A report considering the use of Screw Bolts in soft rock for temporary anchors.
Rope technicians have access to more instructional opportunities than ever before. Courses, books, online references, and videos mean that skills including speed rope ascents, passing knots, use of new devices, etc are now common. However, one thing
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Can we rely on devices to slip on ropes at predictable forces given the possible range of physical and environmental conditions? Here we test the Petzl Shunt on several different ropes.
Details of a set of tests on 6061-T6 aluminium cantilevered tubes assessing the relevance of theory to observed test results.