Interesting read. I am starting my second season on a Mountain Man 500 after struggling some my maiden season but realizing that much of the issue was wood (and a green horn's learning curve). I installed the stove last December and didn't have half the wood I needed and when I went scrounging for wood I had issues with the fire going out and increase wood use. Plus I noted it smoked more and creosote build up increased. This season I built a 20x8 wood shed next to the stove and filled it by the end of October and so far my burn this season has been great. With good, dry, seasoned wood - most of it oak I have been getting consistently a good bed of coals and the fire doesn't go out, it burns cleaner and the whole thing is so much better than last season.
I also learned another trick when loading the stove. Several of the times when my fire went out I noticed a log was dead center up front blocking the air flow from the damper. The coals are always more numerous towards the stove pipe in back so when I load it I put two pieces parallel with the air flow up front but apart and stack more on top and just throw pieces in to fill the back. This creates an "air tunnel" up front which lets the air get to the coals and wood in the back part of the stove.
It feels good to get in a rhythm and my MM 500 is doing great.
kc