Some more progress to report on this project.
The chimney flue has been largely completed. I found these copper canisters at the local scrap metal merchant, where I pay by the kilo for copper, brass etc… so the price was pretty good. They have close fitting caps which I made into a sleeve to join them and also the base for the chinamans hat top. Being copper, it means I can add to them with brass and solder the lot together. Heat shouldn’t be too intense at the chimney top so a soft solder was also possible there.
Chinamans hat top to flue
The base was then slid up inside the drum to form the oven floor. Bolts through the side hold it in position. As this was formally the base of the drum, it is an interference fit into the drum, hopefully meaning the oven will be smoke proof. We’ll see how it works in practice!
Oven base rests on bolts with flue thru
The chimney is fitted through the oven base and drum top. Some filler will be needed to seal these through joins. Not sure yet what that will be. Clearly it will need to be heat resistant at the lower point.
Beginning to look like a burner!
Things are starting to look a bit more like I intended now, which gives me some motivation to get the rest finished. Stay tuned.
Brian.
Tags: 44 gallon drum, oven, stove, wood fired
Hi Brian,
You mentioned a need for a heat tolerant filler where the chimny penetrates the oven floor. Have you considered using muffler putty?
JP