Overhand to fig.8 and likewise to fig.9 even another turn to fig.10 increased strength return growing more minimal as go tho. To me, Overhand wrenches more from column type support, fig.8 etc. longer, softer arcs to same end AND some force pass thru passing/traded frictions and therefore less thru deformed pipe to same cumulative sum.
Very Nice old, lost, freebie: LIfe on a Line
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Don't dictate, observe;
check rope for chafing after a few pulls and later too.
i'm pretty much a DBY termination believer , end brightly taped down to Standing Part (SPart) for something like this long term usage of pulls. Tape secures, brightens(contrasting colors to rope and different on each end if DBY both), and would flag if any creep. i think really tape well as a stabilizing back end / tail end ballast fighting deformation thru the whole knot carriage like the siezing rather than Half Hitches(HH) seen in some ABoK knots that doesn't allow freebird end or HH to ram/deform rear of knot carriage.
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Taking further :
Turns around cylinder, then securing w/o bending in/out of SParts cylinder probably strongest. Would do be sieze off of SParts or with non slip friction hitches that secure to SPart w/o bending it. On small host mounts ABoK offers several turns to spread out chafe wear, but then reduces force to hold of friction hitch etc. Really, security is king, and don't want it to give before strength. Could go with Triple Scaffold and slip off open end of connector or even leave alone until cut that last foot off after 200 pulls, if not slipped or can't slip off mount. In any case, might consider that last foot compromised compared to rest of rope after all that, thus the weakest link re-defining rope's total strength. Rope, like fan belt is meant to be less durable than rigids etc.
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Disposition:Are you pulling backleaners, or more neutrals or even already leans to target? Pulling against side lean?
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To me, vertical or forward lean rope pull x length to hinge pivot gives added pressure on hinge for something that is neutral or already leaning partially towards target.
So 3000#pull X 70'hitch point = 210,000 foot pounds added to hinge pull tensions(and reciprocally the compressed part of hinge as real pivot). Can see neutral as half of weight wants to come home, half is holding it back, so only fighting half of load. Try to psyche self similarily for large round cylinder needing rolled, ground contact is pivot, half of weight is already pulling to target, focus on other half pulling away..
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That is playing with a lot of force, that tests a lot of things in chain. Ample availability of power band is one thing, actual application more scary; actual usage perhaps more judicious.
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i would use this to force a stronger hinge, make it think had more leveraged load than had at start, so folds earlier w/thicker, stronger hinge. This would be for steering and softer hit. Also i think if trying to soften ground concussion (besides adding padding) felling to side of lean purposefully not to the hardest pull of lean. Also allowing hinge to work, instead of slicing most thru, find it's powerband, and once it is committed to facing, walk away.
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Backlean different class to me, mostly draw CoG uphill to peak/standing just over pivot, to then more fall downhill target side. Takes thinner hinge to flex that range i think, so less control. More apt for later adjustment of Dutchman on splashdown side mite be needed adjustment to side load or push away from obstruction; as Tapered Hinge harder to use so thinned to allow more rotation from backlean.
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Any sidelean for neutral or forward favor Tapered Hinge as offside ballast against sidelean, Tapered Hinge stays with tree embedded in system until tear off, much longer than rope pull. Favor pull to target, let added pulls force extra thick/powerfull Tapered Hinge; and let that fight side battle, more than pull direction input in most cases.
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On tree side i like over the top lacing down backspine of tree tying off above cut, knot on back so won't be buried under tree, release and pull out of opposite end going EASY with truck. i think over the top can give higher, more confident leverage, and if any arc to tree top from pull is softer, more Natural, less sharp than if Running Bowline to top spar for more linear , less arc pull; it feels better to me if inducing arc input of over the top to get arc output of tree, rather than linear rope pull for arc tree?
