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Rave About Your Rack Please do not post retail SPAM.

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New rope, how skinny? 5-Sep-2012 At 10:06:26 PM rocksinmyhead

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Canyoned on Dave's 6 or 7mm (probably 7) static once or twice, way back when he was pushing for the lightest possible setup. Main worries were sheath wore easily, leading to stripping. Tried to keep it off the rock as much as possible, but even with a 20cm length of sheath missing it still held ok. Mind you, not much core left then, so was a bit unnerving. It also wore alloy carabiners like crazy, and was very fast with crab and piton.

But for a straight drop out of a tree, 6mm should be okay. Test it out first, especially as the speed/heat could be a problem with a hanging drop, and check if Perlon has a low melting point - I can't remember , but it rings a bell

You could also use Dave's "rule of thumb" for tree anchors - anything bigger than your thumb is okay.:-) Watch out for some of the gums though, they like to drop branches - i think the yellow gums are worst. Rig the abseil round the main trunk if you can. Or stay out of the trees. Happy flying!