General Climbing Discussion

Topic	Date	User
Carrot failure @ Muline	29-Nov-2013 At 5:27:18 AM	Jim Titt
Message
The double-clip wedge bolts are from an idea by Fischer/Upat and taken up by Raumer. The concept is that the clips are spaced to conform to the size of aggregate used in concrete so the at least one will always engage in a piece of gravel and not the cement which is hardly interesting for climbers. Fischer actually give slightly lower values for this design but this is pretty irrelevant, they don´t seem to work any better in soft rock in our experience and tests anyway than the normal simgle-clip variety.

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