Free content Archive
These online calculators have been recreated on the following pages. You can also find them under Reference Items in the Free Content. Converting Units of Weight Converting Units of Distance Converting Units of Temperature
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 Highline Tension Calculator Deviation Anchor Force Calculator
The re-threaded Alpine Butterfly knot is a very useful in-line, low-gain knot for direct tie-ins to closed objects.
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 on carabiners. It should be noted that