Search Results for: efficiency

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 …

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

For Two Tension Dual Capacity Rope Systems Savvy Technicians: The Efficiency Schematic

So lately, I have been going through a type of transformation of sorts.  I will be honest… not all of the process has been fun and pushing through bias demons can be difficult, but with friends like Craig McClure, Jason Ilowite and Rich Delaney… the sojourn has been rewarding.  Bear in mind that a sojourn …

For Two Tension Dual Capacity Rope Systems Savvy Technicians: The Efficiency Schematic Read More »

Staggering Your Rigging Anchors Increases Efficiency But At What Cost?

Staggering rigging anchors is a perfect way to spread the mechanical advantage system over a broad area, while at the same time, using the area very efficiently.  The goal is to get as much “throw” as possible and to limit resets.   There are numerous ways to do this and these are only two of the …

Staggering Your Rigging Anchors Increases Efficiency But At What Cost? Read More »

Tech Pick of the Week | Episode10 : Knot Strength and Efficiency

  It’s important to know your gear and the way it handles different situations and scenarios. More often then “knot” a knot will weaken the overall strength of a rope in a system. This video is an observation of three knots(two knots one hitch) and the way they function in terms of strength and their …

Tech Pick of the Week | Episode10 : Knot Strength and Efficiency Read More »

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 …

CMC MPD ~ Two Rope Offset ~ TTRS Read More »

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 …

CONFINED SPACE RESCUE WITH THE PETZL MAESTRO Read More »

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 …

Petzl Maestro – An Amazing Tool For Technical Rescue Operations Read More »

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 …

CARABINER HOW TO GUIDE: CHOOSING AND USING THE RIGHT CARABINER Read More »

Choice of Carabiners for Hauling Systems and Pulley Attachment

Choice of carabiners for hauling systems and pulley attachment Key issues and risks For hauling, the highest efficiency is desired, which is obtained by choosing efficient pulleys, but also by ensuring that the devices are ideally aligned or positioned. Requirements and needs differ depending on the situations and the equipment to be connected; there may …

Choice of Carabiners for Hauling Systems and Pulley Attachment Read More »

>