The Last Unsolved Problem of Climbing Ropes @HardIsEasy
The Last Unsolved Problem of Climbing Ropes  @HardIsEasy
Uploaded May 2024 | Updated September 2026, 2 hours ago
Why is Cut Resistance of Climbing Ropes still an unsolved problem?
Science, Testing Methods and upcoming new technologies.

New Mammut Core Protect Ropes:
mammut.com/int/en/products/2010-04600
mammut.com/int/en/products/2010-04590

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00:00 Intro
02:00 History
05:05 Kernmantle Technology
07:54 Cutting the Rope under different Tensions
10:58 Dyneema / Aramid in Ropes
12:51 Testing Methods
16:01 Study on Microscopic Cut Patterns
18:06 Granite Edge Test
28:31 Belaying affect on Cut Resistance
32:31 Sharp Carabiner Test

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References:

Cut resistance of climbing ropes – A comparative analysis of existing measurement methods and a simulated accident - sciencedirect.com/science/article/pii/S1350630723008609

Michele Caminati's rope shears as he falls off Elder Statesman (HXS 7a) @teamBMCTV - youtu.be/K9Wzx-9JzsI
Old Climbing footage from Movie: "Encordades" - https://catalanfilms.cat/ca/produccions/encordades
Making Nylon @ Carleton University - youtu.be/b70Uirik82I
Glacier Training footage from @walterrossini - youtu.be/TkMDUGqiB4A
Cut Resistance of Ropes: Part 2 | EDELRID Knowledge Base by @edelrid - youtu.be/IL2r_f2g4Sw

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Camera & Assistance:
Jakub Novák, Marcos Torroba, Samuel Tuor

Animations:
Marcos Torroba, Ben

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And Special thanks to all good people supporting me via
patreon.com/HardIsEasy
or
hardiseasy.com

It makes a huge difference for my ability to continue making videos like this
Deep Thanks!
Ben

#climbing #science
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The Last Unsolved Problem of Climbing Ropes

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