#11  
Old 11-05-2013, 06:10 PM
mrchipster's Avatar
Il Pizzaiolo
 
Join Date: Apr 2010
Location: Minneapolis, MN USA
Posts: 1,240
Default Re: how do i know

You are getting quite a bit of smoke out the front because your flue is to small for the size of the oven. I see significant smoke staining on the outer brick, ideally you would have no staining. You are also losing heat via the flue because your door is outside the flue, much of your heat is escaping out the flue.

Is this a dome or barrel? It seems to be a barrel style. Do you have a baffle in the flue to try and reduce heat loss there?
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  #12  
Old 11-05-2013, 11:33 PM
Serf
 
Join Date: Oct 2013
Location: S,YORKSHIRE ENGLAND
Posts: 16
Default Re: how do i know

It as 2 baffles in the flu the smoke was due to one of the baffles not been open fully due to a bit off broken weld (im not the best welder) and I did not notice till a week of curing it ..I have still got a larger pipe to put round the flu to insulate the top of the pipe.....the inside is shaped like the mirror part of a rectangle car head light so part barrel part dome
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