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Post by matthewwalker on Oct 6, 2017 16:16:26 GMT -8
These are pretty good numbers Manu. Hard to interpret without context, what part of the burn, how it looked during other parts of the burn, etc. A logging meter, or a sequence of samples like this one, will give a lot more info to make interpretations from.
If this is the very best part of a run, you could probably be running hotter, dropping the O2 and burning more CO. They usually test better running as hot as you can bear. Hard wood cut small, dry.
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manU
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Post by manU on Oct 8, 2017 4:42:11 GMT -8
Thank you for you reply Mathewwalker. That was a good moment of the burn,but similar to the previous hour or so. It was The second half of the burn. The first 30 min or so wasn't as Good. Wet fuel, not The best start. We tried burning hotter but The CO went up. Maybe not enough turbulence?
Anyways, I had lower expectations for The efficiency, so I think Good enough for such a low cost and "primitive" build.
Can you recommend any info that would help me learn to use and understand better combustion analysis??
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Post by matthewwalker on Oct 8, 2017 5:11:57 GMT -8
I don't really know of any good resources. Here's a video I made of a test of my J. It's quite old now, and I've since learned a lot but perhaps it will give you some insights.
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Post by Orange on Oct 9, 2017 12:22:18 GMT -8
did anyone tried to make pizza on top of the barrel like this:  |
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Post by briank on Oct 9, 2017 16:33:19 GMT -8
did anyone tried to make pizza on top of the barrel like this: Yep:  |
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Post by Orange on Oct 10, 2017 7:37:59 GMT -8
well of course, perfect for jumbo pizza  |
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manU
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Post by manU on Oct 11, 2017 4:08:17 GMT -8
Thank you for that video matthewwalker. Very helpful.
Orange: I had thought about a similar idea, just like briank made it, but have never tried.
Briank: I wonder how The temps were? How is cooking in that set-up? Would you recommend it?
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Post by briank on Oct 29, 2017 23:38:30 GMT -8
I wonder how The temps were? How is cooking in that set-up? Would you recommend it? The top of the barrel gets pretty hot, as much as 900•F or more if I crack the firebox door, so it gets plenty hot. I just have to watch it close so that the crust doesn’t get overdone before the rest of the pizza. |
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Post by Orange on Feb 3, 2018 3:31:38 GMT -8
what is the highest temp in the oven manU? It is amazing that such a small stove can power an oven and large mass.
the highest temps i've seen with 125mm system are 470C on the barrel and 970C in the feed tube.
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manU
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Post by manU on Feb 4, 2018 17:06:43 GMT -8
Hi Orange. I use a magnetic thermometer on the front face of the heat exchanger just as a reference for What I in practice consider a desirable cooking temp, but haven't done any more accurate measurements of inside the oven or elsewhere. I can tell you that in practice it can burn potatoes very fast if put at highest power. I would say that when my thermometer reads 200 to 250 C cooking times are similar to my electric oven at max saying 300C. But for heating if needed can ran in the 350 to 400C range
The fire is much closer to the oven, compared to the top of the barrelI in a J.
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