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  1. Dan Thornton

    Pull Rope Height - what is optimal?

    How much benefit will I get if I climb up an extra 10 feet to set the pull line? Or, If I can install the pull line with my pole saw at 20', how much benefit do I get by climbing or using throw ball instead? The attached spreadsheet answers the question: how much more torque will I get if I...
  2. Dan Thornton

    Pull Rope Height - what is optimal?

    I like Excel, so here are the figures in a spreadsheet. The torque keeps increasing the higher the pull tie-in-point, though the amount of benefit diminishes.
  3. Dan Thornton

    CMI ropejack

    What is a painter's bowline? How is it different from a regular bowline?
  4. Dan Thornton

    Things that likely frustrate every climber at least once in their career

    Successfully used throw line to install friction saver, but when pulling up the climbing line there's no way I can get the line to go through the rings. One of the rings is facing the wrong direction. So frustrating!!!! (Especially if I worked hard to get the throw line set.
  5. Dan Thornton

    Winter gloves

    Vapor Barrier Liners are indeed the way to go. It is not possible to have gloves thick enough to keep you warm when fairly inactive and then not sweat in the same gloves when working hard. Either you have three sets of gloves that you constantly change depending on your work intensity level...
  6. Dan Thornton

    Red Wing Logger Boots 12D

    I found a great deal on Red Wing Logger Boots, so good I wanted to see if they would work for me just for spur climbing, but alas they are too small. They were used 3-4 times, resulting in a few scuffs, but no wear on the soles. Cost $175 and I cover the postage within continental USA.
  7. Dan Thornton

    Overthinking, a Minimal Friction Hitch model

    You asked about other names ... The first picture, the Adjustable Terminal Eye Build, looks exactly like a 3-wrap Michoacan, only left-handed.
  8. Dan Thornton

    Working In Hell

    Well yes, but that kind of misses the point. Theoretically, if you soak yourself in a tub of near-boiling water you won't sweat since your skin is already wet, thus saving critical internal water stores, but you could die from overheating. The point to focus on is this: stay cool. If you are...
  9. Dan Thornton

    Working In Hell

    Essentially there are four ways we lose heat. Evaporation is one of them. Preventing evaporation is important in cold weather to prevent hypothermia. Producing evaporation is important in hot weather to prevent overheating. Virtually all air-conditioning systems use evaporation as the mechanism...
  10. Dan Thornton

    Working In Hell

    Yes, when the skin is wet (100% humidity) it won't sweat. It's one of the secrets to surviving extreme arctic cold. This and more details about staying cool in hot conditions is found in the great book, The Secrets of Warmth, by Hal Weiss.
  11. Dan Thornton

    HHXF with DMM director yoke carabiner?

    Okay, here's a really dumb question. I'm thinking through the options for setting up my new HHxf. I don't see how any swivel could work on a climbing system. Doesn't the tail of the climbing line get all tangled up if the system tries to swivel?
  12. Dan Thornton

    Working In Hell

    Lots to learn here from the backpacking community. Use water to keep wrists and shoulders wet. Here's why ... 1. Evaporating water is fastest way to get cool. 2. Regular water cools far better than sweat. (Sweat is salty, reducing its cooling capacity significantly.) 3. If you make your shirt...
  13. Dan Thornton

    When arborists agree

    I'm still new at this, especially at the estimating part, but one time I think I did it perfectly. I was asked to bid a BIG job (for me) - four removals, 24" dbh and 30" red maples, 36" black walnut, and 64" silver maple. Only a few branches were over a shop. Silver maple roots were lifting and...
  14. Dan Thornton

    What would YOU do in this situation?

    Here's one approach that worked for me, in one case, with lots of smiles to keep things as light as possible. The 32" dbh shagbark hickory was three feet from my client's line, with two large branches high and directly over my client's parking spaces. Yes, dents in the cars, and she was about to...
  15. Dan Thornton

    WTB - 1994 book The Body Language of Trees

    The Kindle version is the full book 548 pages. Thank you @Shadowscape . I got the book and am learning a lot!!
  16. Dan Thornton

    How hard do you work? (And for how long?)

    When I moved to Maryland from Alaska, I set the goal to backpack the whole Appalachian Trail in ten years. I reached that goal. Included a big hike of between 200 and 250 miles each year.
  17. Dan Thornton

    How hard do you work? (And for how long?)

    "Slow is smooth; and smooth is fast." I remind myself of that truth every time I start a job. I am coming at tree work late in life, and with perspective different from many. It's been a serious learning hobby for six years - then I incorporated this year and I'm 64. To stay in shape the last...
  18. Dan Thornton

    WTB - 1994 book The Body Language of Trees

    The Kindle copy is much newer, from 2015, not 1994, and is about 100 pages instead of over 200 in the original. Anyone know if the shorter, newer, one is still worth it?
  19. Dan Thornton

    WTB - 1994 book The Body Language of Trees

    Apparently the book is out of print. Does anyone have a copy they could sell or loan? The Body Language of Trees by Claus Mattheck and Helge Breloer.
  20. Dan Thornton

    Wedges or Rope?

    These replies are very helpful. I'm making a list... To my precise question, the direct answer from Shadowscape is most helpful: "The wedge will not harm the hinge unless you drive the wedge into the hinge." Then the caveat mentioned by Southsoundtree reinforced the reason for my question: "A...

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