I have been doing HVAC sheetmetal and architectural sheetmetal fabrication and installation since 1969, and have owned my own sheetmetal business since 1996. I will be glad to give any of you tips or my ideas on what I feel will be the easiest and most economical way to build your oven shell. I think that the simplest way to build an oven - for someone who doesn't have easy access to fabrication equipment - would be with metal studs, flat sheetmetal and metal stud floor track. I just finished building a 4' x 6' x 6' oven, but I wouldn't recommend the method I used on it. In fact, I won't build my next one the same way. I hope to get caught up enough with my other work in the next week so that I can hook up my propane torpedo heater and see if it will work for a heat source instead of electric elements. I will also try to take some pictures and get them posted.
Leo
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