I wanted to build a 39 inch oven, so took the recommended dimensions for a 36" and 42" from the FB plans and interpolated what a 39" should be. The door to dome ratio actually came out closer to the recommended 63% than the larger or smaller oven from the plans.
Opening | Opening | Ratio | |||
ID | Height | Width | Height | ||
36" | 36 | 18 | 19 | 12 | 66.67% |
39" | 39 | 19.5 | 19.5 | 12.25 | 62.82% |
42" | 42 | 21 | 20 | 12.5 | 59.52% |
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