These calculators have been recreated on new pages. They apply the same formulas. Find them through these links, or under Reference Items in the Free Content. Two Point Anchor Calculator
Load Cells have been used for decades to measure tension in many situations however most of the user friendly units, like crane scales, simply monitor relatively static systems. The units used to
The re-threaded Alpine Butterfly knot is a very useful in-line, low-gain knot for direct tie-ins to closed objects.
People often ask what peak impact force can be generated during falls. Impact force depends largely on the mass and velocity of the object at impact and how quickly the
There is a standard language used in the technical specifications of carabiners but this is not well understood. This article is an attempt to clarify some common markings that appear