Satamax Antone wrote: Is the vertical port absolutely necessary in a batch? I'm thinking of an horizontal port at the back, for example, 2/3rd up in the firebox, and à bit of horizontal "riser" behind. Another type of arrangement. But this could be really be useful in cookers.
Travis Armstrong wrote:Peter what are the dimensions of the tunnel or firebox as well??
Brian Livelsberger wrote:Someone over on Donkey's forum linked to this thread, and I'm glad I clicked through. I just had to register here to jump in on this thread. Since I don't have a testo, I'm excited to see how this will progress. I'm particularly interested in the difference between how the double vortex and the "fire fountain" compare. I have tried a round port (4" and 5" diameter versions, though I don't think I have documentation), and if I recall correctly, it created a quite turbulent result. I have a couple more ideas I want to try in my own setup, so hopefully time will permit more tinkering soon. Thanks, as always, for sharing your work!
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