Richard Delaney Archive
Sterling 5.9mm PowerCord Many companies manufacture small diameter, low stretch, high strength cord and these have mostly been marketed to rock climbers for setting multi-point anchors at belay stations. One such example is Sterling Rope’s PowerCord. The specifications
In mid-2015, an interesting rescue was undertaken in which a climber became stranded mid-descent with a prusik self-belay. Many of us have used and taught these systems, however this scenario was unusual and presents us with an excellent
Recently, RopeLab was approached by a student asking for help in carrying out some tests for his year 10 school science project. Tim had a good idea and we agreed to help. Watching his process and reading
Pulley efficiency seems initially like a simple thing to measure, however it presents an excellent opportunity to consider various aspects of experiment design. Experiment design At face value it would seem that we could simply set up
