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Recent content by lukepighetti

  1. L

    Sewn eye and thread strength

    Yes, I have heard concerns about the speedy stitcher's sharp edged needles cutting webbing and reducing the strength. Man I wish I had access to a load cell.
  2. L

    Sewn eye and thread strength

    I know. I really wish I had access to a dynamometer and load cell. We could answer all of these questions in a weekend. But maybe no-one posts anything online because they don't want to give people the idea that they can sew their own life and safety gear... and then die because of it.
  3. L

    Sewn eye and thread strength

    Saddle stitching can only be done by hand and it fails more gracefully and is theoretically stronger than machine lock stitch. I haven't been able to find any engineering standards around load-bearing sewing. From what I can tell, manufacturers design, test, implement quality standards, and...
  4. L

    Sewn eye and thread strength

    Yep. I completely agree. In all honesty, splicing is probably waaaaay better for DIY. I considered not posting this at all, to be honest.
  5. L

    Screw ins?

    I like to set up a tree, and then scout and move on sunday (no hunting), and hunt out of the new tree for a week. Rinse repeat.
  6. L

    Screw ins?

    I'm starting to wonder if screw ins are really the way to go. Is there anyone who has tried screw ins who prefers another method? I am allowed to screw in on the land I hunt. Cheers
  7. L

    Sewn eye and thread strength

    I did this with the thread and a regular blunt tip leatherworking needle. I wish I could find someone with a test rig so I could see if my math brings me anywhere close to real-world performance!
  8. L

    Sewn eye and thread strength

    I tested the included speedy stitcher thread to 35 lbf breaking strength. Then I sewed up an eye with 60 stitches, doubled thread. The stitching should fail around 2200 lbf with a 75° stitch angle. The Bluewater 7mm accessory cord is rated for 2,300 lbf. Does anyone have a rope test rig we can...
  9. L

    ANSI Z7359 Fall protection code

    May be useful to someone: http://www.asse.org/assets/1/7/ByDesign_Z359Special_Fall2007.pdf
  10. L

    Belt style harness

    Sounds good to me! I'm trying to find some design guides for load bearing stitches. Nothing yet.
  11. L

    There has to be a way...

    Same here. Pucker factor 11 out of 10.
  12. L

    Belt style harness

    I suspect two delta screw links would get you where you want to be, if you're willing to go up in something "suitable for repel work but not rated for it."
  13. L

    Feeling freaked out... just saw the outcome of a 6-8 foot fall

    Here's a fall for you: A guy I knew from college got punched in the face and fell backwards onto concrete. 24 hours later he was dead from brain bleeding. And that was a 0 foot fall.
  14. L

    There has to be a way...

    as opposed to a climber?
  15. L

    Belt style harness

    It's hard to see in the photos but there are loops all the way around the belt. The official word from the company is that it's suitable for repel work but not rated for it.
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