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 …
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 …
Understanding and Using ClimbTech’s Removable Anchor Bolts Read More »
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 …
PETZL CARABINER HOW TO GUIDE: CHOOSING AND USING THE RIGHT CARABINER Read More »
Pulleys are used to haul up equipment or raise a person in a rescue situation. Some of them can be combined with a rope clamp to facilitate maneuvers, others allow movement along rope or cable. A quick, down and dirty way to categorize the types and or styles of pulleys, but first!!! Here is a …
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 …
Drop loop haul on the PETZL MAESTRO for urgent rescue Read More »
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 …
Team Rescue Techniques for Hauling and Lowering with Petzl Maestro Read More »
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 …
Pulley system efficiency tests with Petzl Maestro, I’d S, Pro Traxion and RollClip Read More »
This piece is from the RLA course Highline Sections with Tom Woods What we’re going to look at next is the actual anchoring system for the Highline that we’ve just done. It’s a little bit unique setup in that we’ve done all of our anchoring for everything off of removable bolts. Given the area where …
Skate blocks are about the most amazing and versatile system known to rigging. Why? Low overhead. Low risk. High functionality. Super bomber! The question that most people have is, “Is it complicated?” No… Not at all. You can’t over tension this system. Take a look. Transcription from Conversations in Rigging Hi, I’m Richard Delaney …
Equipment Overview: Petzl I’D (Excerpt and transcription From RLA 5 Day Advance Online Course) We just showed the other end of the haul system where we had the RollClip and the Tibloc. At the progress capture anchor end, we decided to use the Petzl I’D. There are lighter options out there; even later this …
