Tag: Anchors

Why is a sling 2x the strength of a single strand?

Why is a sling 2x the strength of a single strand? single strand vs sling

What’s in this post? This post is about the theory and testing behind why making a piece of webbing into a sling is 2x the strength of a single strand. We address the specific question about tension on a single section of sling around a carabiner at the end and draw vectors to show what […]

Webbing anchors: efficient rigging and 16mm testing

Webbing anchors: efficient rigging and 16mm testing webbing anchor header

What’s in this post? The basics for webbing anchors:┬áSo you know why you are using webbing anchors, what to use, set up and four ways of rigging. How to rig webbing anchors efficiently: Get the right (minimum) webbing length, rather than halfway through a rigging job finding out you are short and have to start […]

Floating anchors: But what if the anchor blows?

Floating anchors: But what if the anchor blows? 2 point floating anchor carabiner pulleys

Introduction Floating anchor: but what if the anchor blows? Isn’t it going to rip the other anchor out? I hear this as a common statement quoted back to me when talking about a two-point floating anchor (aka self-equalising, magic X, etc.). I can only think it’s based on the assumption you have: Built or chosen […]

When anchor acronyms go bad

When anchor acronyms go bad Anchor acronyms

When anchor acronyms go bad There are a lot of anchor acronyms out there in the rigging, rope and rescue world. A few examples include: SERENE: Solid (or strong), Equalized, Redundant, Efficient, No, Extension ERNEST(A): Equalized, Redundant, No, Extension, Solid (or strong), Timely, (Angles) STRADS: Solid, Timely,┬áRedundant, Angles, Distribution, Shockload They are all basically variations […]

Anchor rigging: Getting a grip on pre-tensioning

Anchor rigging: Getting a grip on pre-tensioning

Anchor rigging: Getting a grip on pre-tensioning. For anchors a long way back from an edge, we often need to bring the anchor rigging and focal point forward to a better working position. An effective way to achieve this is by using multiple strands and pre-tensioning our rigging. When the load becomes live ideally there […]

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