How did the whole thing work? Were there any modifications needed? Did the engine behave differently when using it? Did it let off some kind of smell or unusual fumes? How would it compare to LPG?
I’ve recently read this story by a person recounting being a kid in an occupied country during WWII. He mentioned an instance of having tonsillitis and having to take a wood gas bus to go to the doctor in a far away town, and apparently it was quite unpleasant. He possibly meant just needing to go that far by bus alone, but it seemed like he’s referencing the wood gas thing in conjunction with it being winter specifically, and something about a stove was presumably used for heating?
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If you heat up wood in the presence of oxygen, it burns.
If you heat up wood in the absence of oxygen, it gives off flammable gasses, mostly alcohols like methanol.
So basically a wood gas engine heats up wood in a closed container, so there isn’t enough oxygen for it to burn. The gasses are then used just like any other flammable fuel to run an internal combustion engine, or turbine.
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