E5 - Are bowlines Safe Enough for Rope Rescue?


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0:20 Are bowlines safe enough for rope rescue?

4:00 What makes a rescue knot a good knot?

7:30 What testing has been done and how strong are bowlines?

12:35 How do you define a bowline?

14:30 Is there a standard test for knots for cyclic loading?

16:40 Difference between a climbing knot and a rope rescue knot?

17:15 Anecdotal story of a bowline on a coil slipping without a safety knot.

19:17 Safety knots.

24:40 Organizational alignment.

26:50 Standardized and reproducible testing.

34:40 Mis-tied bowlines.

35:40 Why do we call it a bowline on a coil?


1:11 Kelly Byrne, ITRS 2019, Boutique Bowlines http://itrsonline.org/wordpress/wp-content/uploads/2019/10/Byrne_Boutique-Bowlines.2019.pdf

12:40 Mark Gommers, Analysis of Bowlines can be found at http://www.paci.com.au/knots.php

13:30 International Guild of Knot Tyers IGKT https://www.igkt.net/

37:15 Ashley's Book of Knots https://www.google.com/books/edition/The_Ashley_Book_of_Knots/QaSBVuPK9H0C?hl=en&gbpv=0

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Important Warning:

  • Many of the activities discussed in this podcast pose a very substantial risk of serious injury or death.
  • Products and techniques discussed in this podcast are intended for use by specially trained professionals.
  • Technical rescue, rappelling, climbing and the training involved are very hazardous activities. Each situation has its own unique conditions and must be evaluated by those present. Effective risk management comes from experience, proper training and good personal judgment.
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  • Topics discussed are the ideas and opinions of each individual.
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