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  1. theTreeSpyder

    Hi-lining: some interesting info

    Brydan, never went to school etc. on it. But, hope this works for the matching calculator link with centered(i guess you say symmetrical) load etc. as pictured in Flash widget?: mytreelessons.com/forcesPulley_verbose.swf (that was to be included but got cut in an early morning edit i...
  2. theTreeSpyder

    Hi-lining: some interesting info

    Welcome! My model on horizontal ridge line support is a similair 2:1 lift pulley system! (unorthodox no schooling for this either) Both legs of rope support for 2:1 are inline w/gravity flow; 0 degrees deflection from pure inline each leg of support. . 1000#/ 2 supports = 500# upward needed on...
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