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Topic	Date	User
Slackline - fatigue effects on biners?	15-Jun-2010 At 5:35:55 PM	alg
Message
one for the engineers/metallurgists... I'm putting together a slackline using some old biners etc, and was just thinking whether they'll be ok to use climbing again. The loads in a slackline should be under 3kN, peak loads reaching 6ish (max), but there's a fair bit of cyclic loading due to jumping/bouncing etc. is there any chance of fatigue failure? The biners are aluminium, and heavy scratching could be a factor... From what I can work out it should take 10,000,000 plus cycles but just thought i'd see if anyone had any thoughts.

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