Rave About Your Rack Please do not post retail SPAM.

Topic	Date	User
Busted Carabiner	9-Sep-2013 At 1:20:22 PM	BBSR
Message
Just curious, I can see in the example situations, line stretch, distance, climbers weight and sag specified.. It seems over-specified. Wouldn't the distance, sag and weight be sufficient for a static case ? I assume that the line stretch must be a 'pre-tension' figure, but not sure how this would be applied in a calculation to improve the accuracy. I get around 5.9kN for the 15M/0.5M/80Kg scenario. I am assuming half of the tape provides half of the vertical opposing force, with both adding together to 80*9.81 (if that makes any sense).

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