Originally Posted by starsman
Here are a couple of photos of the lid. I have to confess that I have full access to welders, cnc plasma cutters, a press brake, and a full machine shop. This was my first go. I think in the next few months I will have a bunch of these seeing how I found a barrell source for 16 dollars. We also have a sandblaster so my next barrell will be a lined one that I sandblast myself. I do have some grinding to do on this lid before I can paint it.
Something similar from Turner Biodiesel, less work and a little bit of fabrication for the seal and exhaust;