Category: Caving

How much friction for your device?

How much friction for your device? Friction Testing

How much friction for your device? We were interested to know how much a lowering device can hold for rescue in particular and personal use. The testing is for practical use when out on a rescue, training or instructing a group about how much it can hold in relation to: the particular device the friction […]

Vlad to help – a master carabiner

Vlad to help – a master carabiner Vlad-wear-and-tear

Vlad to help – a replacement for the master carabiner Back in November 2018, I decided to purchase a Grivel Vlad and put it on my harness to see if it was going to be a useful addition. The Vlad could be helpful as a master carabiner for anchor station organisation for multiple clip-ins. There are […]

The American Death Triangle in the real world

The American Death Triangle in the real world

The American Death Triangle in the real world Recently (Feb 2018) I wrote a blog on the forces involved in the American Death Triangle. I questioned if there were some occasions we can use this style of rigging. Note: I would recommend reading this first article before diving into this one: American Death Triangle and […]

The American Death Triangle and driving on the wrong side of the road

The American Death Triangle and driving on the wrong side of the road

Have you ever been told never to use the American Death Triangle for 2-point anchor rigging as it has a pulley effect on the anchors and is considered ‘bad’ or is ‘dreaded’? In this article, we will consider the American Death Triangle in more detail and see what’s going on. What sparked my interest was […]

Baseline testing for lightweight rope rescue

Baseline testing for lightweight rope rescue

Baseline testing for lightweight rope rescue Making sure we have sufficient safety factor for 10mm rope and 7mm cord This article is about getting some hard data to back up a change in practice – using lightweight rope rescue systems. That is going from 11mm to 10mm rope for backcountry rescue and the associated change […]

Double Fisherman’s vs Overhand Rethread

Double Fisherman’s vs Overhand Rethread

Double fisherman’s vs. overhand rethread Tying Prusik loops with a bend for your Prusik Minding Pulley For tying Prusik loops I have always used the double fisherman’s bend. However, the double fisherman’s is bulky and as a result, never sits quite right on the body of the Prusik Minding Pulley (PMP). I decided to try […]

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, Redundant, Angles, Distribution, Shockload They are all basically variations […]

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