Jamesrjohnson Posted February 10, 2010 Share Posted February 10, 2010 I'm building a new coal forge w/chimney inside my shop. This will be a open style forge not a side draft design. The hood/chimney will be welded and supported by my trusses. My peak height is 27ft, was planning on the chimney to land around 28ft. Here is my qustion: Would there be any benefit from increasing the chimney dia. from 12"x12" to 12"x20"? -I realize that a side draft forge has more draw, but I need a open/floating hood, to allow for large plate. Any real experience with this would be great! Quote Link to comment Share on other sites More sharing options...
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