Richard Delaney Archive
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
Rope climbing competitions have traditionally been a fun part of roping conferences and events. These events are simple. The fastest time recorded for climbing a defined length of vertical rope is the winner. Sometimes there are subtle
UPDATED: This is an updated version of a report, Members: Rope Stretch, originally published in 2015. Many new rope samples have been added as well as a brief discussion of the viscoelastic properties of synthetic kernmantle rope. Synthetic
In early 2016, I wrote a short piece on Fall Factors. It is published as the article, Fall Factor. It was a brief article with a standard definition and a discussion of each of the following scenarios.