Teco, you mean a wood gasifier. It gives off hydrogen from burning charcoal. They seem to work better in a larger size. Used for buses tractors trucks in ww2. Even electric generators if they have carbs. This was the way they were going to power America after the nuclear war. I remember the civil defense book on building them. There were a bunch of variations to the design.
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This reply was modified 3 years, 4 months ago by
Brulen.