General Climbing Discussion

Topic	Date	User
Advice on half ropes	15-Jan-2013 At 1:31:37 PM	climbau
Message
The EN 892 Standard definition used to be (in 1996): Half Rope - Dynamic mountaineering rope, which is capable, when used in pairs, as alink in the safety chain to arrest a person's fall. Twin Rope - Dynamic mountaineering rope, which is capable, when used in pairs and parallel, to arrest a person's fall. I think the 55kg test load is the nominated load to achieve 10% elongation in Half ropes and 8kN impact force in Half ropes as opposed to the 8% elongation in Singles and Twins and 12kN impact force in Singles and Twins. But a physics type person may be able to answer that better.

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