Supercharging a Johnson: (Gas Furnace, that is………..)

furnace and anvil 001

 

This is one of those projects thats been hanging around forever. I got this Johnson Gas Furnace at the CAMS Yard Sale a couple of years ago; it was lounging on Steve’s front porch- a freebee that someone never picked up. I jumped at the chance to get it; I had been wanting to explore the world of gas forging for a while (didn’t have too much luck with coal). The lid was cracked in about four pieces (the lifting ring had rotted through), and the gas regulator was missing. I looked into getting the gas rig for it, and quickly found out that a replacement would be upwards of a thousand bucks. Time to get inventive.

 

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