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Top Rope Anchor
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Syd


Jul 2, 2013, 4:28 PM
Post #26 of 31 (639 views)
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Registered: Oct 25, 2012
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Re: [JimTitt] Top Rope Anchor [In reply to]
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Yes, I did see it Jim and yes the pic wasn't appropriate. A good link BTW.


(This post was edited by Syd on Jul 2, 2013, 4:29 PM)


leapinlizard


Jul 2, 2013, 7:33 PM
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Registered: Jul 14, 2004
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Re: [Mark_25] Top Rope Anchor [In reply to]
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Why not just tie a bowline around each tree, then a BHK over the edge, then with the slack you would have a nice working line to use for raps. Seems like everyone is making this a lot more troublesome than it needs to be.


knudenoggin


Jul 3, 2013, 9:21 AM
Post #28 of 31 (588 views)
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Registered: May 6, 2004
Posts: 594

Re: [sittingduck] Top Rope Anchor [In reply to]
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sittingduck wrote:
curt wrote:
sittingduck wrote:
[image]http://home.no/sittingduck/basictoprope.jpg[/image]

Looks good to me, but (assuming you have enough rope) it wouldn't hurt to wrap the rope around the left tree too. It distributes the force and is easier on the tree.

Curt

Absolutely!
... NOT : the eyeknot on the left puts half its tension into
each eye leg, to either side of the tree, with limited stretch
in the line from both this halving of tension and the limit
of material to stretch; whereas, in contrast, the "tensionless
hitch" on the right with all those gratuitous (looks good?) wraps
will deliver full tension to one side of the tree and will move
more under load both for this and all of the available wrapping
to contribute to its elongation --that's the rub!
(And yet, people keep asserting benefits for it!?)

In reply to:
Talking about rope length, what would you do if the rope on the right tree was to long to practically tie a fig eight follow through?

Goodness, and you can also see how the knot was tied?!
The simplest way to tie a fig.8 eyeknot is with a bight, nothing
followed through.

As for two locking 'biners opposite & opposed : meh, non-locking
is fine, if you're able to keep your eye on them.

*kN*


JimTitt


Jul 3, 2013, 9:57 AM
Post #29 of 31 (582 views)
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Re: [sittingduck] Top Rope Anchor [In reply to]
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sittingduck wrote:
JimTitt wrote:
Im not a professional top-roper!

The illustration is taken out of context from a piece about top-anchors for people bolting routes from the top and is not how I would teach anyone to set up an anchor for climbing. Specifically we require the central karabiner to be before the edge so we can abseil over and then arrange a re-belay where the rope hangs without rubbing on anything and the attatchment point is in sight of the person on the rope.

Have removed the ref to your useful material.

Thanks for that.
While no doubt you posted with the best intentions unfortunately it was inevitable that people would start (as Syd did) to criticise aspects of the setup without knowing it was nothing to do with the topic in hand which makes me look like a fool at best, at worst some beginner might think it is the right way to do things.


sittingduck


Jul 3, 2013, 3:10 PM
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Registered: Aug 19, 2003
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Re: [knudenoggin] Top Rope Anchor [In reply to]
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knudenoggin wrote:

Goodness, and you can also see how the knot was tied?!
The simplest way to tie a fig.8 eyeknot is with a bight, nothing
followed through.

*kN*

I made the drawing so yes, I know how it was tied.

How do you tie that without a fig 8 follow through?


knudenoggin


Jul 4, 2013, 10:27 AM
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Registered: May 6, 2004
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Re: [sittingduck] Top Rope Anchor [In reply to]
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sittingduck wrote:
knudenoggin wrote:

Goodness, and you can also see how the knot was tied?!
*kN*

I made the drawing so yes, I know how it was tied.
How do you tie that without a fig 8 follow through?

Okay, "touche'" on this; I must've presumed the typical
(locking!) 'biner connection between eye & mainline.
(Yes, one could tie the eyeknot with/in a/the bight,
then wrap the line, then pull it through the eye --only for
the FIRST anchor point.)

Unsure

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