OT damper position - temp relationship

[HoosierKettle]

Some time last week I was doing cooking hot and indirect. About 3/4 chimney of kbb. It was running in the 400 range and I closed the bottom and left top open. 10 minutes later it was 300 and still dropping. That's not surprising as I use the bottom damper to control heat all the time. My question is will bottom closed top open slowly but surely put the fire out or does it stabilize at some point?  Just curious.


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[kettlebb]

Not that I've done it but I'd think it would eventually snuff out the coals but take longer. One caveat is wind direction. If any wind can blow into the top vent it would keep burning. My own speculation here.


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[mhiszem]

With the bottom damper closed there would not be much air circulation. So even if it stabilized I would think you would want to circulate "stale" air out and keep "clean" smoke rolling through it.

[SMOKE FREAK]

Completely closing the bottom vents pretty much starves the fire of oxygen...Just a matter of time till the coals go out...

But you know that already