Girth and Clove at the Belay Station - Static and Dynamic Testing
Testing of the clove hitch and girth hitch when used at belay stations while rock and ice climbing. Invention and testing of the girth-x and clove-x knots (combinations of the sliding x and the girth / clove hitches). I believe the girth-x and clove-x hitches might be adopted by many climbers in the future. Dynamic and static pull tests (slow pull and drop tests) are presented.
This method of puting together belay anchors with the girth hitch is seen done by Orthovox, AMGA guides, ACMG guides, etc.
Intro: 0:00
How people use these: 0:50
Early tests by Walter Siebert: 2:33
Orthovox: 5:11
David Lottmann: 5:33
Brent Peters: 6:08
Ryan Jenks @HowNotToHighline: 6:31
NEW TEST results:
7:24 Intro to NEW tests
8:14 -- Girth -- (Static) 1.2 kN and 4 kN
11:14 -- Girth-X -- (Static) 8 kN
12:30 -- Clove -- (Static) 5 kN
14:38 -- Clove-X -- (Static) 8 kN Damage to the sling (hot!)
16:09 Intro to Dynamic tests
17:15 -- Girth -- (Dynamic) 3 then 2 (1) kN
18:22 -- Girth-X -- (Dynamic) 11 then 3 (1) kN
19:54 -- Clove -- (Dynamic) 5 then 3 (1) kN
20:24 -- Clove-X -- (Dynamic) 9 then 6 (4) kN Cut of the sling
20:39 Summary of results and discussion
23:08 conclusion and future work
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