?
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
Members: TibLoc Tests
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