Oct 31, 2019 Reviving an old thread to say I've had the same experience. I bought an Arcteryx gore tex jacket in the late 1990s; around 10 years later the urethane zippers started to delami… View Message

Feb 19, 2017 I've seen a lot of different test results for multipiece fixed anchors, and see how unequal arm lengths reduce equalization. Do Beverley's tests come to different conclusions?… View Message

Feb 17, 2017 Have any of the tests of sliding vs. non-sliding systems looked purely at equalization based on unequal arm lengths? Some of the early tests that got people nervous about t… View Message

Feb 10, 2017 One reason I like using 7mm nylon for rigging anchors is its knotted strength. When we first started experimenting with the ACR we were concerned about the extension limiting k… View Message

Feb 9, 2017 I'm not attacking you, Jim, I'm asking the questions anyone would ask when thoroughly vetting an experiment. If I had a peer-reviewed paper in front of me, these are questions… View Message

Feb 9, 2017 You don't test an anchor like that; you sacrifice a virgin or large animal to it and beg for its mercy. View Message