DRT

oceans said:
Your method will work very well in many cases, but what I keep finding is that the farther out to the edge of the canopy I need to go, the more I want 2 SRT lines. Using ponytail retrieval on one or both of the lines allows moving circumferentially around the edge of a crown where it was more radial before (center-out, center-out, and so on...).

Lately, I've been putting a Butterfly in the middle of my 200' KMIII, and locating my anchor line/work line connection up in the crown, just below the TIP. At that connection, I have the KMIII butterfly and the Tachyon connected. I'll throw the lines out to a few different mid-crown redirects and I have all sorts of options.

Crouching Tiger, Hidden Dragon...House of Flying Daggers...standing on twigs if you want.

Andre, not sure if you're doing so, but I think something that might make your DSRT comparable to what you're doing now is to carry along a static redirect sling (or 2 if they're compact). A couple carabiners and web slings can work wonders.
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Eric are you saying that the KMIII is like an access line and that you connect the tachyon to it for another srt option? If so are you basal anchoring the KMIII?
 
I love this concept. Are most of you initially using the same TIP and then redirecting from there? Also I assume that this is all basal anchor? I currently have a line dedicated for lowering that goes through a petzl rig. I put an oval quick link on the eye splice and connect my single srt line to that with another eye splice. I am wondering if I could just add another line to that to create a DRT system. Thoughts?
 
ctree said:
Eric are you saying that the KMIII is like an access line and that you connect the tachyon to it for another srt option? If so are you basal anchoring the KMIII?
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Yup! That's the deal. Now, I'm generally choosing to Butterfly the middle of one line and connect that to the anchor line with a double sheet bend. The result is the same, and part of the beauty of working SRT. You can literally tie in a Butterfly anywhere for a new anchor point.

By middling a line, you can ensure that both useable sides handle the same in something like the Bone. If using the method I described in that older post, you might end up with differing lines and potential incompatibility.
 
Nice, thanks. Just to be clear your using a sheet bend in the loop created by the butterfly? If so why not a quick link?
 
ctree said:
Nice, thanks. Just to be clear your using a sheet bend in the loop created by the butterfly? If so why not a quick link?
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In some cases, yes to the Double Sheet Bend. If I'm simply joining two eye splices (slaices even better), I'd go for a rated oval quick link.
 
oceans said:
In some cases, yes to the Double Sheet Bend. If I'm simply joining two eye splices (slaices even better), I'd go for a rated oval quick link.
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Oceans, I think I've settled on goin with double fisherman's on circus bowline, weather or I am or not using a quick link, which is nice to have and clean with splices ,as you know. I also like get to p.s.p and if advancing using the link on a monkey's fist for some extra weight to advance the one line on occasion if splitting the system like that . Never had too much trouble releasing that fishermans yet after some 6 hour canopy cruises recently. I did some cool stuff the other day where I had Bububobby add some line into the system from base anchor in which I shifted the setup through a large span in the canopy to move the midline knot for a better angle for next part of Tree I was going. Worked great.. I love it!
 
Treetopflyer said:
Oceans, I think I've settled on goin with double fisherman's on circus bowline, weather or I am or not using a quick link, which is nice to have and clean with splices ,as you know. I also like get to p.s.p and if advancing using the link on a monkey's fist for some extra weight to advance the one line on occasion if splitting the system like that . Never had too much trouble releasing that fishermans yet after some 6 hour canopy cruises recently. I did some cool stuff the other day where I had Bububobby add some line into the system from base anchor in which I shifted the setup through a large span in the canopy to move the midline knot for a better angle for next part of Tree I was going. Worked great.. I love it!
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The Double Fisherman is surely going to set toight like a tiger. The Zeppelin Bend is still my fave for joining two lines. Putting three together creates a different situation. Let your mind be the limit. There's plenty to consider when setting up a lowerable system when adding multiple lines into a single anchor line. It possible to cancel out the lowering process. Perhaps, ideally, you really need two of everything. I think when going with two completely independant lines from ground to climber, it's still ok to anchor them on the same base anchor sling.

It's fun working in concert with a ground man that really understands what's going on. Good stuff. I love it.
 
ctree said:
Oceans thanks. Ive looked up the word slaice and cant find it-whatchya mean?
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It's a proprietary splice by Teufelberger, New England Ropes. It has several benefits...
- Less likely to jam on sprouts/small stubs when setting over union by pulling with Throwline.
- Can be sewn into many different rope construction types.
- Can be used seamlessly in a DdRT Floating Prussik system.
- More flexible and much lower profile end product than traditional hand splice, with very thin eye. I like this when thinking about setting up a lowerable system with a rope to rope connection in the crown. The thin eye can accept connectors with a narrow gate opening (small rated oval link), and the lower profile connection can pass tighter unions than a knot or carabiner could.
 
I have been interested and "toyed" with this for a bit, but frankly it felt a bit of a hassle. And now I just love it. What made it my go-to was a tree that was really wind wrecked and I was wondering about the TIP I chose in the bad tree for access to clean it up. It was one of those "looks ok but..." type of TIPs. I looked over next to it and a big sweeping oak was close by, so I thought, what the heck, I will toss one more rope in there for insurance and go DSRT. Working that bad tree with two ropes and so many options for redirects was like a whole new climbing experience for me. Though it seems counter-intuitive, two ropes made some things so much easier - much easier than one.

Now I use it almost all the time, or at the very least I toss in another rope in the tree as it really doesn't take long to set up a second line using a whole variety of methods previously discussed here.

LPT: Try tying your chainsaw on the rope you aren't using your ascenders on...the rope will tend perfect through a BDB as you climb. Once you are up...pull up the saw and go.
 
But seriously - I'm not an arb but an IT guy. I climb and butcher trees for fun. (So I try not to actually butcher them :D) I live a life of looking for and removing "SPOF's" - Single Points Of Failure. In IT that means having at least two of everything so that any single failure does not take down your service. You examine "critical paths" of data flow. Important for making money for big corps... but for you guys doubling all the "critical parts" could literally be the difference between going home in your truck, or being taken by the blue light brigade.

I too feel much better with two lines. Much like I prefer going up on a rope to using ladders. Hate ladders.

Some climbing SPOFs

"What if that crab fails?"
"What if that BDB isnt as bomb proof as I think?"
"What if I didnt tie that bend quite right?"
 
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