/ Rappelling on a 70m half rope

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Ryan Hanney on 10 Jan 2017 - 207.228.78.247 whois?
I am wondering if it is possible to rappel on a 7.8 half rope for ski mountaineering?
jkarran - on 10 Jan 2017
In reply to Ryan Hanney:

Yes with appropriate consideration/mitigation of the risks, mainly: thin, icy ropes being very slick, 35m not being very far and thin ropes being less robust over edges than fat ones.
jk
Post edited at 16:13
oldie - on 10 Jan 2017
In reply to Ryan Hanney:

As a half rope is designed to hold a falling lead climber then its easily adequate for the the comparatively small load of an abseil if using a belay device appropriate to its thickness, especially when used double (taking precautions for iced rope, sharp edges as jkarran points out).
Ryan Hanney on 10 Jan 2017 - 207.228.78.247 whois?
In reply to jkarran:

Thank you very much!
Ryan Hanney on 10 Jan 2017 - 207.228.78.247 whois?
In reply to oldie:

Thank you very much!
UKC Forums - on 10 Jan 2017
This thread was started in the CRAG ACCESS forum and has now been moved.
Please could you try and post in the correct forum, it makes life easier for both users and moderators.

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pec on 10 Jan 2017
In reply to Ryan Hanney:

You may want to put an extra turn or two on your French prussic if you're using a thinner rope than normal.
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jimtitt - on 10 Jan 2017
In reply to Ryan Hanney:

Bit of a peculiar question really since climbers abseil on them all the time, I do.
Morgan Woods - on 10 Jan 2017
In reply to Ryan Hanney:

You could abseil on one...."rappelling", not sure.
1
David Coley - on 12 Jan 2017
In reply to Ryan Hanney:

If you are abseiling on just one strand you might like add some friction:

http://people.bath.ac.uk/dac33/high/10GettingBackDown.htm#addingfriction
Stu Tyrrell on 12 Jan 2017
In reply to Ryan Hanney:

As we only take two 50mm ropes sport climbing, we always ab on joined ropes, so that is the same as one rope doubled, we are careful with the rope over an edge and try to keep clear on any sharp rock, done this for years, but it only takes once I suppose. At least we hope not to go off the end..........

stu

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