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
Technicians have always had a wide range of methods and reasons for tying-off descenders. Traditionally this was because they wanted to use both hands for another task and Munter-hitches, Figure8 descenders, and belay plates were not “auto-stop”.
You may use the calcuator below to calculate the force on a deviation anchor. You will need to input values for the deviation angle as depicted in the image, and the weight of the load.
You may use the calculator below to calculate the line lengths and tensions on the anchors in a two point system. You will need to input values for the horizontal and vertical distances between the anchors and