RRG Gear Review

CMC MPD ~ Two Rope Offset ~ TTRS

CMC MPD ~ Two Rope Offset ~ TTRS The MPD allows you to go from lowering to raising without changing hardware. More than nine years of research and development went into the patented Multi-Purpose Device (MPD), which features major innovations in advanced technical hardware for rope rescue professionals. The MPD’s high-efficiency pulley, with an integral …

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CONFINED SPACE RESCUE WITH THE PETZL MAESTRO

The PETZL MAESTRO is a descent control device with an integral progress capture pulley for technical rescues. Additional MAESTRO benefits include:  Shifting from a haul to lower is immediate and efficient without having to transfer the load Can efficiently haul and lower heavy loads Serve as the primary or back-up system A small hole on …

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Understanding and Using ClimbTech’s Removable Anchor Bolts

Hi, my name’s Martin Barnett. Today we’re going to talk about removable bolts or RBs. This is a removable bolt from PMI that is half-inch and it has a minimum breaking strength of 12 kilonewtons. The largest size is three-quarter inch has a minimum breaking strength of 5,000 pounds or 22 kilonewtons. Depending on what …

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Petzl Maestro – An Amazing Tool For Technical Rescue Operations

PETZL MAESTRO (Small and Large) is a descender designed for technical rescue operations. It facilitates the manipulation of heavy loads, for lowering or hauling, and may be used in both the primary system or in a back-up belay. This versatility allows rescuers to adapt to any situation they may encounter on the rescue scene. The …

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The New Arizona Vortex Guidebook Video Course

The Arizona Vortex Guidebook Video Course On behalf of Rigging Lab Academy, I’m Rob Stringer and I’d like to welcome you to our instructional series on the Arizona Vortex. So the user manual and the video series are set up to enable you to use the Vortex and set it up in basic configurations. Basic …

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CARABINER HOW TO GUIDE: CHOOSING AND USING THE RIGHT CARABINER

Excerpts From Petzl Tech Tips When using equipment to belay or to maneuver, carabiners are a vital link in the safety chain. User safety often relies on a single carabiner. To avoid the risk of breaking or accidentally opening a carabiner, it is important to know how to choose and use them. Petzl designs carabiners …

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Drop loop haul on the PETZL MAESTRO for urgent rescue

In certain cases of extreme urgency requiring a very rapid response, the rescuer can access the victim by descending on one rope. Once the emergency has been addressed, upward evacuation can be done at a “normal” level of safety with two ropes.   Precautions prior to descent: Make sure to minimize the risk of rub …

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Team Rescue Techniques for Hauling and Lowering with Petzl Maestro

All maneuvers must be done on two independent rope systems. These two systems can work in parallel (two haul lines) or separately (work rope and belay rope). 1. Examples of hauling with work rope and belay rope. All hauling and positioning forces are concentrated on the work rope. The belay rope is set up and …

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Pulley system efficiency tests with Petzl’s Maestro, I’d S, Pro Traxion and RollClip

There can be a big difference between the theoretical efficiency of a pulley system and its actual efficiency. Here are test results from the Petzl lab. 1. Efficiency depending on the device used at the head of the system. The force required to raise a 100 kg mass was tested under several configurations with different …

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