I picked up a piece of 24" pipe today that I found on Craigslist that is 86" long. Pipe is 3/8" thick. I plan to use it for the firebox as well. I have a few questions to get me started. I will be posting pics as I go. How high should the plate be from the bottom of the pipe? Where should I cut the pipe for lenghts? I was thinking a 30" firebox, and that would leave 56" for the smoker. On a smoker this size, what size pipe should I use for the stack, and how tall? I can't wait to get this thing started, but have to get some plate steel first.