Backyard Foundry

I made this a few years ago from an obsolete propane tank. The lining is refractory cement with perlite added for insulation. The burner is made from iron pipe using a reduction fitting as the venturi and a capped tee with a #60 hole drilled through the cap for the gas jet. It is quite efficient and compact for the job it does. Due to this portability it could easily be used in remote areas to melt precious metals for refinement, transport, assay and trade. I recently completed the Graphite Crucible pro