Quote Originally Posted by merl View Post
How long is it expected to last before rusting through? Is the plan to just replace the barrel when that happens and keep on going?
Wranglerstar has been burning used motor oil in his to increase the heat and at the time of his video he had his for three years without burning the barrels out. The fire brick or sand is supposed to protect the bottom from burn out. So far, it seems as if the bottom is the coolest when the ash builds up. I've had over 500 degrees on the top and only in the 200's on the very bottom. I haven't planned for a new barrel, as I don't know hoe long we'll live here.