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Topic Date User
climbing on a single half rope? 29-Apr-2011 At 2:37:10 PM climbau
A quick attempt at explaining minimum requirements. There are very specific test procedures prescribed. But the numbers are basically:

Static Elongation shall not exceed:
8% single ropes
10% half ropes
8% twin ropes
Using 80kg then 5kg then 80kg for all diameters length of test sample is specified and consistent across the rope classes.

Impact force shall not exceed:
12kN single ropes
8kN half ropes
12kN twin ropes

Test weights:
80kg single ropes
55kg half ropes
80kg twin ropes

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