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Old 10-11-2013, 05:55 PM
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Default Re: Mortarless dome/vault?

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Originally Posted by david s View Post
Many kilns are built using bricks without mortar. It allows for free expansion. There is way more expansion in a kiln than an oven because the temps are around three times higher.
That is true David, and I agree with that engineering, just not for WFO's.
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  #12  
Old 10-11-2013, 05:56 PM
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Default Re: Mortarless dome/vault?

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You must have maxed out their bandwidth as the page is unavailable.....
It pulls up fine for me every time, maybe because you are in OZ?
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  #13  
Old 10-11-2013, 06:19 PM
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Default Re: Mortarless dome/vault?

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Originally Posted by stonecutter View Post
It pulls up fine for me every time, maybe because you are in OZ?
No, it works ok for me. Not Oz, maybe your computer.
Four things I don't like about this oven...


1. Updraft system, heat will probably be uneven. Probably cool corners. Heat loss out flue.
2. They are curing it in 3 hrs from wet completion.That's asking for trouble in my book.
3. Right angle bend on flue. Poor exhaust.
4. Big heat loss from that air intake under the stoking door, unless it's plugged up for retained heat baking.

Having said that, it probably works pretty well. After all every design is some kind of compromise.

Last edited by david s; 10-11-2013 at 06:21 PM.
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  #14  
Old 10-11-2013, 06:42 PM
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Default Re: Mortarless dome/vault?

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Originally Posted by david s View Post
No, it works ok for me. Not Oz, maybe your computer.
Four things I don't like about this oven...


1. Updraft system, heat will probably be uneven. Probably cool corners. Heat loss out flue.That is because the builders belong to a Masonry heater organization, and this design is incorporating some of that technology.
2. They are curing it in 3 hrs from wet completion.That's asking for trouble in my book. Big agree here. That is wrong for every reason except two...temporary, one day event.
3. Right angle bend on flue. Poor exhaust. Again, temporary oven....I know a couple members of the organization, in fact my old next door neighbor was one...and he is a leader in the industry, and a master craftsman.
4. Big heat loss from that air intake under the stoking door, unless it's plugged up for retained heat baking.Three times for emphasis....it's a temporary oven. Trust me, these guys KNOW heat retention....that is what masonry heaters are all about.

Having said that, it probably works pretty well. After all every design is some kind of compromise.
Good discussion....your final point is spot on.
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  #15  
Old 10-11-2013, 08:30 PM
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Default Re: Mortarless dome/vault?

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Originally Posted by stonecutter View Post
That is true David, and I agree with that engineering, just not for WFO's.
Can't see why not, maybe not suitable for a dome, Because of the complex tapers, but a braced or buttressed barrel vault should be ok.
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