My though was to have a device like this secured on the base of the tree, with a pulley at the tip, and the remote control on the rope end at the bridge in the same position as the hitch. Then ascend/descend and work position with no tail to deal with below the climber. What say you...
The Bone was tested by an EU gear company at 15KN for a period of 5 minutes with no damage to the Bone. That is not to say that it will bear 15KN, as indicated by a US rope manufacturer who tested the weight it would bear on various of their ropes. It bore anywhere from 250-650 lbs before...
I like the way the RRV opens up so easily to install the rope on and off the line. It is a shame that the attach point can be an issue, but that will be resolved. Will the wear parts be replaceable?