Rigging Lab Academy &
Rescue Response Gear Blog

Carabiners: Insights Into Choosing A Carabiner

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…

How To Calculate Mechanical Advantage with Petzl Gear

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…

NOT A SINGLE PRUSIK IN THE SYSTEM

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…

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…
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