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Climbing Information:
Accident and Incident Analysis:
Re: [oetkb] Rope severed by worn carabiner at RRG, climber decks:
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jt512
Sep 28, 2010, 9:21 AM
Views: 2734
Registered: Apr 11, 2001
Posts: 21812
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oetkb wrote: The failure mode of a closed carabiner is different and a groove most likely serves only to lessen the ultimate breaking strength of the carabiner.
I don't think that it is a forgone conclusion that a moderately grooved carabiner is weaker than an an ungrooved one. Limited information from BD suggests that the point where the groove develops, the bottom of the carabiner's basket, is not where carabiners typically break in any common failure mode. So moderate weakening there may have no effect on the biner's ultimate strength. Of course, BD presents limited data on a single model of carabiner, so we should be careful about drawing hasty conclusions from it or generalizing it to other models of carabiner.
Jay
(This post was edited by jt512 on Sep 28, 2010, 9:41 AM)
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Post edited by jt512
() on Sep 28, 2010, 9:41 AM
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