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It occurred to me that the Unicender is safer to my knowledge as it slips like a hitch when dropped. Sean, like this you mean;) <object width="425" height="344"><param name="movie" value="http://www.youtube.com/v/l-YfHtREhl4?hl=en&fs=1"></param><param name="allowFullScreen"...

I need to look into this more. A lot of Co.s test their own gear and as long as you document it it is valid, however I still have yet to be told by any agency what standards they need to be tested to. However after much inhouse testing I am confidant they are the safest "mechanical" ascender...

Sean, just saw your post. I guess we could wrap a cable around the hub and pull till it broke to get its breaking strength, however as I stated I see little relevance to this test as the rope cannt ever exert that force. Thoughts anybody????

We cannt afford to have them rated at this point, however I can tell you that we did a lot of drop tests with them and due to the stretch in the rope were not able to get one to fail. On my test bed we pulled till 4250 at which point the rope jacket was severed, we are required by ansi to hold...

Wraptor ;) wont cut the rope at 700lbs force either.... I personally dont think those handled ascenders should be used in tree work as there is so much likelyhood of drops. 7 foot drop with toothed cam ascender can sever the rope:O (200lbs climber) and dont think that prussik backup is going...