Jchio

I had some leftovers of our new house, they were scrap but I managed to save some. Here is some info on it, its so easy to work and ultra light weight: http://www.hebel-usa.com/en/content/block_solido_hebel.php

Thanks for the input!! I choose to make it out of high alumina bricks because is what I had handy. The outer shell is cellular concrete. Ive done a couple of one hour+ runs on the forge and the outer shell stays around 90º (pretty much ambient temp). Ill move up the cone, to keep it from melting.

You are right in the cone remark, it became red after a while. Although the burner tube did not heat that much. I will pull it up an inch or two. Im around 280 cubic inch

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Todays work

Im new to this, here’s the begining of my forge build up