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18630 clicks; posted to Main » on 25 Mar 2013 at 8:08 PM (4 years ago)   |   Favorite    |   share:    more»

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As a math teacher I look forward to using this story the next time some smart ass kid asks me why he needs to learn math.
Ahem...

Please please please don't mess with rare stone formations. You'll farking break it one of these days and we lose the rare novelty.
Was only a matter of time before this happened. Soon as that original Youtube video dropped it was obvious where it was leading.

Mithiwithi: More likely he measured, say, 135 feet of rope on the ground and failed to account for it stretching by more than 5 feet under load.

Still, ouch.

135 feet of dynamic kernmantle can stretch about 20% under load, which would be an additional 27 feet. Generally that happens only on a long lead fall. But on a swing, the initial shock loading while not perceptible might still stretch it significantly, from which it won't recover during the entire arc.

PSA:  Climbing rope is for climbers, so please stay the f*ck away from it if you don't know how it behaves. Gravity behaves differently on the wall than it does in Mountain Dew commercials.

AsprinBurn: I haven't watched the video, but I assume folks were trying to outdo each other by progressively getting closer and closer to the ground. So he wins?

Yup.

More likely he measured, say, 135 feet of rope on the ground and failed to account for it stretching by more than 5 feet under load.

Still, ouch.
YOLO'd.

I LOL'd.
 1 vote:
YODO
 1 vote:

ZeroPly: Mithiwithi: More likely he measured, say, 135 feet of rope on the ground and failed to account for it stretching by more than 5 feet under load.

Still, ouch.

135 feet of dynamic kernmantle can stretch about 20% under load, which would be an additional 27 feet. Generally that happens only on a long lead fall. But on a swing, the initial shock loading while not perceptible might still stretch it significantly, from which it won't recover during the entire arc.

PSA:  Climbing rope is for climbers, so please stay the f*ck away from it if you don't know how it behaves. Gravity behaves differently on the wall than it does in Mountain Dew commercials.

no way in hell i'd do that. had too many broken bones & what not already, fine by me if I'm a chicken. I'll applaud those who do, the way I applaud those who go swimming with great whites. thanks for pushing the boundaries for the species.
 1 vote:
Measure twice, jump once...
 1 vote:

DenisVengeance: Math is hard

Math is easy, but I'm sure the ground was hard...
 1 vote:
It turned out Utah was his [puts on sunglasses]...

arch enemy.

Yeeeeeeaaahhh!
 1 vote:
Hey Pancake, remember climbing ropes stretch when put under tension.
 1 vote:
good.
sacred arch is sacred.
 1 vote:

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