Two (Twin) Tension Rope Systems

A Quick Look at Two Tension Rope System and a Dynamic Directional Offset using Two Artificial High Directionals

The Purpose (Vision) We have always encouraged experimentation and creativity when learning.  I do my best to take the advice of people I respect.  The other day I sat in the studio thinking about some unused space we have and decided to build a test piece… a small slot canyon where a hiker needed to …

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Technical Rescue: The Importance of 15:1

(This article was originally run in Firehouse October 1, 2019) Russell McCullar clarifies whether 15:1 is still relevant and says that fire departments should select gear and load limits that meet their needs. All Photos by Russell McCullar Not long ago, I was explaining to one of my students that our training agency was undergoing …

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Parallel Hauls, Doubled Mechanical Advantage or Not?

Today at Rigging Lab Academy, we’re going to bust this myth that parallel mechanical advantage systems somehow add together and double mechanical advantage. There are arguments out there that two 3:1s side by side pulled on the same load are a 6:1, or two 5:1s are a 10:1. It’s not true, and we’re going to …

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For Two Tension Dual Capacity Rope Systems Savvy Technicians: The Efficiency Schematic

So lately, I have been going through a type of transformation of sorts.  I will be honest… not all of the process has been fun and pushing through bias demons can be difficult, but with friends like Craig McClure, Jason Ilowite and Rich Delaney… the sojourn has been rewarding.  Bear in mind that a sojourn …

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The Gear Used In the 5 Day Advance Workshop… Here Is The Narrative!

Can we  have an Ultimate Gear List for anything?   Of course not and we all know that.. For the skiers out there this is like the mythical “one ski quiver”… that one ski that floats in powder, crushes crud, carves trenches on the corduroy, and holds Killington blue ice like a 2×4 with chisel edges. …

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Two Tension System-Vertical and Horizontal Evacuation Part 1: In-Line 9 Using A Petzl Jag System Is An Easy Solution!

The other day I walked into the studio (Neverland) armed with one goal for the morning… build a system that is Functionality Efficient in Gear Efficient in People Efficient in Physics AHD Based Small Team Based One Person Load Very Reproducible Raise Only Based (but with a margin of error that allows for downward adjustments… …

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The 5 Day Advance Workshop Is Almost Here…

From Jason Ilowite… our instructor for this flagship course 5 Day Advance Workshop. So a little bit about the upcoming 5 Day Advance Workshop and why I think it’s important and valuable. I think the five day course addresses a problem that many of us, and I say us, I’m talking about fire service, rescue. …

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Two Rope Twin Tension Mini Offset… Backcountry Meets Fire Service

So backcountry meets fire service… sounds like a battle of some sort.  So while this “match up” is really neither epic nor epoch, this contest does have some interludes that hasn’t always faired well for either side. A while back, some well needed direction was given to the fire service in the form of recommendations …

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Industrial Skate Block Trackline System Upper Section (Part 1)

Hi, I’m Richard Delaney from Rope Lab in the Blue Mountains of Australia, and I’m working today with the Rigging Lab Academy. Today we’re working at Deschutes Brewery in Bend, Oregon. We are working with the same type skate blocks that we’ve been looking at in previous sessions, but this time we’re working in an …

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Tower Rescue Ground Control Twin Tension Skate Block

All right, this is the rescue scenario we’re doing right now is called a twin-tension skate block. We have a victim up top, once again, he is a compliant climber. He’s either fallen on his fall arrest device or sitting in his work positioning device, unable to get out of it, and he’s unable to …

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