There is often discussion about the relative merits of carrying a knife on your harness. The reasons normally centre around freeing a “stuck” abseiler. The proposed use of the knife is
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
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
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
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