Petzls Coeur Pulse removable anchor

Last year Petzl introduced a new anchor to the market; the removable Coeur Pulse.  This expansion anchor can be installed but then removed leaving nothing but the drilled hole, so clearly has the...

Fish Caves (Lead Mine) Anchors

For years now the anchors in Fish Caves have been concerning people, some being very wobbly!  As we needed to place the Radon monitors in the mine I decided to have a go at removing and replacing...

Cutting ropes under tension

As part of the work I’ve been playing around with on Tyroleans the question of how tolerant a rope is to abrasion when under tension has repeatedly been raised.  As an attempt to have a lit...