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©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
A mechanical advantage haul system reduces the effort required to raise a load. The mechanical advantage obtained is based on the pulley effect. 1.
What if trees had ratings? What an amazing concept. John Morton, an engineer-scientist-visionary-technician, has been doing canopy studies for years and knows how they are affected
Excerpt From The Arizona Vortex Guidebook – A Rigging Lab Academy Premiere Course IT IS VITAL THAT THE USER BE ABLE TO DETERMINE THE DIRECTION
The learning process is fascinating to me. We are created unique in every area of our lives. Is it any wonder why every few years
Excerpt from “A Guide to Artificial High Directionals & Two Tension Rope Systems” To review, this simplest way to make sure it’s stable is to