I would assume its more likely that the top hit another tree and as the butt feel free the top came back on him. I worry and have had that nearly happen, never seen the stump kick back..
Thanks B for the pushing. IMO for rescue use the unit needs to be easily switched from ascent to descent so there is less fooling around transitioning gear whilst the victim bleeds out. The Wraptor IMO fits the needs of arborists and has proven to be a very reliable product, just not ideally...
We were trying to come up with an ascender that could ascend descend and be rated for 2 people. Its a tough nut to crack. We could easily do it with a Wraptor like hub to grip the rope and it would work fine for 2 people but it wouldn't have the 10 X safety factor of 6200lbs required as the hub...
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