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Members: Derating for Knots

Richard Delaney August 18, 2015 Member content, Test Reports 8 Comments

It is common knowledge that placing a knot in a strand of rope effectively reduces the strength of the rope.  As roping technicians, our challenge is to be able to look at a system and undertake a critical analysis of each component and determine the overall system capacity.


Knot-Strength

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About The Author

Richard Delaney

Richard Delaney has worked professionally with ropes since 1992 as a multi-pitch rock-climbing instructor, technical rescue instructor and rope access technician. Understanding and teaching the Physics of Rigging is a core passion of Richard’s, one based on his experience, and his prior professional life as a qualified engineer.

8 Comments
  1. Steve Disick
    August 19, 2015 |
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  2. Dylan Jones
    August 19, 2015 |
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  3. Branko Blascak
    September 28, 2015 |
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