#21  
Old 05-12-2012, 03:13 PM
Faith In Virginia's Avatar
Master Builder
 
Join Date: Oct 2010
Location: Virginia
Posts: 720
Default Re: 42 in Kalamazoo

I'm making another trip to Kalamazoo tomorrow, I'll wave when I go buy.

Looking like a good start to your oven. I'm enjoying your pictures. Keep up the great job.

Have a great night, Faith
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  #22  
Old 05-13-2012, 09:45 AM
Peasant
 
Join Date: Dec 2011
Location: Kalamazoo, MI
Posts: 26
Default Re: 42 in Kalamazoo

Got some work done this weekend. As I have said before, I am totally new to doing all of this kind of work so if anyone can throw any suggestions my way, I would greatly appreciate it. Feeling pretty good about it so far. Not perfect but hopefully functional and it won't fall in.
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42 in Kalamazoo-oven-9.jpg   42 in Kalamazoo-oven-10.jpg   42 in Kalamazoo-oven-11.jpg  
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  #23  
Old 05-14-2012, 05:53 AM
Amac's Avatar
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Join Date: Nov 2011
Location: Ireland
Posts: 356
Default Re: 42 in Kalamazoo

Hi tagertim
I'm probably a bit late pointing this out - and maybe someone with more building experience has a better view. Your internal arch seems to me a bit forward from the dome and they are not contributing structurally to each other.

There are two basic systems it seems to me to tying the dome and internal arch together. One involves cutting a V shape to the dome bricks where they meet the arch (see Cheesesteak and other builds) and the other is to cut the arch bricks at an angle so that the dome bricks meet flush with the arch bricks - see the Octforno build by Giannifocaccia and also Aceves. Sharkey and Karangidude (these are the ones I tried to imitate) and many others. It is difficult to see from the photos but it looks like the arch is standing almost independently of the dome and none of these methods are used.

I would worry that at heat up as the dome bricks expand that they will push the arch forward and weaken it.

I don't like to be negative, and you have done a good job in tapering the bricks of the arch, so please don't make any corrections based on what I am saying, and it may be that your entry will counterract that pressure and add stability.
Nice location in the woods there btw.

Last edited by Amac; 05-14-2012 at 06:05 AM.
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  #24  
Old 05-14-2012, 06:45 AM
Peasant
 
Join Date: Dec 2011
Location: Kalamazoo, MI
Posts: 26
Default Re: 42 in Kalamazoo

uh oh! Thanks for the heads up Amac. I see now what you are saying. Has anyone else had problems with this sort of thing? Do I need to take it apart and move the arch back? Help!
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  #25  
Old 05-14-2012, 06:48 AM
Peasant
 
Join Date: Dec 2011
Location: Kalamazoo, MI
Posts: 26
Default Re: 42 in Kalamazoo

Here is what I have done on the inside.
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  #26  
Old 05-14-2012, 08:20 AM
Amac's Avatar
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Join Date: Nov 2011
Location: Ireland
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Default Re: 42 in Kalamazoo

Yeah it's like what I thought it looks like from the outside. As I say I am no expert on the structural end, and I trust appearances. I would (and did) have no problem standing on the top of my dome when it was finished. I am not sure I would do the same with yours. The FB plans recommend using angle iron supports for the top of the entry. It is a pity they don't include recommendations to help the increasing numbers who use a brick arch.
If you get no other responses on this thread you could email james and see what he says, or try brickie in oz - he is an experienced brick layer with usually some straight to the point comments.
This week we already had a rebuild starting with texman in Amarillo. I would hate to see another one, but even worse would be to have a disaster with a completed oven.
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  #27  
Old 05-14-2012, 09:58 AM
Peasant
 
Join Date: Dec 2011
Location: Kalamazoo, MI
Posts: 26
Default Re: 42 in Kalamazoo

Thanks again for the info Amac. Nice work on your oven by the way! I see what you are saying on your build. I sent Brickie a message asking his advise and started another thread on this topic. I don't want to tear into it but if it could fail I guess I will have to.

Tim
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  #28  
Old 06-20-2012, 05:33 AM
Peasant
 
Join Date: Dec 2011
Location: Kalamazoo, MI
Posts: 26
Default Re: 42 in Kalamazoo

I am down to my last curing fire and hope to cook pizza next weekend. So far all is solid except for a crack in the mortar on the outer arch. Still need to attach the flue but not sure if I should mortar it to the arch??? I plan to wrap it in insulation and box it in cement board. Also was thinking I may have to add another piece of flue on top. Any advice on this? Just mortar the two together and support the top?

Tim
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