SandHuf Posted September 6, 2017 Share Posted September 6, 2017 Ok so I built a shop recently for blacksmithing. I needed to make a chimney set up so I took an old water pressure tank and used it as the hood. I have 6" chimney single wall going above the roof. The hood opening is 13" tall and about 14" wide. The hood is also resting on the forge. Anyway when I tried using it smoke did go up the chimney but some would puff out towards the top of the hood. The smoke buildup is not good and hard on my lungs. So my question is what am I doing wrong here? I did a little reading on threads and other websites about the chimney needing to be at least 10" or the hood needs to be lower. I can't make the hood lower without cutting more of the tank off because it is resting on the forge. Or should I scrap the hood and buy a professionally made one with 10" chimney? Quote Link to comment Share on other sites More sharing options...
Tubalcain2 Posted September 6, 2017 Share Posted September 6, 2017 your hood should be fine, but you definitely need a bigger chimney. Quote Link to comment Share on other sites More sharing options...
Charles R. Stevens Posted September 6, 2017 Share Posted September 6, 2017 Typicaly we recomend a 10-12" stack. I would suggest rotating the forge a 1/3 turn to the left. That way when you put long stock in the forge you don't have to walk around the blower to get it out. Simple, insert stock, crank blower, remice stock, step to anvil and bash, repeat as necessary. Your arrangement is fine if you only do shoes and rivits. Quote Link to comment Share on other sites More sharing options...
SandHuf Posted September 6, 2017 Author Share Posted September 6, 2017 Thanks for the info but the way I use a hand crank blower I am inline with the blower and insert stock to the left of the blower. Quote Link to comment Share on other sites More sharing options...
Charles R. Stevens Posted September 6, 2017 Share Posted September 6, 2017 If you look at your forge pan you will see 3 bolt holes in the side of it. One in the crank side, and two on the inlet side. Those are for attaching the original shield and hood Quote Link to comment Share on other sites More sharing options...
Irondragon Forge ClayWorks Posted September 7, 2017 Share Posted September 7, 2017 I would lower the hood as a start, then larger flue pipe if that didn't do the job. Quote Link to comment Share on other sites More sharing options...
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