Cutting the tank. I read here of someone filling it with exhaust from their ATV to drive out the oxygen. That seems like a good way to preclude a big surprise.
Wood Burn, check out my photo bucket. I built a fuel tank rig a couple of years ago. While I was building it I had the thought that it would have been easier to build a arch following a set of plans and building with angle iron. There are no plans for a tank arch, so building one is sort of a best guess. I spent a lot of time looking at it scratching my head.
But, I'm happy with the out come. A couple of things that I learned is, air over fire is worth the effort and you must insulate.
Lots of luck.













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