Portland, 2005 - Jim was very taken with a hot tube Briggs and Stratton in the oilfield engines area. He studied it closely, and under two weeks after we arrived home, this was the result!

 Hot tube, made from a spark plug and thick wall stainless steel tube  Hot tube chimney, made from scraps of stainless tube and flat sheet  Hot tube components  Modified gas torch for flame

 Gas to hot tube and valve to carburettor  Running! The exhaust is designed so that in the future, she'll blow smoke rings constantly Blowing smoke rings!

This is the pull start side
 Propane-powered, hot tube Suffolk Colt lawn mower engine

To see a 4.7MB video of the engine running, click this button

Engines restored by Jim

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