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  1. SeanKroll

    Lumberjack Correspondence Course

    I try to cut those just at the top of a good knot in the stem. I avoid the Circle of Death.
  2. SeanKroll

    Lumberjack Correspondence Course

    If by suburbs, you mean planted and maintained landscape only, sure. I was working with 'volunteer' bigleaf maples today, growing up in an area with established trees, so long and lanky. They were almost touching the neighbors house, and the homeowners house on the other sides. Far from a...
  3. SeanKroll

    Lumberjack Correspondence Course

    Daniel, Do you have any barber-chair prone species there? I've barberchaired a tree pulling by hand, sorta thick hinge, backleaning. I didn't see it happen, but at least by the time I got back to the stump, there was a vertical fracture up the trunk many feet...petering out visually, from...
  4. SeanKroll

    Lumberjack Correspondence Course

    When the wedge dips, it's like a needle on a gauge, telling your the tree is moving, I'd think he means.
  5. SeanKroll

    Lumberjack Correspondence Course

    Remember that the load strand of a munter hitch should be against the biner spine (might as well learn to tie-off with a mule knot, overhand tie-off on the tail). When girth-hitching to a hook, load strand near the spine, away from hook tip. https://www.animatedknots.com/muntermule/index.php
  6. SeanKroll

    Lumberjack Correspondence Course

    A carabiner gate is an necessary part of the structural build, reducing strength by about 2/3 when open. A hook gate being open reduces strength by zero. You're system, once tensioned, with you at the puller, is going to have a hard time falling out of the hook. You've noticed that cranes...
  7. SeanKroll

    Lumberjack Correspondence Course

    Graeme, who supports hinges right behind the hinge? Pounding wedges would wedge Up against the tension-strength of the wood rather that tip toward the face, and create a fulcrum on a back-leaner.
  8. SeanKroll

    Lumberjack Correspondence Course

    Autocorrect, small screen, small kid, lots of coffee. Steep logging. Was your Swiss experience in steep terrain? Did that affect anything? Was it pulp, saw logs, or both, or other? High altitude conifers or high latitude conifers seems like maybe pulp, maybe saw logs. I'm guessing it's...
  9. SeanKroll

    Lumberjack Correspondence Course

    Anyone humboldt cut, sloping first? As long as you get your hinge direction right, the first time without needing any fine-tuning correction, the sloping-cut-first will be as easy to hit the first time as horizontal first. IMO, it's probably easier to accurately aim kerfs around defects, while...
  10. SeanKroll

    Lumberjack Correspondence Course

    WorkSafe BC youtube videos for tree work are useful resources, btw. ArborPod youtube videos are also useful resources.
  11. SeanKroll

    Lumberjack Correspondence Course

    The maasdam hook is strong. You don't want the tree directly in line, therefore on top of the pull rope after the fall, 5* is ok. More, too. When hand pulling, once committed, try to flick the rope out from under the tree.
  12. SeanKroll

    Lumberjack Correspondence Course

    Pics or address of the tree coming up? Advice, written down before hand (helps to ingrain, even if not reviewed), will be more better than retrospective advice. P.S. healthy wood is strong as heck. Remember that. It's really not about pull harder. Pull harder makes up for a lack of finesse.
  13. SeanKroll

    Lumberjack Correspondence Course

    You have an overcomplicated base-tie... Practice know at home, work at work. Literally, once around the stem, the actually time to tie a RB is under a second for me. If you can't tie a running Bowline, go practice until it takes under 20 seconds. I may have tied about a Brazilian RBs. You...
  14. SeanKroll

    Lumberjack Correspondence Course

    Better! Rope directly into rope puller as designed. Practice is good, though. Running Bowline for base-tie. What did you use? Hinges are better thick than thin. Probably can get a bit thinner and/ or consider "gutting the hinge" to reduce the amount fingers to bend.
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