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  #11  
Old 10-19-2012, 12:10 PM
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Default Re: Internal rendering

Bricky,

There is a baffle system on there too, steel plate moved with a cable.

EDIT - I enjoyed reading your wiki too, where did that go?
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  #12  
Old 10-19-2012, 12:12 PM
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Default Re: Internal rendering

Without insulation over the top it will never stay hot.
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  #13  
Old 10-19-2012, 12:15 PM
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Default Re: Internal rendering

Brickie, I dont need it to stay hot all day really, I only need it to get hot enough to cook pizza.

Where did your briki wiki go? I used to read that....
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  #14  
Old 10-19-2012, 01:46 PM
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Join Date: Jul 2010
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Unhappy Re: Internal rendering

Firebricks aren't insulation. And you really really want to have insulation or it will take a forest of wood to get in temp. And even then it will not perform good.
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  #15  
Old 10-19-2012, 07:09 PM
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Default Re: Internal rendering

Quote:
Originally Posted by Laku View Post
Firebricks aren't insulation. And you really really want to have insulation or it will take a forest of wood to get in temp. And even then it will not perform good.
You are also going to be sucking heat into the slab out of the dome because the dome is sitting directly on the slab. There are a great number is serious issues with this oven design.

Chip
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  #16  
Old 10-19-2012, 08:51 PM
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Default Re: Internal rendering

Too late to do a fix up now. My first oven had a central flue at the apex of the dome and in spite of members derisive opinions of this design it actually works pretty well. Ancient Roman kilns used this design. There are also some small domestic ovens at Pompeii that also used this design. Yes, you do lose some heat out the flue, but if the oven is small this is not really an issue. The two big advantages are that it draws beautifully, no smoke at start up because you are not trying to bend the flame. Secondly there is no entry to have to work past so accessibility and oven management are much easier.
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  #17  
Old 10-19-2012, 09:18 PM
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Default Re: Internal rendering

Quote:
Originally Posted by 7.62 View Post
Where did your briki wiki go? I used to read that....
I deleted it, I got sick of all and sundry stealing my content for their own websites, I did intend writing an ebook for Amazon but havent had the time.
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  #18  
Old 10-19-2012, 10:46 PM
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Default Re: Internal rendering

Hi 7.62,

You stated that you build this for a friend. Does he have much money invested? I think that you should inform him of the down sides of this oven before he invests more into a project that might end up as a white elephant.
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  #19  
Old 10-19-2012, 10:49 PM
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Default Re: Internal rendering

Quote:
Originally Posted by 7.62 View Post
I only need it to get hot enough to cook pizza.
.
Without insulation that may be a challenge.
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  #20  
Old 10-19-2012, 11:00 PM
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Default Re: Internal rendering

Quote:
Originally Posted by 7.62 View Post

There is a baffle system on there too, steel plate moved with a cable.
At pizza temps then the steel will distort and more than likely melt the cable.

Its a bad design unfortunately, pity you didnt find this forum earlier.
The good news is that for your next build you will be armed with all the knowledge to build an oven properly.

The other good news is, there will be a next time, Ive rebuilt my own oven after finding the "true" facts on oven building.
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Last edited by brickie in oz; 10-19-2012 at 11:07 PM.
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