Mountain Project: Forum: Special Gri Gri?

Special Gri Gri?

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By Richard Radcliffe
From Louisville, CO
Sep 23, 2009

Paul Davidson wrote:

I am wondering if that's a true statement. I'm not doubting Richard's veracity, just looking for actual evidence. Hence the interest in FF1 (or greater) falls. I have heard of ATC's running in high force falls. Not failing, just running for a bit.

No, it's not really true. The diameter of the rope is just another variable in the overall friction gestalt of the thing. Friction and ability to hold declines with diameter and each device has its own characteristics within that general framework. For a gri-gri, I suspect those characteristics are very different depending on whether one uses it like an ATC or relies totally on the cam.

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By Darren Snipes
Sep 23, 2009

I have used my bored out 11 year old gri-gri to simul rap an 8.8mm rope, it locks up 'til I am about halfway down, then I have to pay attention. BTW I tie back up knots in the end of the rope. With that said, I have belayed on a brand new 9.6 with fresh dry treatment on it, boy, it was eye opening how fast that rope wanted to go through. Best rule of thumb, use good judgement, and if you lack that, use a Cinch.

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By kevin fox
From parker
Sep 23, 2009

Andrew Caraballo wrote:

I was at an outing this spring for some climbing in Vantage, WA. My friends and I were climbing next to some climbers from BC and Quebec. After an hour of climbing the main french guy, who apparently is a sponsored climber, came over and looked at my 9.8 mm rope, then my Gri Gri then very arrogantly asked "is this a special Gri Gri?" My friends and I looked at each other confused. Then he went on to tell us we shouldn't be climbing on such a small rope without a "special Gri Gri". We went on the rest of the day without incident. My question is, is there some truth behind what he was saying? Or was he just being an arrogant know-it-all? I've never heard of a "special gri gri" for smaller ropes.

Doesn't this sound like the french canadians were fucking with a bunch of americans???? should have said that yes it was a special gri gri that used 20 weight ballbearings and gauze pad.. it's all gauze pad and ballbearing these days..

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By Red
From Arizona
Sep 23, 2009

The cinch is cheaper and works so much better for belay. I don't like it for rope soloing as much. Get and learn the cinch proficiently and you will be set.

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By Marc H
From Lafayette, CO
Sep 23, 2009

kevin fox wrote:

Doesn't this sound like the french canadians were fucking with a bunch of americans????

Yes.

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By Cowboy
From Osan AB, Korea
Sep 25, 2009

Buff Johnson wrote:

the specs are 10-11; but seen 9.5 dropped on it without consequence. He's right though, technically, you're out of spec. There is an industrial model for larger applications that has panic stops. Haven't seen one for smaller

Called an I'D, Petzl makes two sizes a Large for 11.5-13mm rope and a Small for 10-11.5mm rope.

I know, I'm a little late to the party, just wanted to throw the info in the thread.

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