Forums: Climbing Information: Accident and Incident Analysis: Re: [jcrew] Rappel accident, 60' fall: Edit Log




wivanoff


Dec 26, 2012, 4:56 PM

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Registered: May 23, 2007
Posts: 144

Re: [jcrew] Rappel accident, 60' fall
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jcrew wrote:
marc801 wrote:
namoclimber wrote:
Is this a common practice to not use double rope rap when available.
In canyoneering, a double rope rap is almost never used except by the clueless. .

guess i'm clueless,......why the hell was he only on 1 wet strand of rope? why is it so cool to rap 1 strand in a canyon?

It's not that it's cool Wink

One reason is that there's less tangling. Imagine rappelling down a waterfall into a deep plunge pool with a big tangle of excess rope in it. Or tossing two ropes down a waterfall and having them get all tangled up before you start your rappel.

It's much better to lower one end of the rope to the correct length and block it so everyone rappels down that single strand. Once they get into the pool they only have a short length of rope to deal with and they can pull it through their rappel device and swim away. Last person down removes the safety, rappels single stand and either brings the rope bag down with him or tosses it off. Still less cluster than two long ends. AND less rope to pull down because you've set the rope length for the length of the rappel. Also allows for extra rope on top for rescue use if needed.

On longer rappels, you could use a full length of rope and a pull cord to save some bulk/weight. Once again, rappel on one strand and last person down takes care of the pull cord.

This is just one case. In another situation, you might decide to rap on a doubled line like we're used to in climbing.

But, I'm still not clear why you anyone would use a 70m rope AND a 70m pull cord payed out in buckets by the first person down for an 8m drop. Seems like you'd they'd have an awful lot of rope to pull down after rappelling.

Edit: spelling


(This post was edited by wivanoff on Dec 27, 2012, 6:11 AM)



Edit Log:
Post edited by wivanoff () on Dec 27, 2012, 4:42 AM
Post edited by wivanoff () on Dec 27, 2012, 6:11 AM


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