http://www.smokingmeatforums.com/a/reverse-flow-smoker-how-to-calculate-build-tutorialHonestly had been looking at building a 20x40 and stumbled upon this forum and your post by happenstance! Excited to find it and see someone with something very similar to what I was wanting.
Any reaso. You went with more area between the RF plate? I think my math had it at like 50ish sq inches.