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  1. JMerritt

    The Akimbo 2

    I bought one of those!! I think it’s so funny how exactly they copied some parts but completely ignored others. It has a solid one piece spine so it doesn’t open, but it still has the notches on the joints for stopping the travel in the correct position for opening it up. I threw it on some...
  2. JMerritt

    The Akimbo 2

    I love all the experiments! When I get the time I plan on 3D printing some custom grommets for the A2 out of flexible TPU.
  3. JMerritt

    New device from buckingham

    the new cam/spring placement makes it so that the akimbo doesn’t lock up entirely when it runs into sap. Where before you had to unweight entirely to descend past the sappy area, now you can just pull harder to pass it. It’s not perfect, and at some level of sap there’s not much you can do, but...
  4. JMerritt

    New device from buckingham

    I’m here as well if anyone has questions.
  5. JMerritt

    A solo negative rigging workflow

    To answer your question about the prohibition on negative rigging with the DR, it is mainly due to the swivel and the button lock side plate both being potentially vulnerable to side loading. In a negative rigging situation it is much more difficult to control or prevent. This is the same reason...
  6. JMerritt

    Rope Runner Pro attachment point

    I have a feeling that the shape of the biner is specifically engineered to keep the load in line with the swivel. Side loads on the swivel axle are no bueno. I’m sure an oval biner could be made to work, but it would definitely require some serious design work.
  7. JMerritt

    DIY Epple hook

    It was leftover material from akimbo parts. I doubt it would be more than $20 to get a piece of 1/2” from a scrap yard or machine shop scrap bin.
  8. JMerritt

    Another aerial friction rigging device?

    I’ve run it through some heavy sap. It definitely changes the grip. If it gets too pitchy then it has to be run from up close to the block (climber feeding the rope) as just the weight of the rope can cause it not to run. I’ve not had it jam bad enough that feeding rope from near the device...
  9. JMerritt

    Another aerial friction rigging device?

    Genuinely curious, and I can’t be 100% sure I’m visualizing your description of span rigging. Can you explain exactly how that setup works?
  10. JMerritt

    Another aerial friction rigging device?

    Safety blue is pretty soft if I recall correctly, try stable braid 1/2” or one of the firmer 16 strand lines
  11. JMerritt

    Another aerial friction rigging device?

    I would love to hear feedback from those that have one now. Good or bad.
  12. JMerritt

    Rope Runner Pro Making a Weird Noise

    My rope runner original would chirp sometimes. It’s the slic pin spinning in the bird I believe.
  13. JMerritt

    Another aerial friction rigging device?

    Dropped off all the domestic orders today. It’s in the mail!
  14. JMerritt

    Another aerial friction rigging device?

    Not dissuade, I just want people to understand what they are getting. I don’t want anyone buying it thinking it does something it doesn’t. When there is a better tool for a job you should use it!
  15. JMerritt

    Another aerial friction rigging device?

    https://www.thompsontreetools.com/shop/p/morganblock a very limited number are now available at thompson tree tools! this sale is sort of a retroactive gofundme type situation. we are charging A LOT for these units to help us recoup some (definitely not all) of the costs of developing, testing...
  16. JMerritt

    Ideal Multicender

    That’s exactly what I meant. A clutch that is controlling a grip wheel of some sort. That way the friction is always a known quantity. I doubt it can be done in a small enough package to make it worth while as a climbing device. I think as second best the unicender and the zigzag are the optimum...
  17. JMerritt

    Ideal Multicender

    3D printing is awesome for prototypes, and printers nowadays are really very cheap (less than $300 for a very nice one and less than that for a pretty decent one). Another really nice way to prototype is using a waterjet cutting service. If you find a shop that doesn’t charge a minimum batch...
  18. JMerritt

    Ideal Multicender

    Make lots of prototypes if you can. So many things I thought would work great just didn’t and vice versa. Nothing like real world testing.
  19. JMerritt

    Ideal Multicender

    I would love to see someone come up with a device that utilizes a mechanical clutch. That way the whole problem of rope friction would be eliminated from the equation.

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