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About bobasaurus

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    Senior Member

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  • Location
    : Colorado
  • Interests
    Woodworking, blacksmithing, computers, bicycling.
  1. I made this rivet heading/upsetting tool today based vaguely on pictures I saw online. I think it will work all right, I plan on using it to make some tong rivets soon. Stupidly, the center of mass makes the spring side dip down when trying to clamp it in the post vise... I might shorten it up someday so it doesn't take 3 hands to use this thing. I'll also take a die grinding bit to the countersinks and round them over some more tomorrow. I clamped a shim in the jaws when drilling the holes so they will grip the rod well. The holes are 1/4, 3/8, 5/16, and 1/2".
  2. O1 spark test

    I've noticed that O1 spark tests differently than 10-series high carbon steel. The sparks seemed closer to how mild steel behaves.
  3. Temperature reading

    Chile forge recommended this one to me: I ended up ordering a slightly different one with better shielding on the wire. I use a cheap PID controller that accepts K-type thermocouples as my reader. This is the part number I ordered, works great for me: TJ36-CAXL-14U-18-SB
  4. 1.75lb Bow Tie axe

    Excellent axe. Is it wrapped or punched? I've never tried one, but really want to.
  5. Green woodworking tools

    Very nice work. The hatchet and spoon gouge are my favorites.
  6. Damascus Fork

    This is mild strapping, I have the original box and looked up the part number. But maybe it did have some carbon migration. The heat treat on the original was to try and make the etch cleaner and strengthen the thin prongs (which backfired on me). This one I left soft, and it seems plenty stiff enough to use.
  7. Damascus Fork

    I forged this pattern-welded damascus fork out of bandsaw blades and pallet strapping. It's just a simple twist pattern, but I think it came out well. My first attempt at making one failed, as I managed to snap off the tips after heat treatment when trying to un-bend them from a warp. So this is the second fork from the remainder of the billet. I didn't bother heat treating this one, I don't think it will need it (and the pallet strapping is mild steel anyways).
  8. Big Door & Gate Handles

    That looks awesome. Never tried a cube twist before, I might have to give it a go.
  9. Damascus Dane axe

    That is absurdly nice, well done. I wish I had your forging skill.
  10. yet another newbie blacksmith

    Thanks. I'm getting a little better now, but not much. My arms are still surprisingly weak.
  11. damascus spatula

    Thanks a lot everyone. Dave, I did stamp it on the bottom (though it's light). Moemdown, the handle is one piece. I drilled a row of holes then drilled and chiseled out the areas between them to get the mortise for the tang. I used west system g/flex epoxy to hold it in.
  12. damascus spatula

    (I couldn't really figure out the right category for this, so we'll call it a "Knife".) I forged this pattern-welded damascus spatula for my Mom’s birthday gift. I offered her a knife or any other thing I could forge, and this is what she chose. Never made one before, it was lots of flattening work with a cross pein hammer and a ton of grinding. 1080 and 15n20 steel, hardened then tempered at about 550 deg F for extra flexibility. The handle is redheart, one of my favorite woods. It’s pretty, really easy to work (hand planes beautifully), and doesn’t have large pores so it finishes smoothly. I hand planed the block to size, then bandsawed out the shape, and block planed everything smooth and roughly to the final shape before sanding.
  13. low layer damascus chef knife

    I forged a low layer count damascus billet from 1080 and 15n20, then made this knife from half of it. It's a thin chef knife with a Tasmanian myrtle wood handle. The x pattern comes from the core of the twisted billet, which I cut into and exposed before re-welding the pieces. Even 1/2" back from the tip is only 0.010" thick, including the spine. I had trouble with it warping in heat treatment, but was able to straighten it.
  14. Lavender horse bowie and autumn kitchen knife

    That's pretty neat-looking, Theo.
  15. Blacksmithing Myths

    I always thought packing was BS. I hear about it all the time online and in old texts, but it never seemed right.