Max, you are right on the numbers! My fault.
As for the velocity of the ring of fire nozzles, l think the forged rings dont influence much. They are spaced about 10mm apart, with a 3mm nozzle in between. The purpose of them has been borrowed from Mr. Wayne, they shuld work as heat sinks to protect the firetube around the nozzles.
But l now see the importance of what was told to me a while back, the thing about gasifiers being female and the lower part being satisfied. Wery true!
The fact is, on this sistem, the oxy zone realy isnt wery special. Its just a oxy zone still. But l think we all (at least l did) underestimated the reduction zone. Afterall, this is where the magic happens, right?
We have to put more effort there.
Ok, my share in the reduction zone knowlidge soup:
You can see the amount of char in the system. About a liter oxy zone and 20l of reduction zone. About half of that is useable char reserve, there for heawy acceleration and similar (sort of like a WK).
Its interasting, althugh ash did build up in the system, it was all located at the wery top. The active reduction zone is ash free.
Thus, power and performance were still mildly effected, but the a/f setting did require a stronger setting.