Amon Posted July 23, 2011 Share Posted July 23, 2011 Since I have regain some of my spare time I have been working in my shop more now and I desided to scrap my old propane forge plans and cook up a new one, and I was playing with my fire bricks, to give my self an idea how I may do it, and inside the chamber its 9" high,8" wide, with a 4" wide chamber door and I was wondering what is consider a "large forge" or " small forge" Quote Link to comment Share on other sites More sharing options...
freeman Posted July 23, 2011 Share Posted July 23, 2011 It all sort of depends on what kind of burner you have, how many you plan on using and if you want to be able to hit a welding heat with your forge. A quick back of the napkin calculation indicates you're looking at 648 cubic inches of interior space. Ron Reil's forge design page has a bunch of great info regarding BTU per cubic inch and burners per cubic inch required to weld. Quote Link to comment Share on other sites More sharing options...
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