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Niels Provos

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Niels Provos last won the day on March 25

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. Yes, precisely. I can dial in my propane forge so that there is no excess oxygen or even run it with excess fuel, i.e. a reducing atmosphere. While I have never worked with an induction forge, I imagine most would run them in regular air with lots of oxygen around happy to create scale.
  2. Hi Dan, Particle Counters definitely seem like the the way to measure that. They are still very expensive, e.g. around $2000 for the cheapest version. Probably overkill for what I need. I like the non high tech method with the sampling tray. I will think about that.
  3. As you might know from my Youtube videos, I built myself a mighty metal dust collector. It seems to work alright but it made me wonder how I could test the quality of the air in my shop. I tried this laser illumination method: Has anyone here figured out how to measure the air quality in the shop?
  4. Dave, since you had an induction forge for ~8 years. What's your verdict? How often do you use it? What do you use it for? I would imagine that oxidization is probably much more prevalent unless you house it in some kind of noble gas.
  5. It's good to get different perspectives on Forged in Fire. A few years ago, I got a spam email as well to see if I wanted to participate. As an amateur who only has a few hours every weekend, it did not make any sense for me to consider. However, even apart from that, I do not believe that Forged in Fire portrays the essence of the craft. What I enjoy about bladesmithing is my ability to focus on just what I do: working in my shop, using my tools and my process. I also like to work safely with proper ventilation, proper safety equipment and without seeking the thrill of just barely having avoi
  6. We were behind on security patches and I had some time this afternoon to watch an upgrade. It seems that the upgrade, yet again, changed the visual look of the site. One of our trusty admins may find the time to tune it but what is more likely is that we will need to get used to the new look. Happy Hammering, Niels.
  7. Here is the metal dust collector painted in a high performance two tone color scheme.
  8. It's a very small axe actually. Less than 7in long.
  9. It will be wire inlay but somebody else will do it for me :-)
  10. The groves were also overlaid with gold according to "Axt und Kreuz" where I got the text from. It would be odd to the cover them up with leather thongs :-)
  11. My books tell me: "Sie gehört zu der Gruppe der Breitäxte des 10. Jahrhunderts, die besonders für Dänemark kennzeichnend ist. Die Höhe dieser Axt von Mammen beträgt 18 cm, die Schneidenlänge 11 cm, die Helmlänge 2,6 cm. Die dreieckigen Schaftlochlappen sind etwas beschädigt, sonst ist die Axt sehr gut erhalten und — das muß vor allem betont werden — auf beiden Seiten mit Gold und Silber verziert. Das Übereinstimmende mit den früher besprochenen verzierten Äxten ist zunächst das Vorhandensein der Hohlkehle auf beiden Seiten unterhalb der Schaftlochpartie, die mit G
  12. I am curious if anyone has detailed measurements and weight of the Mammen Axe. I have not looked at my books yet but online information is sparse. Basically: Økse fra Mammen, C133 https://samlinger.natmus.dk/DO/asset/2359 Length 17.5 cm If anyone of you has more details, I would appreciate it. Here is a photo of a reconstruction I took many many years ago:
  13. Got everything enclosed today and just need to finish the inlet.
  14. I made a little bit more progress on this project. Let me know what you think - it does involve some blacksmithing:
  15. I think it's called a blacksmith helper. You could do the same thing with a spring fuller. That's how I used to forge them before.
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