Mechanical Advantage

New Technician Courses Just Released for Rigging Lab Academy

Hey all We just completed another 4 high level training courses within the Technician Level Cornerstone course curriculum. Force Multipliers Elevated Anchor Systems Horizontal Systems Midwall Pickoffs Midwall Pickoffs Midwall rescues can run the full gamut of rescue complexities. It can include almost everything from one or two people coming to the rescue of a …

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Think Smart and Powerful… Employ Multi Use Devices

Thinking smart is power.  Power is the ability to get things done with an element of Authority.  Authority carries with it a mantle of Responsibility.  Responsibility carries with it the need for planning and expected outcomes. The following is quick mini look at developing a mindset of “multiplicity”.  Manpower is expensive.  Equipment is relatively cheap …

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Dynamic Directionals-One of the Great Inventions in Rescue and Rigging

Dynamic Directionals (a type of offset) are useful in adjusting the main line and belay from above the rescue page or in some cases, from across a gap or chasm. The use of this system usually requires a fair amount of horsepower, at least a mechanical advantage of  6:1 or 9:1, but not always.  As …

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Mechanical Advantage- Calculation of MA with the T Method in a simple system

Hey all This is a quick trip through the classroom with Rich Delaney.  I had a few questions this week about properly determining any given mechanical advantage ratio.  We have some many great examples, so I pulled this video from the Rigging Lab Academy. course files.  Welcome to the T Method. The T-System for calculating …

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Rigging and Running A Two Rope Offset System

The following are notes taken from Peak Rescue Institute while on location in Joshua Tree National Park.  The scenario is a pick-off using an “offset” and more specific a “two rope offset system”.  I choose to keep the audio on this video as it really calls out the importance of communication.  Offsets provide an amazing …

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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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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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CSR2 Pulley System for Confined Space Rescue

CSR2 Pulley System for Confined Space Rescue In this video we review the features and efficiencies of the CSR2 Pulley System from CMC. Ideal for confined space rescues, the patented locking mechanism in the CSR2 Pulley is easy to release under load, creating much greater efficiency with lowering and raising. The patented locking mechanism in …

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