So... I finally got to test burn with the baffle/damper in place. I'm very pleased with how the stove performed. In a future version I think the secondary air above the door should be adjustable, but for my first season hunt this will do nicely.
I got 1L of water to a rolling boil in about 14 minutes. It may have been sooner, but I was distracted for a bit and didn't check any earlier.
The heat profile in the pictures shows a MUCH hotter hot spot right under the pot where I wanted it. And the secondary air above the stove does seem to provide a secondary burn right under the pot.
The front/back selection with the dampers to control the flue gasses also worked out nice as I can adjust the heat to the pot or send the flue gasses to the back when loading the stove. With both of the dampers nearly closed it does a nice job of reducing the draft. The dampers in combination with the inlet air control provided well over two hours burn/heat from the last load of wood which was 3-4 min into the boil test. The stove ran full tilt for 20 min or so while it boiled water and I played with it before I damped it down. About 90 minutes after the last load of wood I opened it up so that I could burn it down and get to bed... at the 2.5 hour mark It's still got hot coals in the bottom that I stirred up.
--thumper338
BEFORE baffle
AFTER baffle