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  1. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Handle material preview…. Acrylic liquid inlace “Abyss”
  2. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Also, a little update. I've been struggling with the VFD and getting that all ironed out. Not much to show or post on until that is dialed in. I'm still waiting on that Pheer drive wheel, which is my missing link in potentially isolating a symptom I am having with mid-range vibration. I need...
  3. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Not sure what goes on with the pics, as I have seen what you describe at times, too. Each photo is uploaded to this site's server, and not a 3rd party hosting site (with the exception of the video). So there must be some intermittent issues on their end. I won't ever remove the photos...
  4. Bühlmann

    WTS: 2 LNIB Spyderco Folders

    Spyderco Native 5 P Blk $115 Shipped & Insured *LNIB. Includes original box and paperwork. Carried a few times, factory edge. I don't remember cutting anything with it but if I did it was opening a box or envelope. Excellent GP EDC Spyderco that is MADE IN USA...
  5. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Here's a few video resources that I leaned on when first starting up, and still do. In no particular order: 6061.com https://www.youtube.com/channel/UCcuMSDG2svjR7BncF841GJg This guy is amazing to watch, and he offers an inexpensive paid tutorial access to his website...
  6. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Gotta get that motor mounted to get the feel for the balance of the machine! Easy operation, just four bolts. My motor is the IronHorse MTR series premium efficiency AC induction motor, general purpose and inverter rated, 2hp, 3-phase, 208-230/460 VAC, 3600rpm, TEFC, 56C/HC frame, rolled steel...
  7. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Today we finish up the metal fabrication work! A bittersweet day. Happy to have the bulk of the fab complete, but I ran into some snags in the final stretch. I probably should've quit for the evening once I started struggling, but I'm too stubborn for that kind of reasoning. Seemingly simple...
  8. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Thank you! No problems at all. If your welds are crappy, it's not the machine I can tell you that! I spent about six months pouring over different machines, and I think the PrimeWeld is the best welder for the money out there. This is especially true as some of the big blue & red brands...
  9. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    I don't grind my welds......unless they are super ugly! But for surface prep I use 3M Cubitron or Diablo tigerpaws/flap discs. If you are referring to the knobs, motor mount, and handle where I ground the plug welds flush, I used 36 and 60 grit 2x42" EdgeCore ceramic belts from Red Label...
  10. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    With that done, it was time weld up the handle assembly. Easy enough, just fit a piece of square stock for a plug and weld up. I ground it flat to look nice, and will tack it to the tracking bar once I mount handle material to it, just like knife scales. I have a little complaint on the handle...
  11. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Time to finish out the welds. Front & rear risers and the hinges get welded up. With those pieces fleshed out, I moved on to mounting the tracking bar and fabbing up the hinged tracking mechanism. The hinge is drilled all the way through, which called for some creativity on my part with...
  12. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Knob day.....which is remarkably similar to motor mount plug welding day. I remember Brian mentioning in a podcast about the hex bolts being unique to source because they are threaded all the way to the head, instead of having a shoulder as most hardware store bolts do. That's a feature that...
  13. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    I forgot to mention that I got into a little bind with tapping the through holes in the tracking bar. I drilled the 5/16" through holes with a RotaCut bit just like I did with the large pillar holes, but when it came to tap the holes I realized that my tap had a shaft diameter that is the same...
  14. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Got a new 80lb bottle of argon and back to work. Today I finished the plug welds on the motor mounting plate, got the tracking bar drilled & threaded, the pillars tacked, and the hinges aligned and tacked. Also got to do a little tuning to get the vertical/horizontal planes perfect. So...
  15. Bühlmann

    Anvil mounting height

    I’m set up knuckles minus about 2” to account for the hammer, making the hammer face parallel to the anvil surface at the bottom of my swing.
  16. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Let’s move on to the risers. I deviated from the instructions a little here for a couple of reasons: 1. My drill press is small, and I couldn’t work out a practical way to drill these hinge pin holes in one operation with the table height, height of my mill vise, and short stroke of of the...
  17. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    I don’t have a MIG machine (yet), but I’d only buy a gas unit if (when) I do. I don’t like breathing burnt flux if I can avoid it.
  18. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    It does. I just don’t really want to move this shit-show outside! That & I haven’t run stick for many, many years. That would be an excellent workaround if I was on a timeline though, so thank you for the suggestion. Funny you posted that right as I ran out of gas. I’ll get another bottle on...
  19. Bühlmann

    WIP: Full Featured 2x72 for under $1500?!? Housemade Gen 4 Revolution Kit Build

    Just finished my fist ever 80lb bottle of argon!
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