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Glaze firing schedule for gas kiln

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Red Rocks

My little 12 cubic Burman updraft has 6 burners pointing up like yours-(Its almost to cone 10 now) and I do not even put cones on bottom as its always hotter there and I fire it only with top cones.I load all the need heat glazes on bottom and cool glazes on top and its worked great like this for past 20-25 years.I know its always a cone or more off on bottom and just accept it.

Mark

 

 

 

Mark

 

 

Sage advice as always from you. That is probably where I will end up as soon as I figure our which glazes thru at each temp.....

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You don't want to put anything directly in front of the burner port. Assuming we're talking about burners going in horizontally, there should be a target brick in the middle of the firebox that breaks up the flame.

 

 

 

Actually the burners are vertical - coming up through the floor - right in front of the bottom peep. The idea is to put a post or refractory across the middle of the port so that you are not blocking it - just moving the flame to each side.

 

 

I also heard today that a local teacher user a rebar pole and he touches the cone when he can't see it. This seems to make the cone easier to see. I am going to try that next time.

 

 

 

I wouldn't put anything across a port. It would probably cause back pressure more than anything, unless the block was above the port at least a couple of inches.

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