Ice Climbing Ropes

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 mutt 05 Jan 2018
Can anyone illuminate me as to the difference between Beal Ice Line ropes such as http://www.beal-planet.com/en/cordes-a-double/16-cordes-ice-line.html and their similar Dry ropes such as http://www.beal-planet.com/en/cordes-a-double/17-cordes-cobra.html in how they might perform on ice climbs. My understanding is that non dry or ice ropes will pick up and retain water and thereby no fit into the belay device. However both these ropes have <1.5% water uptake as they have the core bonded to the sheath. Weight is not an issue as both ice lines and dry lines can be bought at 36g/m. Therefore to my eyes the dry is equally good to the ice for ice climbing or have I missed something in the spec?
Matt
 tehmarks 05 Jan 2018
In reply to mutt:

Ice Lines are really quite stretchy, which translates into a lower impact force on the gear - 4.9kN vs 6.2kN for the Mammut Twilight (skinnier, comparable weight). That said, the Cobras get 5.1kN, so there's really very little difference.

'Ice Line' is obviously just a name at the end of the day - people use them for trad, alpinism and all sorts.

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