20 kN
·
Sep 9, 2014
·
Unknown Hometown
· Joined Feb 2009
· Points: 1,346
Ray Pinpillage wrote: There are a few climbing clubs in this area that set up fixed lines and then have clients use prusiks as a top rope belay. I haven't heard of anyone falling but it matches the the OP scenario. Short of keeping your hand on the hitch there is not real way for the prusik to reliably lock. I assume they think the climbing is easy enough that the chance of a fall is minimal. Here is a video of someone using the technique. youtube.com/watch?v=Dp3bfcj…
Yea, that's pretty sketchy for guides to be putting their clients "on belay" with that method. At the minimal I would use two separate prusiks, but really a double set of Micro Traxions is far safer.
Ray, Bearbreeder, when you're done with the volleyball game, let us know. (Don't worry, I have it on a good source that they use "personal anchor systems" for the net). Alternatively, I don't know, meet up and fight.
You can listen to Kenny Loggins while you engage in fisticuffs
Revvin' up your engine Listen to her howlin' roar Metal under tension Beggin' you to touch and go.
On a highway to the danger zone these two guys are.
As to the OP, generally try to avoid situations in which a shock loaded prusik could likely end up having to make the difference between life and death. I can't see how that would be too difficult.
Royal Robbins improvised a dynamic prusik self-belay system to do the second ascent of Leaning Tower. Definitely a system in which "shock loading" could occur and certainly FF2 if he plunged right off the belay. Here is the excerpt:
"My system is working. The 11 mm climbing rope is tied to the bottom of the tree. I am attached to the rope by two prusik knots. These slip knots, made of 5/16 inch rope wrapped around my climbing line, slide easily up the rope but grip tight when weight is applied. Invented for ascending ropes, theyre also good Im betting for holding falls. One knot should stop me, but I use two, in case one fails. The prusiks are connected to my swami belt ten turns of 1 inch nylon webbing wrapped around my waist, making a wide band that will cushion a fall much better than would a single loop of rope." p27, To Be Brave, Royal Robbins
Good book. Much better than most internet forums ;)
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