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Chockstone Forum - General Discussion

General Climbing Discussion

Topic Date User
Fixed gear guidelines in the Grampians 23-May-2018 At 7:55:13 PM mikllaw
On 23-May-2018 Dave_S wrote:
>Not sure if Mikl's done any similar testing, but the VCC commissioned CSIRO
>to pull-test fixed hangers and hangerless bolts back in 1999. The hangerless
>bolts all experienced total failure of the bolt plate at 10-12kN in axial
>(outward) pull, and 16-20kN in radial (downward) pull.

Very similar results. Not too concerning unless you're hoping to meet the UIAA spec of 25/25 kN. I think the only issue is the occasional unconnecting of the plate from the bolt with modern small biners.

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