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The power of ash....

post #1 of 7
Thread Starter 
What difference knocking a bit of ash off the coals can make. Cooking my overnight brisket at a stable 234° since about 9:00pm. Thought I'd knock the ash off before I get another beer. Just tapped the bottom of the WSM with my foot two times. Temp went from 234 to 255° in 2 minutes.

I have it settled back into 240° but I thought that was pretty wild.
post #2 of 7
Interesting tjs ! Sounds like the ash maybe works as a insulator ! Makes sense I think.... biggrin.gif
post #3 of 7
Ash build up chokes off oxygen to the heat source. By removing the ash your charcoal/lump was getting more oxygen and burned hotter.
post #4 of 7

Charcoal, especially briquettes, burn from the outside in.  The ash definitely works as an air insulator.  Knock it off, new outside exposed to the air!

post #5 of 7

I have often thought about building a "knocker" for a small smoker to keep the coals ash free.  An electric solenoid which taps a plate on the side of the smoker a few times every 20 minutes.  (Honey, is someone at the door again? I am getting tired of these kids knocking and running away when you are smoking).

post #6 of 7

Before I got my BBQ guru my WSM got a couple of light kicks every 3 or 4 hours. Using the guru burns the charcoal down to nothing without any outside help.

post #7 of 7
Quote:
Originally Posted by Damon555 View Post
 

Before I got my BBQ guru my WSM got a couple of light kicks every 3 or 4 hours. Using the guru burns the charcoal down to nothing without any outside help.


Amen Brother!

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