Wow, RB 16' of stick not leaning is long enough for me to have a pull line, i only push over about body length stuff, cutting low as posssible, to get chest /strong push height at aboput C.o.B.(Center of Balance) or better for positive push. You're it with that lumber length stuff (and pix!)!
Cutting deep face undermines the C.o.B.; effectively giving (more) lean, calculating lean as line from C.o.B. to hinge. So it will tip off of you, more lean forces stronger hinge IMLHO also. And this height (16')does warrant IMLHO a rappel down that extra pull line, to work face, not body length stuff. i dont have to worry about the lumber at all so don't have to cut that long, especially meat log (26' of meat log outta my league i beleive buddy!). But i generally cut a lil'wide and race hinge before it closes shut. Saw ony has so much power, so if no side lean, i'll narrow hinge from sides, so saw can come thru as fast as possible if i choose, i can always back off the gas, but not add HP, so i lessen the fight for the saw. i find this gives me more dynamic range of adjustment to the last second. i like trying to tilt spar/top, and when i know it will pull away from me, cut it free; trying to hit that zone where the top is neither pushing back or pulling forward on my spar/seating
In block and catch(of shorter prey) on host spar i can get more pivot on the hinge, by forcing more power against hinge at it's First Flexxing; to force a super strong hinge. Thus rotate load on hinge further (if open face allows this much range of movement as the outer constraint dictated in 'machine code') before tearoff from leveraged load (increasing as it tilts towards horizontal) overcoming leveraged support of hinge; and failing in the balance. Sometimes fles it almost all the way to down verttical. Placing the line as high as possible avails to maximize leverage to this task; they can always pull easier or not at all; therefore giving as much leverage as possible gives as much dynamic power range as possible to pre-set when things are moving.
In both occasions of giving more dynamic range of control, i start at maximum leverage, and as fast a cut as possible (unless catching); calculating that empowered like that reaches out further in power/speed over top; if you choose to use those fully. Can always pull less, or back off gas to lessen; but can't always get more without pre-set. i think over the top with pull line is point of highest leverage, also gives differance making increased arc-ing direction of pull on hinge; rather than more a 'non-tumbling ' pull straighter off. i think any arc-ing induced in a solid gives more leveraged movement.
i will only set a support line tight that has 1 leg to center, be it climbing line or lanyard. Sometimes giving a roundturn on spar with lifeleine to front D's. and let lanyard hang down a lil'loose on top of some kind of natural or cut deformation/catch dawg as catch. i don't set life/lanyard below load support lines redirect, unless can be secreted underneath lean etc. from the loaded rigging line(S).
Or something like that
:alien: