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Niels Provos

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Everything posted by Niels Provos

  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.
  16. Here is the video I recorded on making a kitchen knife from just a round bar - integral bolster and everything. Let me know what you think:
  17. Those are some really nice spearheads. I enjoyed watching your video as well. Nice job on showing your process. I got a little bit anvil envy :-)
  18. We had some hick up with Siteground today. Unfortunately, with work schedules, it took a while to fix the forum. It looks like everything is back to normal. Thank you for your patience.
  19. The top knife is the one where I filmed making it. It's been a struggle to find time for video editing though:
  20. I got this design from John West. It really comes in handy.
  21. I think I relieved them sufficiently. It's hard to see on the image. It has been holding up fine in use so far. Use being one kitchen knife :-)
  22. I am video documenting making another kitchen knife like this and realized that I did not have the right tools. Here is a video making dies for the blacksmith helper:
  23. Here is the knife I made for myself. I broke off quite a bit of tip when trying to straighten it - we only had time for a 30 minute tempering cycle. I also did not have the right clay at the shop, so the hamon is not particularly inspired. However, it performed well against the purchases from the farmers market :-)
  24. A woodworking friend was visiting me in the shop and we spent a day forging a couple of kitchen knives. I don't have pictures of all the steps. We started with 4.5" of 3/4in round bar (W1) and forged an integral bolster. Blade lengths ended up between 6 - 7in. Here are some photos starting with normalizing and then fitting the cocobolo scales. The bolsters are hard to see and we had very limited time so everything was a little bit rushed: We hand filed the bolster to create a better fit with the wood and then drilled holes in each scale:
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