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| S. Heslop:
Take three. It got pretty hot inside. I'm a little worried the files might've melted. Kept topping it up with charcoal. This big rasp is too tall for this really, i'm worried that the exposed end might conduct the heat out too fast. I had the whole thing glowing but after switching it off I compacted the charcoal down a bit and the end was already cool. Anyways, it won't be till tomorrow till I can see how it worked. It at least seems to be cooling slower than with the other methods. |
| S. Heslop:
Decided to pull the big rasp out, and the others came out with it. They've melted and fused together! Might be the end of the rasp adventure. I suppose i'll see how well they softened tomorrow. |
| vtsteam:
Gee, I spend half a summer trying to build a charcoal burning iron melting sawed of cupola, which doesn't work, and you just stuff some charcoal in an old fire extinguisher and melt alloy steel with it! :doh: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: No refractory or nuttin....! |
| S. Heslop:
--- Quote from: vtsteam on June 14, 2015, 05:11:20 PM ---Gee, I spend half a summer trying to build a charcoal burning iron melting sawed of cupola, which doesn't work, and you just stuff some charcoal in an old fire extinguisher and melt alloy steel with it! :doh: :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol: No refractory or nuttin....! --- End quote --- I figure it won't last long till the thing burns through though. I'm interested to see how eroded the inside is after dumping the ashes out (into another fire extinguisher. Might as well hold onto them). |
| vtsteam:
Simon, I think natural draft might have worked better. |
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