Technical Articles | Anchors Part 1 This will be the first of a two-part series on anchors. This section, purposely, will not include situations that necessitate vehicles, pickets or other such portable anchors. Nor is the series meant to be an exhaustive source of information… there are numerous books on this subject. If you have …
The use of elevated anchors, i.e. high directional anchor systems, is a mandatory requirement of NFPA 1670 for rope technicians. Having said this, it is impossible to discuss one facet of rope rigging and not address all the many other aspects at the same time. A rope system is like a living breathing thing; like …
So what is a bombproof anchor much less one using an artificial high directional such as the Arizona Vortex Multipod? This question appears to stump, confuse and even frustrate many a rescuer and rigger. When it comes to high directionals, the complexity is even more concerning. It really shouldn’t though. Bombproof anchors have really two …
Elements of Rigging – Bombproof Anchors – Anchor Considerations in Rope Rigging Systems Read More »
In our heads, we know that anchors are the most important part of any rigging or rescue system. We know that because it has been drilled into our skulls, but I would venture to say that the reasons for this is inescapably unclear for many. My goal here is to simply bring about a …
Why are Rescue and Rigging Anchors More Important than Anything Else? Read More »
Using removable Anchors for rescue and rigging are great… they really are. Why? As you’ll see in the video, sometimes options are thin and there is never a time when compromising anchors is part of the solution. These anchors (Removable Anchors by ClimbTech and PMI) can be removed and reused at any desired location. These …
Using Removable Anchors for Rescue and Rigging Are Great Read More »
An Excerpt From One of RLA’s Anchor Building Courses Selecting an Anchor Anchor Selection Anchor selection is a vast topic and could go on for hours, days, and even weeks. Excellent judgment, experience, practice, and insight all play a part in quality built anchors. I used the word successful because, honestly, most anchors are never …
What if trees had ratings? What an amazing concept. John Morton, an engineer-scientist-visionary-technician, has been doing canopy studies for years and knows how they are affected by wind. Trees, whether alone or in community, are all influenced by wind and all have a certain “wind rating” to them. When SAR members show up on scene, and …
From John Morton for ITRS: Tree Anchor “Ratings” Based on Wind Loading Read More »
Petzl Coeur Pulse Removable Anchor System Okay. So we’re here just this morning to talk about the Coeur Pulse removable anchor and its installation. There are a few things we need to be careful of in order to attain maximum pullout strength. Any poor installation could result in no pullout strength at all. …
Marginal anchors in theory create a force out of many, but how should we present this diverse and sometimes controversial concept of anchor construction? This is an introduction to multiple back-ties and projecting the power of substantial anchors to a single focal point. Marginal anchors are generally considered independent anchors points that would not support …
Marginal Anchors | Anchor Considerations in Rope Rigging Systems Vol. 2 Read More »
Building Anchors with Spring Loaded Cams Pull Test Using Metolius Camming Units So we did some back yard testing and while what we found wasn’t particularly astonishing, it was never the less, very interesting. We purposely used some marginal placements with our Metolius camming units. Some more marginal than others. We found a range from …
Building Anchors with Spring Loaded Cams- Pull Test Using Metolius Camming Units Read More »
