Ski ropes, skinny ropes, Rad lines, tag lines, whatever you want to call them, we are here to dive deep on ropes for technical ski touring. Ropes were among the first gear topics we dove deep on in episode 1 of the Gear Shed podcast, and we have continued to learn and evolve over the last…
The Skinny Rope Data Crunch
The beta and data on skinny ropes for ski mountaineering.
Rappelling in the Tetons. Photo: Billy Haas.
Responses
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Looking at your chart got me thinking that for a given weight/m, it’s favorable to have a *larger* diameter, all things being equal, as this makes handling and controlling friction easier. Compare the Petzl Pur (20g/m, 6mm) to the Sterling V-TX (20g/m, 5.4mm). The difference in diameter sounds small, but it’s over 10%. I’d be curious to see your friction numbers for the Pur if you get your hands on it. They have different sheath materials (dynema and poly respectively), which might have greater bearing. Still, it’s interesting to consider that as weight diminishes, one could imagine manufacturers using a different weave or material to increase bulk for weight. No doubt that in turn would affect stretch… a deep rabbit hole indeed.
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Excellent work Gavin!
It’s great to see many of the options compared.
I do think you have a rather low price listed for the Edelrid Rap Protect.
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