We have been saying for years… “it doesn’t take 6 people to do a rescue”. Really! Two strong, smart and logical riggers (certainly no more than three) can do a raise and lower from just about any place. I think over the years, a near sided perspective and a lack of vision has kept thousands …
Winch Power, Artificial High Directionals and Human Curiosity Read More »
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 secured with two strands of rope. WARNING: before using this technique, make sure to minimize the risk of rub points or rockfall …
Drop loop haul on the Petzl I’D for urgent rescue, with Petzl ASAP Read More »
Fall Factor 2 Richard Delaney November 17, 2017 Free Articles 2 Comments In early 2016, I wrote a short piece on Fall Factors. It is published as the article, Fall Factor. It was a brief article with a standard definition and a discussion of each of the following scenarios. I am not certain when the term “Fall Factor” …
Fast Fours Mechanical Advantage System The Fast Fours is a simple variation on a standard set-of-fours. The difference is that the far end of the rope is not terminated on the becket of a pulley. Instead it is run through another progress capture pulley. This means that an operator can either pull on both ends …
My life is about to change The year is 1983 and we all felt super-powered. Each of had an itch to climb something big. We had a few days in our schedule so we figured, like many Portlandia people… hey!, let’s hike up Mt. Hood and ski down. Should be fun and we’d be back …
The Greatest Time For A New Opportunity Is When All Other Things Have Failed Read More »
The ZIGZAG mechanical Prusik allows the user to move around efficiently in a tree using classic Prusik pulley system technique. The linked rings provide precision and fluidity when moving around. The pulley is mounted on sealed ball bearings to allow the slack to be taken up easily. The steel construction offers great durability. ZIGZAG [EN] …
Petzl ZigZag Mechanical Prusik For Arborists and Tree Climbers Read More »
The Petzl Grillon lanyard is a position lanyard for working at heights. It can be used in two ways: • double mode, on the lateral attachment points of the harness, to distribute the weight on the belt (user has weight on his feet): length is adjusted by pressing on the pivoting cam) • single mode, …
The Petzl Ascension was designed for ascending and occasionally for hauling (progress capture). Its wide, ergonomic molded handle allows for a comfortable yet powerful grip. The toothed cam with self-cleaning slot is almost perfect under any conditions (e.g. frozen or dirty ropes). The lower and upper holes are designed for the Progress Lanyard and the …
How to Basic Ascent with the Petzl Ascension in a RAD System Read More »
CMC MPD… A belay device or a pulley system? The MPD from CMC is designed to be used as a belay device to arrest a falling load should the main line fail. A very common question we field is regarding the “shared tension systems”. Shared tension systems are essentially two lowering systems in place of …
This week on Tech Pick of the Week we focus on Personal Protective Equipment (PPE) specifically carabiners. It is always good practice to inspect your gear on the regular. Our tech expert Luke Bryan breaks down a few key elements to look into while inspecting your carabiner cache. Before beginning inspection on your carabiner make …
