Member content Archive
Many rope technicians are familiar with the option of using the long tail of a set-of-fours as an adjustable positioning lanyard. One very popular pre-configured system is the AZTEK kit which is built with components from Sterling
The Cats Paw knot is mainly used by anglers but is also occasionally used by riggers to shorten and attach a sling to a hook. The question raised here is whether this knot could be useful for rock
This image shows two possible hauling scenarios each using a Petzl IDs for progress capture. There are several ways to determine the mechanical advantage of this system but it is a good exercise to consider the following
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 monitor fast events, like drop tests, have
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 object stops. Put simply, the faster something
