I do have air over fire, and it works well. I used to get just a little streak of scorching along the pan wall of whichever side I was drawing off.
Since AOF that has disappeared. I still think I need to push a little more fire back on the flue pan. I really should just get the ambition to build a
new arch. Mine is a really old Soule, I had rebuilt when I bought it back in 2009. I've gone though about 3 upgrades since then. But I'm sure
if I built one from the ground up I would get a little more efficiency.