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Chockstone Forum - Gear Lust / Lost & Found

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Ripped daisy bartack 17-Apr-2012 At 12:12:37 PM mikllaw

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If you are always clipped into the same loop it could be simple wear. The stitching isn't in shear like a normal sling, but is being ripped open so most of the load is on the first line of stitching. I wonder if the stitching was able to be worn by the biner?

If you are doing a fall/energy/resultant load calc you can do it this way:-
energy = mgh (mass x gravity x height fallen)
E = 110 x 9.8 x 0.3 = 323 J

then work out what the distance (d) that energy was spread over (for short fallls include climber slump in their harness, for a short daisy and fat climber I'd guess that at 0.1m)

The averged force (there could be peaks in there also) = E/d = 3234 N = 3.2 kN