Pulleys & Mechanical Advantage

CMC MPD vs Petzl ID Using an Inside 9 Mechanical Advantage

The “Inside 9” gives a 9:1 mechanical advantage and no person is needed to tend the CMC MPD and the Petzl I’D functioning as the progress capture for the raising system and thus provide an easy transfer back to a lowering system. Other product included in video footage: Sterling 7/16 HTP HTP (hyper-tenacity polyester) is …

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Rescue Response Team CASE FILE N.013-A Plan takes Action

Two boys exploring a cave and one falls in. Our heros respond and deploy rope rescue gear and rescue techniques to successfully lower a medic to attend to the injured boy. They then raise the boy up out of the cave and transport him to an ambulance.  Now whether this is or isn’t what a …

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3 New Rescue Solutions from PMI

PMI is proud to announce three all-new Rescue Solutions for co-worker rescue!  Built around the winning combination of PMI Extreme Pro™ rope with UniCore® technology and the PMI/ISC D4 Descent Control Device, these three rescue solutions offer simple and compliant answers to some pretty difficult industrial rescue scenarios. A few years ago, we filmed (on location) …

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Horizontal Systems and the Gear Used Part 1

Hey All! I wanted to drop in some thoughts about the equipment used when rigging highlines and other horizontal systems for the purposes of work and rescue. Your anchors are the key… the greater the angle between two anchor points, the greater the stress will be on those anchors. It must be the goal of …

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Arizona Vortex Workshop Highlights… Great Fun Learning!

  Arizona Vortex Workshop Highlights…  Rescue Response Gear, in concert with Rigging Lab Academy, is in the process of building a  Arizona Vortex AHD video workshop. This quick clip visually describes an overview of a course we film a few years ago. The covered Easel A Frames with litter scoops using the AZTEK four to …

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Tech Pick of the Week | Episode 7 How to Rig for the Shot

Welcome to this weeks Tech Pick of the Week. Every week where our Tech’s break down an industry best product, tricks or tips. Last week we broke down a simple haul system for light loads. In this Tech Pick we had to rig our camera operator into a tricky place to get a clean shot. …

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Advanced Rigging Physics: Vectors & Mechanical Advantage (Trailer)-Richard Delaney

  This course covers the basic physics that apply to roping systems. This course should enable technicians to develop a deeper understanding and sound approach to problem solving. Considering force and tension as vectors and finding creative ways to apply these in the field makes it so much easier to define resultants and calculate mechanical …

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Determining Mechanical Advantage using the T-Method with an added Pulley on the Load

Calculating mechanical advantage: the T-system The subtle but significant difference to this system… a pulley on the load and the main line terminated at head of the tripod. We have a 6:1 mechanical advantage in the pulley system. 1. Assume continuous strands of rope have the same amount of tension. If we start at the …

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