Fast Fours Mechanical Advantage System
The Fast Fours is a simple variation on a standard set-of-fours. The difference is that the far end of the rope is not terminated on the becket of a pulley. Instead it is run through another progress
Monthly Archive:: November 2014
Members: The Capstan Equation
The Capstan Equation is a useful tool for rope technicians to fully understand the behaviour of two materials moving against each other such as ropes and hardware. This article explores this equation and its applications for rope
Members: Managing Edge Friction
There are many improvised and proprietary options for both protecting ropes and managing friction over edges. Rope access technicians have opted historically for simple, light weight solutions that provide protection for: limited rope movement during edge transitions,
Rescue Tripods ‘Falling Over’
Rescue tripods ‘falling over’. Natural, improvised, and purpose built high directionals are used to manage loads over edges and through openings. They can make otherwise impossible tasks possible. There are now many proprietary solutions with almost limitless configurations that are
Members: Rigging Slings on Carabiners
Roping and rigging equipment compatibility. Industrial round slings are normally used to connect a load or anchor to rigging equipment via shackles. There seems to be an increasing tendency to use these round slings for rope based
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