I have been wanting to do this for a while. My buddy has a wood burner in his garage, and is a carpenter (surplus of clean saw dust). He said the first log "burned pretty hot". "About as hot as I have seen it." My mix was a bit more "fatty" than what you have pictured. in 6 mo, there is about 6" of thick sludge in the bottom of a 55 gal drum. I added a bit of particulate laden veg oil I had laying around to the mix to thin it because it was initially really hard on the drill (1/2" dewalt, 10gal of sludge, 1/2 garbage bag of sawdust, 1gal ****ty veg oil), and eventually got it mixed. So far so good. going to clean the flu this week to see any change in condition. I've seen a runaway diesel. Would not like to see a runaway chimney fire.

__________________
1979 300TD