I found a couple of old pan head screws in a drawer that were just a bit larger than the secondary holes and they dropped right in. There are eleven holes and I plugged two of them, so a 17% reduction in flow through the secondary air manifold. This seems to be all I needed and is easy to reverse for warmer weather. If the stove still wants to be rowdy when it gets closer to zero I can add another screw or two.
Wow!! Nice stove. I see!it’s one of the few cookstoves with the firebox on the right side. Man...5 pages already. Lots of interest. That’s good. Can hardly wait to read the entire thread and see if it can burn coal too. I know we had discussed that. I’ll try and read this tomorrow.