Fire Brick
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iowa arborist Okay, I went and bought some and did this testing the results were…confusing to say the least! I am attaching a screenshot but to say I am shocked is an understatement. The first 4 peeks were from before we added the bricks, then when we added the bricks the wave increase! I would also argue that the waves angle increased, not decreased! I added 12 bricks to the smoker too, so it wasn’t an issue of too few bricks.
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iowa arborist Okay, I went and bought some and did this testing the results were…confusing to say the least! I am attaching a screenshot but to say I am shocked is an understatement. The first 4 peeks were from before we added the bricks, then when we added the bricks the wave increase! I would also argue that the waves angle increased, not decreased! I added 12 bricks to the smoker too, so it wasn’t an issue of too few bricks.
Jonathon Do you know where the built-in temperature probe is located on the PK 100? It would seem that you could get those results if the fire bricks were placed close enough to the built-in probe such that the steadier temperature of the bricks could “fool” the thermostat.
I’m just speculating, but that is one way I would try to reproduce those results (except that I don’t know where the built-in probe is).
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Okay, found the thermal sensor and as it turns out it was right around where I put the bricks, so test#2 starts now with the bricks all the way down on the grease tray.
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Jonathon Where is the sensor? It’s good know that it’s not near the heating element (as that would be a bigger problem), but I also want to place my probe away from both the heating element and the native sensor.
Thanks!
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With the bricks at the bottom they don’t appear to be as steep but it wasn’t the flattening of the curve I was hoping for.
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This post is deleted!
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If I am reading your graph right it looks like you are getting approximately 6 deg of swing, your first run looks to be approx. 20 or more
What am I getting wrong? -
TexLaw The sensor is on the back wall about 3/4th to 4/5th of the way up, right around where the second rack would go.
Jonathon Thanks!
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Woo-hoo! I did something right! Maybe all those years of skoolin’ will finally pay off!
That is encouraging to see how much difference the fire bricks made. Just as aside (and with no graph to back it up), I noticed a significant difference when my water pan dried out, but nothing nearly as drastic.
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TexLaw the water pan would slow down the cook but it wouldn’t necessarily let the measured temperature. By having more moisture in the air the thermal processing will go faster as the evaporation energy coming off of the meat will be lessened.
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