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  1. TheTreeSpyder

    Linear Force as a Dimension Model

    We see/even rate the rope to break sooner under tighter arc and/or stiffer line on host ? Can see wrinkled inner arc of rope on host sometimes, yet hyper-stretched on outside of same arc i think on smaller hosts i think. Some ,more coreless like 12's may flatten. Then, too also as this...
  2. TheTreeSpyder

    Linear Force as a Dimension Model

    Linear vs. Radial matters in all things, hear we see it in rope choice and considerations. Force displacement needs at least a single Equal & Opposite pair >>Linears give this to a single, focused axis, not the same; all around. >>Rounds give this to diffused, NOT focused, dispersed axises...
  3. TheTreeSpyder

    Linear Force as a Dimension Model

    Linear Forces etc. have 2 most relative matters: alignment and 90° crossing of totally not aligned. Most organic example is gravity as a vertical force, so then horizontal as crossing, a totally different dimension of any change than vertical. Any alignment dimension % is cosine of efficient...
  4. TheTreeSpyder

    Replace this rope?

    Best to keep one on the shelf, so there is no hesitation to downgrade and replace. . Every once in awhile a short climbing rope is handy.
  5. TheTreeSpyder

    Replace this rope?

    Best to keep one on the shelf, so there is no hesitation to downgrade and replace. . Every once in awhile a short climbing rope is handy.
  6. TheTreeSpyder

    Linear Force as a Dimension Model

    In a knot, rigging etc. just as in construction, engineering etc. All Ways and Always, deforming from support dimension (vertical under gravity load etc.) decreases reach and support expressed to that vertical dimension per the cosine scale. This answers many, many, many questions if can let...
  7. TheTreeSpyder

    rip cuts to reduce rigging forces

    On overhead rig of the long , some skinnier near horizontals would favor tighten hard by hand(including climber 2/1 and climber sweat/swig), hitchpoint a bit hinge side of CoG; and use the length as a lever stretch rope hard(from the distance of drift on hinge) as lay load into rope...
  8. TheTreeSpyder

    Undercutting hung up trees

    Always want the line angle pulling away from climber at tearoff. Mite go thru a phase that pulls back towards climber some, but at tearoff need it pulling away. . Length resistance/obstruction is at a higher leveraged position against than Dutchman, tho not as rigid. CoG is usually 'inside'...
  9. TheTreeSpyder

    rip cuts to reduce rigging forces

    In my wierld... This rigging is a transferring of force, relief in one arena to build force in another. . i assume rip cuts are faceless cuts here. Relief from back cut builds force to faceless compression side as relief cannot show as distance. Force is always a reciprocal of distance...
  10. TheTreeSpyder

    Undercutting hung up trees

    Sometimes i mite do that, faced upwards or up to rollout side; from higher leverage pull on load. Then a brace to the pulley support tree, higher up, in opposing direction; if can flex forward, might brace similarly to craft face, then remove brace. Very many variables, each shituation different.
  11. TheTreeSpyder

    Undercutting hung up trees

    pics plz, every shituation different; the hooks, unhooks and passers by are in different locations and directions. Where CoG is, how much Clarence to ground/ or if touching. . As Brocky lends falling into direct lean is more pressure, thus slide to side less or distributed forces to lean...
  12. TheTreeSpyder

    Throw line/ throw weight thread

    more away from treework or as an impromptu tree service have used a mechanics rag with pebbles and dirt to deform easily as ball on paracord. Follows the theory well. . Throwline and bag easier to throw cleaner: higher and less frictions and catches, doesn't jam as easy.
  13. TheTreeSpyder

    Linear Force as a Dimension Model

    Everything has a (finite) peak potential for each of it's attributes: length, strength, force, speed etc. of a given material in scenario. This peak potential is only fully expressed/revealed when at the unique full alignment of support against load 100%. Like bowling ball balanced atop a pure...
  14. TheTreeSpyder

    Why tie instead of rigging carabiner?

    In all things, linear geometry is focused/specialized to 1 force axis of equal/opposites(minimal allowed); while round gives multi/all axises of loading 2D equilaterally (as globe/orb does in 3D). . Round carabiner is an undifferentiated, strength evenly dispersed profile iBeam brings more of a...
  15. TheTreeSpyder

    Bend radius for rigging

    The rope in it's elastic range, has a quantity X amount of rubber band yielding some shock absorber, more length in system gives more shock dampening. But, then for lesser loads, invading tensile capacity less, has then less elastic, more static response from rope. . model: BUT not more...
  16. TheTreeSpyder

    Bend radius for rigging

    i believe Blair was properly looking for potential force to define a finite region. Then would factor in elasticity as working within that domain, to yes lessen the hit. . A different rope, of different elasticity as a factor dialed up or down to a different yield, but always resulting within...
  17. TheTreeSpyder

    “Rope Only” Canopy Anchor??

    i like DBY for the cleaner eye more open to hit like large spliced eye, and am used to looking at it as inspection. Stiffer rope, remote repeated use may even get extra paranoia of overhand then around Standing Part fini. . i prefer to make by inversion, with the 2 colors showing on end as long...
  18. TheTreeSpyder

    “Rope Only” Canopy Anchor??

    The loaded axis of the Bowline is best end2eye, and for Butterfly as similar utility but end2end. . Many times have used throwline>>pull line into place >>Running Bowline eye on control side, with loaded side, Standing Part 'reeved' thru eye. On far side of eye can tie throwline already in...
  19. TheTreeSpyder

    Linear Force as a Dimension Model

    As i know them, these are the UNIVERSAL rules. Linear Force as a Dimension Model; also fully implies the same rules about length or distance expressed, because force and (more visible) distance are reciprocals. . Distance expressed in part or full is displacement against freespace; while force...
  20. TheTreeSpyder

    Another physics spinoff question - back leaning

    To me backleaners are different; we pull/push CoG up the hill to over the hinge pivot as highest CoG point, then past, to reverse the pivot from rear of hinge to front suddenly to then splash down on the front side. . Greater range of movement, more favoring a balanced load across w/o side lean...

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