Okay...so an older thread (and my carabiners) got me wondering...
If 25kN = 5620lbf directional holding force with gate closed along the long axis of a carabiner and 7kN = 1573lbf directional holding force with gate closed along the short axis of a carabiner then what is the directional holding force with gate closed of said carabiner attached to webbing when it's looped around a tree and clipped to the webbing? (For reference: http://www.tothewoods.net/HomemadeGe...eSupports.html)
The forces exerted on the carabiner, when used in the manner on Just Jeff's website, are neither perfectly directional along it's long or short axis. There is somewhat of an angle using this method. Difficult to measure and probably wouldn't be consistent due to different circumferences of trees...but logic would dictate the the directional holding force of the carabiner with gate closed would be somewhere between 7kN and 25kN, yes? Maybe not?
Since climbing carabiner strengths are measured along it's long and short axis, does a force exerted at an angle negate the force ratings since the carabiner isn't being used in a way in which it was designed for maximum protection?