Excerpt from Gear In Use 2: Techncial Rescue 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). Gear Within This Learning Lesson Petzl Maestro Petzl Jag System Petzl RollClip Petzl Rescucender 1. Examples of hauling with …
The I’D EVAC is a self-braking descender/belay device with the handle oriented to facilitate use on the anchor. Lowering with I’D attached to an anchor From Gear In Use 4: Rope Access and Confined Space With the I’D on the anchor, a person can be lowered to a workstation, or an injured person may be …
Excerpt from Gear In Use 2: Technical Rescue Inert suspension in a harness, even for a short time, can cause serious physiological harm. In case of an accident, it is important to intervene quickly with the appropriate technique. Self-rescue On sites where the main access could be cut off by fire, people must be ready …
Excerpt from Gear In Use 2: Technical Rescue MAESTRO and I’D allow for efficient hauling, releasing the lock at any time, and a controlled lower of the load. The two devices have different ergonomics and different specifications (working load and efficiency). Hauling The MAESTRO’s efficiency enables the effective use of simple pulley systems. If a …
Comparison between MAESTRO and I’D for a rescue using twin tensioned haul lines Read More »
Recommended Rope Systems ~ Two Tension Rope System (TTRS) Raise and Lower Two-Tensioned Rope System – Raise A Two-Tensioned Rope System shares the load between two ropes, both under tension. Each system is capable of functioning as both mainline or back-up to the other line. System System Benefits Maestro • load is distributed between two …
Recommended Rope Systems ~ Two Tension Rope System (TTRS) Raise and Lower Read More »
Technical Information ©Petzl Insights Into Carabiners Carabiners are rated in capacity by loading along the long axis. They have little strength when side-loaded along the short axis. Some offset carabiners, such as the modified “D” carabiner, help prevent side loading. Make sure to always load a carabiner along its spine (the long axis). Technical “use” …
©Petzl Technical Information ©Petzl How to calculate mechanical advantage A mechanical advantage haul system reduces the effort required to raise a load. The mechanical advantage obtained is based on the pulley effect. 1. The pulley effect If we consider a load suspended on a rope, the rope passing through a pulley above the user, with …
Ascenders and Clamps Technical Tips: How to calculate mechanical advantage Read More »
A mechanical advantage haul system reduces the effort required to raise a load. The mechanical advantage obtained is based on the pulley effect. 1. The Pulley Effect If we consider a load suspended on a rope, the rope passing through a pulley above the user, with the user’s hand holding the rope on the …
How To Calculate Mechanical Advantage with Petzl Gear Read More »
This is a repost from Petzl. These folks have it right! NOT A SINGLE PRUSIK IN THE SYSTEM Why one Utah SAR team transitioned to the MAESTRO SEPTEMBER 29 2020 ON-SITE RESCUE “Give us thirty seconds,” said Utah County Search and Rescue Incident Commander, Jared Hansen. Thirty seconds to transition from a raise to a …
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. …
