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  1. J

    End-wrench rolls

    I'm trying to find the perfect container for end wrenches. It's an absolute requirement for me to have the whole set of end wrenches together so I can grab the whole set and take it to whatever I'm working on. Individual cut-outs in my toolbox don't work for me at all. Wrenches hanging on...
  2. J

    Brazing big stuff

    The steel will only be for the frame, where heavier is better. And I already know I'll have to mill some surfaces flat somehow.
  3. J

    Brazing big stuff

    Now that I think of it, it might be just as easy to use steel filler and weld it. I think distortion will be a problem in any case. The alternative could be drill, tap, and bolt the joints together...if I had a good drill press I'd consider it
  4. J

    Brazing big stuff

    I'm building a 3d printer out of 1/2" plate steel cutoffs. I do a lot of brazing, you could even say I'm an expert. Below is another printer with pieces up to 1/4 thick brazed, but these big plates are going to be a whole new ballgame. This is thicker than anything I've tackled before and I...
  5. J

    TSA compliant multi tool

    I've has Leatherman Micra, and similar small multi tools confiscated by TSA before. But I still like having some pliers and screwdrivers. Has anyone found a good multi tool that's TSA compatible? I'm really close to cutting off the knife blade of my classic Leatherman, but I just can't bring...
  6. J

    The Everything 3D Printer Thread

    One for X, and one for Y! I couldn't figure out how to do it with just one.
  7. J

    The Everything 3D Printer Thread

    I decided not to ground the printer frame at all. The only thing attached to the building ground is the 120V PSU, so the metal case of the PSU is grounded. The DC minus rail is not specifically attached to anything. From what I can tell most printers are like this. I have a separate Analog...
  8. J

    What kind of solder flux person are you?

    I'm in the middle of an epic 3D printer build where I'm soldering dozens of 18 to 28 gage wires to PCBs, motor leads, d-sub connectors, and just plain other wires. I have a nice Hakko soldering iron but I'm not sure I'm using the right flux. There are so many options. Do I need to buy and try...
  9. J

    The Everything 3D Printer Thread

    How should I ground the custom printer I'm building? This is my plan AC earth wire tied to the printer frame. DC - output from the PSU also tied to the printer frame, preferably at the same point. No need to tie signal ground from the PCB to the frame, because it's already connected to the...
  10. J

    Krytox

    If you aren't acquainted with Krytox grease and oil, you might not know how awesome they are. Rated for use from below -73 °C (-99 °F) to above 360 °C (680 °F). You could literally use it inside a cooking oven, and it wouldn't drip or smoke or anything. Outer space application? No problem...
  11. J

    Air dusters / blasters

    I used my wolfbox for it's first task...I scrubbed a weldment with hot water and degreaser before painting, and used the wolfbox to blow all the water out of the crevices and holes. It would have taken a whole can of canned air to do it.
  12. J

    measuring wheels

    I want a measuring wheel for just measuring things in my yard, distance between sprinkler heads, widths and lengths of driveway, that kind of thing. What I'm not sure about is do I want one that has a big, bicycle-type of wheel, or do I want something with a smaller, like 4-inch wheel? Which...
  13. J

    Air dusters / blasters

    I also bought one, and noticed it came with a nozzle for inflating boats and pool toys. It's really tiny but I wonder if it's powerful enough to replace the big ryobi one I've been using.
  14. J

    The Everything 3D Printer Thread

    No stencil lines. Plus, I really like Futura.
  15. J

    Air dusters / blasters

    For big things, I have an airgun I can hook up to the compressor. For smaller tasks, like cleaning computer parts, blowing shavings out of the bottom of blind screw holes, etc, I used to keep around a can of the "canned air". The cans work, especially when I can put the small straw down in the...
  16. J

    Deals on M12 batteries?

    M12 batteries seem really expensive at Home Depot. Are there any other retailers that sell them cheaper, or is it pretty much the same everywhere? Are there any generic or off-brand M12 batteries that are favored? Some of those can be had for as cheap as $10.
  17. J

    What temperature do you set your hot water to?

    Water control valve installed. Including thermometers for process control.
  18. J

    The Everything 3D Printer Thread

    My hammock was too long for my hammock stand so I printed adapters. Think it will hold up outdoors (PETG)? In the desert sun? With 200-350lb of load? We're going to find out. The pipe extends to the ridge.
  19. J

    What temperature do you set your hot water to?

    Ok I decided to buy a Watts thermostatic valve and install it at the water tank, and dismiss any WAF issues as unavoidable for safety and legality. It's an excuse to finally buy PEX crimper tools. By the way, is it normal to have galvanized steel pipe in potable water service? That's that my...
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