Mat got it in one; sometimes its due to the fuel burning so hot that you cannot bring in enough air it smooths out pretty fast
Need more info?
Ernie and Erica
Wood burning stoves, Rocket Mass Heaters, DIY,
Stove plans, Boat plans, General permiculture information, Arts and crafts, Fire science, Find it at www.ernieanderica.info
Location: Southern alps, on the French side of the french /italian border 5000ft elevation
posted 7 years ago
Thanks a lot guys. I'll check the flue junction then.