![]() ![]() A single exception to this outcome is with the quadruple overhand on a bite (30–35 %). Knots are shown to significantly (45–60 %) reduce the quasistatic strength of rope when compared to a manufactured sewn-eye (40 %). We quantify the effectiveness of various common knots to reduce dynamic loads in typical fall scenarios for which the systems are designed, and interpret this change in the context of rope strength reduction due to the knot. While energy absorption methods using rope deformation and/or accessory components have previously been evaluated, the ability for simple knots tied in the system to alter impact loads has not been studied in detail. Impact loads to the human body due to falls from height can be mitigated by well-designed and characterized fall protection systems.
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