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  1. TheTreeSpyder

    How rope holds

    Devil's Advocate view:tanguero:: some thoughts(abbreviated) If the non-continuous threads have frictions; a continuous thread in same position, angle etc. at least has potential for frictions from that examination given i'd believe then. >>especially in more elastic forms i would think of...
  2. TheTreeSpyder

    Where do you put your prussic for progress capture on a 5:1 MA system?

    i think @Zebco Kid showed pretty well w/red & yellow upper Prusiks, always have the Prusiks on the Load side of any pulley. Cheek plates or other contrivance (added padlock around rope and Prusik quickly 1x to some one else's existing system)to groom/comb/serve Prusik forward and not get...
  3. TheTreeSpyder

    chinook hitch

    i always thought this chase would go into 'hybrid' metal + rope to extrude this effect, but never thought it would take these forms. Fantastic!
  4. TheTreeSpyder

    Looking for tricks to use pulling rigging lines through tight unions.

    Video unavailable Playback on other websites has been disabled by the video owner Watch on YouTube **************************************** If you are the video owner, you need to tick the "Allow Embedding" checkbox under the "Video Details -> Advanced" tab. If you are not the video owner...
  5. TheTreeSpyder

    Bending moment question

    In trying to throw a smaller top cleanly, with least push back i tried for least amount of angle that still carried away from me, and top not moving very fast. . Tried to keep the weight more vertical down the column of trunk support rather than across. Made a conventional face, but tried to...
  6. TheTreeSpyder

    proper cut for a piece that is tip-tied

    i used tip tie much more for crane lift up, than rig down. usually only when the nose/tip was locked or going into lock position. For me this was just about always from storm/hurricane. Not a fan i guess. But am fan of pre-set rig from ground, but more to the mid tie, sometimes from right side...
  7. TheTreeSpyder

    Is it just me, or is SRT strenuous compared to DRT?

    That is real clean, relaxed looking; might do nicely if showed nuances from from different angles! . i've made quick chest roller out of 1"webbing and plastic clips to just hold CoG close to/parallel rope line a few times. Just played lightly like that some or showed others what they could try...
  8. TheTreeSpyder

    Petzl preliminary research

    Rule carries across even wider to stone, marble etc. >>making wood only part/an expression of an even bigger rule.
  9. TheTreeSpyder

    Petzl preliminary research

    (y) Model view as upper limit benchmark of lossless/friction free potential , thus equal legs of tension as is w/o friction buffer between them. >>Applied as equal deflections from the common apex centerline as the collective sums of force and direction: . Only have 2 xTension as pulley load...
  10. TheTreeSpyder

    Petzl preliminary research

    DIRECTION is many times the most key factor. >>maintaining it's focus can be much greater than maintaining efficiency etc. . i think DdRT as a 2/1 has less than half the elastic dampening of SRT; on a sliding gradient scale response that is not so cleanly, evenly graduated to give 1/2 as much...
  11. TheTreeSpyder

    Dragon Fly Hitch

    Stiff round cord 1/2 diameter of host line to impose best? Half Hitch prefix? Retailer, manufacturer any suggestions or experiences?
  12. TheTreeSpyder

    proper cut for a piece that is tip-tied

    Card magicians may practice in front of camera for years until so smooth/slow motion perfect even camera cant catch the obvious; let alone the eye. You can watch the silky smooth ballet of moves and swear the slow is fast, as is sooooo clean... . This thread is titled tip tied, as drifts into...
  13. TheTreeSpyder

    proper cut for a piece that is tip-tied

    With hitchpoint near CoG, butt tie tag line gives very good control as the sides ballast each other some and have a lever to command rest. Tag line Prussic to the load leg is more center mast , near CoG and bends that line only , not so much tipping heavy end up over something etc. But...
  14. TheTreeSpyder

    Is it just me, or is SRT strenuous compared to DRT?

    To me that is the added co$t of conversion from 1:1 to 2:1/transmission gearbox . >>where you get the work done + cost of inefficiency as tax of usage. Note that tho the efficiency drops below potential of 2x to 1.65 etc. >>the 2:1 remains in the distance pulled as input vs. work distance...
  15. TheTreeSpyder

    proper cut for a piece that is tip-tied

    Will draw those 2 out of myself to increase the deck of cards have to offer, ty. >>more cards, the more ways to play the hand as dealt. >>usually each exercised well enough to be able to quickdraw them like slick gunsman; otherwise sleep silently holstered once polished clean. Usually allow...
  16. TheTreeSpyder

    Is it just me, or is SRT strenuous compared to DRT?

    Having short inseam and watching someone with long legs footlock or footcam well can be demoralizing.
  17. TheTreeSpyder

    proper cut for a piece that is tip-tied

    Moving from vertical to horizontal(increase sine) is increasing leveraged load during handling on hinge/rig vs. horizontal tipping down/or up(increase cos) is relief of same leveraged(sine) load as very separate functions or phases. Another separate stage from other aspect is separation of pre...
  18. TheTreeSpyder

    Is it just me, or is SRT strenuous compared to DRT?

    The work done is equal, of same achievement that itself takes matching effort_X against to overcome. DdRT just more in powerband due to the 'transmission' gear shift to 2:1; @co$t of more friction for the redirect arc that SRT doesn't have. So i kinda would vote for more total effort in DdRT due...
  19. TheTreeSpyder

    Is it just me, or is SRT strenuous compared to DRT?

    Solar Plexus as Center of Gravity/workload. Keep it close to rope/lift line, more work the farther CoG drifts from rope. . Leg push as a compression inherently tries to move CoG away from rope. >>Arm pull as a tension inherently tries to move CoG into the rope>>but is less efficient...
  20. TheTreeSpyder

    Documenting my hand-sewn eye process

    i always thought soft, everlasting, non-corrosive adhesive between legs to eye, then hand sewn would be answer. Where the adhesive kept it in place and the stitchings would just assure the positioning of the adhesive and mated parts w/thread as a 2nd stringer, not main force incurred. As like...

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