Monthly Archive:: January 2015
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
A simple on-line calculator to convert between common units.
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
These are three simple on-line calculators that can be used to determine the theoretical anchor loads in high-lines, span-lines, two point anchors, and deviations. Please note that units have not been specified and are not required. The output units