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Historical Inspiration This forum is dedicated to the discussion of historical knife design and its influence on modern custom knife work. |
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#1
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Making Tamahagane
Hello Folks:
Ive found myself getting sucked into the mystery of the Japanese blade while here in Okinawa. I am going to try my hand at making some steel when I get home. Ill describe the process I have in mind, if anyone has any hints or suggestions, please join in, I know just enough about this to be dangerous! Building a large container for the furnace, thinking 3'long x 1.5' wide x 4' tall stacked concrete block filled with sand, then a healthy layer of clay on the inside with the bottom shaped like a V to funnel the melted liquid. Have a side blast air vent @ 1' above gound level. (will a electric blower be too much air?) ' Fill with wood and burn down, fill again, let burn down. Then layer charcoal (how thick?) then a layer of black sand(how thick?) repeating this process until the furnace is full. do I need to put a top on this to help hold the heat? Im thinking the result will be a spongelike mass of Tamahagne. Any idea how much ore will be had from a certin amount of sand? Also would adding scrap iron such as nails, and wire be benificial to build up the iron ?? Or would this just be a contaminate? Thanks for reading, any ideas are welcome!! God Bless Mike __________________ "I cherish the Hammer of Thor, but I praise the hand of God" Last edited by DiamondG Knives; 01-29-2004 at 04:10 PM. |
#2
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Well that is a hell of a project. Two years ago when I used to get around the Bugei Sword Forum there was a lot of usefull stuff there on the subject. They reseted the forums though and I am not sure what happened to the earlier messages. I will try to dig something up during the week and keep feeding this thread.
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#3
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You need a belows or some kind of forced air circulation. In Jpz tarawas, the steel doesn't get exactly to melting (at least, I don't think so).
__________________ "The greatest productive force is human selfishness." Robert A. Heinlein |
#4
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Would an electric blower work?
__________________ "I cherish the Hammer of Thor, but I praise the hand of God" |
#5
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Awesome project; I hope to do the same one day. Anyway, I don't know a lot about it; but on Mr. Fogg's site, Louis Mills has some pictures. I know he makes some great katana from what I hear. Here is the site.
Hope that helps some. Nathan __________________ Nathan |
#6
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Thanks Nathan, Thats a great site! I hope to share my trials on this as soon as I can get home.
God Bless Mike __________________ "I cherish the Hammer of Thor, but I praise the hand of God" |
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blade, knife |
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