 Re: Bigger ovens
The size you are suggesting makes it about 68 inches diameter with about 25 inch high dome...most ovens here end in the 50 to 60 inch range but I don't see why this larger design wouldn't work...would take more would to heat up but as you said you have no shortage of fuel...my only concern is that the door opening height seems a bit high in relation to dome height...the ratio you mention is about 70% and most ovens are most efficient in the 63% range...so more like 415 door height...other than that I see no problem.
Best to you!
Dutch
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