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  1. Great pic. Looks like a special file as well. I see two prominent ribs. I hear in the past the file was held at an angle to cut with edge.... I wonder if the thumb guide has a lip on the other side to help anchor it in place? Regards
  2. An update to this old thread. I finally got around to testing the pipe and doing the normalize/HT at night. The pipe does help a lot. And I can see where doing this in any type of light (late evening) can easily result in overheat. The scale is so much less as well. I am not able to see the shadows form while in the pipe. But am able to see them on cool down. I normalized both parts of my o1 wak, then heat treated the tip which will become a kridashi or sorts. I had a 1070 tanto that was already clayed, but I assume also overheated when I normalized my old way, so I scraped it
  3. https://www.google.com/#tbm=vid&q=youtube+recalesence
  4. I like it, but find the show seems to slight the whole heat treating process. As I do stock removal I have more interest in HT than in forging. Thanks
  5. I would add that perhaps you can add some clarity about yourself and any related skills/tools you might already have. In addition, I would suggest, as a beginner, you perhaps start with stock removal and heat treat. Once you have that working then delve into forging. Or reverse. I just think its extra hard to try and learn both at same time. Stock removal can be done pretty low costs. Buy some good steel (or practice on mystery metal first), a hacksaw, some clams, some files, and a disk grinder will get you going along. Start short/small and you can use a brake drum for a forge with lu
  6. On old thread but seemed the best place. I saw a how its made for straight razors, the segment is viewable on youtube: At about 1:13 they do this graphite coating dipped into melted lead thing that i believe is for case hardening. I'd never seen this approach and thought perhaps of interest. Regards
  7. That is his steam-punk respiration filter. Cool eh? I like how the blacksmith chick is never really smithing.
  8. Thanks Brian, rather late then never, eh? I have been busy with work so have not tried to practice any normalization. The issue I have is a "good bright red' may be too hot and lead to grain growth. I want to see those shadows. I have the black pipe, just need the time. And to reiterate, after the blade snapped on the file knife I really heated it, to the extent it should have lost all hardness, yet it was still brittle in that it broke rather than bent when hit with a hammer. I believe that was due to grain growth/lack of proper normalize to begin with. IOW, not a temper fail so much
  9. Deker, that is a good idea. Why try and learn on something that matters? I do have plenty of files. Best regards all.
  10. Thanks again, Alan. The flattening idea is brilliant. Might relieve some stress also. I believe I noted in another thread that you also cover the top of the pipe in coals. That would help even out the heat as well. BTW, some great info from you here watching the shadows and how to do proper descending heat normalize with lack of temp. control. I would love to see those shadows: http://www.bladesmithsforum.com/index.php?showtopic=25957&p=244915 Very kind of you to help us newbs out. I just returned from chopping up some new charcoal, having decided I will try this pipe thing. I
  11. @ George. Thanks. I do believe in this case the brittleness was due to grain size and not just insufficient temper, though that likely also contributed. After the first break I tempered to the extreme with a torch, to the point another file would bite, and the pieces still snapped rather than bend. As for the pipe, I suppose 3" might accommodate most long blades depending on their level curvature. A 4" piece 3 feet long is about 50 bucks. I would think the smallest diameter you can get away with is best. What is the consensus here as far as capping one end? It would seem leaving op
  12. Agree on lack of hamon with O1. Sorry if I was not clear. There was no clay or hamon attempt here. I have tried for hamon in past with some 1080 from aldo in tanto form. The hamon attempts were hot water into oil while these last failed file knife/O1 wack attempts were straight oil (and no clay). I had posted in the past about issues with clay falling off during the constant in/out of the coals to check if at the right temp, which is when the first mention of the iron pipe was made. I've yet to get the pipe, so instead I used some rutlands furnace cement (from advice here) which seemed t
  13. Thanks Alan. I do need to try that pipe trick. I'd considered this before as a way to prevent clay from being knocked off, but can see the general utility. It was getting pretty dark when we did the HT, and I also tried a wak that had a 26" blade. To preach to the choir, I can tell you getting an even heat of any level on the longer blade was a trick; To think I could spot shadows along its whole length seems a pipe dream, to use a pun. Once buried in the coals I find I cannot see what is happening, and in trying I get night blindness from staring into the coals, which then hampers abili
  14. Yes, thanks again all. Given I have crude tools and not much skill, here is the rub. 1. Overheat can cause large grains. 2. To remedy, we normalize 3x. 3. But each normalize is another chance to overheat. As such it seems to get a good HT one has to be able to take to the right temperature 4 times, not just once. Knowing my luck on the 3rd cycle I overheat negating the first two and ending up in same place. This blade stuff is hard. Best regards, and that pic is great.
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