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Niels Provos

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Niels Provos last won the day on April 11

Niels Provos had the most liked content!

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    http://www.provos.org/
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  • Gender
    Male
  • Location
    Mountain View, CA
  • Interests
    security, blacksmithing, video

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  1. You are completely right ;-) I did not try these on an anvil and the angle may be too steep. I managed to break one in the pritchel hole though. I had accidentally hardened it.
  2. Completely agreed @Joshua States - I was surprised how easy and quick they are to make. I was considering making a few more for my own use.
  3. That steel looks amazing. +1 to the flaming beard. That said with all you are doing here, there shouldn't be any hair left to burn ;-)
  4. I made these for a woodworking friend and decided to capture the process in video - @Alan Longmire gets a shoutout, too
  5. I am happy to report that Powerhammer and compressor assembly are back in working order and I can get back to some serious forge welding. Yay! While my shop was out of commission, I spent more time making EDM; my latest track is "What does it mean to be happy?" which seemed appropriate given the situation.
  6. As I could not help it, I captured the tragic rescue of the power hammer in video:
  7. Curiously, now my compressor assembly died. A nipple had corroded through. Argh! even with nipple extractors, I had to apply an enormous amount of leverage to get them out.
  8. Hehe. This one better last me at least ten years. It was interesting that I could not find a direct replacement. The original valve was 3/4in female npt on one side but the two piece side was 1/2in female npt. Quite odd.
  9. I am happy to report that I was finally able to source a fitting ball valve and got the power hammer working again.
  10. After I posted this, I looked for valves again and this one might actually be a fit. That said, I am not sold that this is really the problem and still need help :-)
  11. I am still stuck with this and getting really frustrated. Without a power hammer, a lot of things I used to do are just not feasible any more. I finally got the valve opened - it required a surprising amount of leverage for all pieces to get them to move. It's a two piece valve - but has an interesting inner screw to hold the delrin(?) washer in place against the ball valve. It's 3/4" FNPTxFNPT rated 2000 WOG and I have not been able to find anything like it. That said, there is minimal wear on the ball valve as well as on the screw. There is some play but
  12. Hi everyone, I have been using a Bull Hammer 75 for years. It's a great and simple pneumatic power hammer. Unfortunately, the ball valve that gets actuated by the throttle link is worn out and needs to be replaced/repaired. I suspect that the screw that engages the ball valve might be worn or possibly the groove in the ball or both. I am curious whether anyone here might know the manufacturer or may no where to get a compatible part. The interior dimension is 1/2" for the airway. The whole piece is ~2 5/8in long. I have been looking at two piece
  13. I actually grew up very close to Denmark. For the first few years in the US, I thought my accent would slowly soften and disappear. While the softening happened, I have given up on disappearance a long time ago :-)
  14. Sleep is important. I totally approve of it. Thank you for all your comments. I appreciate it. I have to admit I did not do a lot of planning when I forged the butcher. I figured I have enough mass in there that I can change the shape any way I like if the current one doesn't quite work out. As for the handle coming off, that's not my experience for the handled tools I have been using. We'll see!
  15. Not a single comment? Not even: Dude, this thing doesn't even have a real blade. Why are you posting this here?
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