In Track Lines and Guiding Lines: Forces Based on Point Loads in a Catenary, Stephen Attaway says, “The scope of this paper is limited to providing a better understanding of how to predict sag, tension, forces, and possible hazards.” This research was originally presented at the International Technical Rescue Symposium (ITRS) in November of 2013, …
T Method Applied To Mechanical Advantage Systems Using Rope Grabs. Calculating mechanical advantage: the T-system 1. Assume continuous strands of rope have the same amount of tension. If we start at the point where effort is applied and assume that we apply one unit of tension (1T) then we can assume that the tension along …
T Method Applied To Mechanical Advantage Systems Using Rope Grabs Read More »
This illustration features a climbing outing gone awry with a climber falling 60′ while checking the route at the edge before roping up. The Rescue Response Team responds employing a high angle raise with the Arizona Vortex side A-frame in tandem with a backboard immobilization lifting harness and litter to bring the fallen climber back …
Generally, these beauties are considered pre-rigged pulley systems used mainly for hauling, but can be very important in lowering heavy loads as well. The advantage of these systems is in their rapid deployment, and straightforward operation without advanced levels of training or expertise. They are low maintenance and high yield work horses and have been …
Jiggers Are Compact 4:1 Pulley Systems and are The Rigger’s Future Read More »
IT IS VITAL THAT THE USER BE ABLE TO DETERMINE THE DIRECTION AND THE MAGNITUDE OF THE FORCES ACT- ING ON THE FRAME. THE FRAME NEEDS TO BE ASSEMBLED, HOBBLED, GUYED AND OPERATED TO RESIST ALL FORCES WITHOUT ANY MOVEMENT OF THE FRAME AND ASSOCIATED EQUIPMENT. RECOMMENDATIONS FOR SETUP We highly recommend training for the …
General Guidelines To A Successful Operation of the Vortex Read More »
The Arizona Vortex is ideal for a wide range of applications, from access and egress to confined spaces, to the negotiation of complex edges in wilderness environments. The Vortex is the multipod of choice for professionals within the rescue, industrial rope access, construction, military, and entertainment rigging industries. A portable artificial high directional system with …
A Plate Full of Vortex! … A Potpourri of AHD Goodness Read More »
Excerpts from The Arizona Guidebook IT IS VITAL THAT THE USER BE ABLE TO DETERMINE THE DIRECTION AND THE MAGNITUDE OF THE FORCES ACT- ING ON THE FRAME. THE FRAME NEEDS TO BE ASSEMBLED, HOBBLED, GUYED AND OPERATED TO RESIST ALL FORCES WITHOUT ANY MOVEMENT OF THE FRAME AND ASSOCIATED EQUIPMENT. RECOMMENDATIONS FOR SETUP …
General Guidelines To A Successful Operation of the Arizona Vortex Multipod Read More »
Excerpt From The Arizona Vortex Guidebook – A Rigging Lab Academy Premiere Course IT IS VITAL THAT THE USER BE ABLE TO DETERMINE THE DIRECTION AND THE MAGNITUDE OF THE FORCES ACT- ING ON THE FRAME. THE FRAME NEEDS TO BE ASSEMBLED, HOBBLED, GUYED AND OPERATED TO RESIST ALL FORCES WITHOUT ANY MOVEMENT OF THE …
General Guidelines To A Successful Operation of the Vortex Read More »
Rock Exotica’s Omni-Block swivel pulleys combine a swivel with a pulley in a patented design that saves vertical height and lets you remove and install the rope while keeping the pulley attached to the anchor. These patented devices revolutionized pulley use when they were introduced in 2005. The Omni-Block combines a pulley with a swivel …
This is a really quick look at one of the many ways a tracking skate-block can be built and run. We often hear of folks looking for a easy way to get people from “top to bottom” without having to deal with the headaches of “the math”. And so while you’ll never be able to …
