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Responce to #238. (sorry, snow busy and I got behind reading)
The little angled down pipes in the midsection are rodding down / char-breaking ports.
Would have solid caps for this use. Substitute hole drilled caps then could be primary air in port.jets.
Note the steam releasing stack on the top.
Makes me think this is a batch fed vertical stacked stick wood gasifier. The early cooked off moisture let out. The burnt to charring sticks broken up to maintain a continuous packed char bed.
Sure. A lot of operator fussing labor. But looking at the age of the truck back in the “can’t hardly” (get out of it’s own shadow) era.
Or . . . maybe a peat sod fed gasifier??
Regards
Steve Unruh
Edit add. Ohh, I see. You found a full explanation with illustrations and put it up in #244.
I read French poorly. But using wood. Without a choke/restriction area. Has a thick heavy thermal-mass cast core. Very much an IISC “Mukunda” like type. Only decades earlier. No knowledge of this earlier system in their developments papers. A rediscovered concept. For when labor is readily available, and cheap, for an operator to baby-sit a finicky system.
Oh well. I was half right.
S.U.
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