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  #31  
Old 07-29-2013, 07:10 AM
UtahBeehiver's Avatar
Il Pizzaiolo
 
Join Date: May 2012
Location: Salt Lake City, Utah
Posts: 1,900
Default Re: 38" build in southern IL

If you got it use it. Be prepared, you will get cracks, it is a fact of life with these WFOs. Adds character. As I was laying bricks I did use leftover homebrew on my dome just because I did not want to waste it. Take your reading all over, your just want to make sure you do not concentrate the heat in any one place, unequal thermal expansion in one of the culprits to cracks. Are you insulating with ceramic fiber or vcrete/pcrete or both. If using vcrete or pcrete, save you cement to use there too.
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  #32  
Old 07-29-2013, 07:32 AM
Apprentice
 
Join Date: Apr 2013
Location: illinois
Posts: 130
Default Re: 38" build in southern IL

These smart phones are great! The phone bell rings when an email hits the phone.

After the refractory concrete coating over the brick dome I will insulate with a two inch layer of ceramic fiber blanket. The plan at this time is there will be the cast manhole pipe which will be set on top of the dome and blanket, then I will fill the entire space with course vermiculite insulation. I found a horticultural warehouse not far which carries 4 cubic foot bags pretty cheap. Hopefully that will provide enough insulation?


thanks..jon
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  #33  
Old 07-29-2013, 08:36 AM
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Default Re: 38" build in southern IL

Should be golden............
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  #34  
Old 08-05-2013, 04:05 PM
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Join Date: Apr 2013
Location: illinois
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Default Re: 38" build in southern IL

It's been a week or so since I have posted pictures. The weather has finally been cooperative for outside masonry, so lots of work has been accomplished, at least for a peasant. Dropping the plug in was a milestone. Then on to the entry and outer arch.

The concrete sewer pipe base to support the oven platform idea started off pretty to what I thought would be a clever and creative idea, but when it came to the outer arch and oven entry to support the 2 sections of clay tile flue I was having second thoughts and it became quite a challenge for a peasant like me. All my up front planning and mental design thoughts from this winter and spring hit a brick wall as I started laying out the oven arch for the flue. I have been reading all the threads and posts about having enough flue diameter and was concerned about the volume above the inner arch. I ultimately decided to use a clay tile flue with a ten inch outside diameter (eight inch inside diameter). A big part of the issue is the 6 foot concrete barrel section which will cover the dome has a six inch thick wall. Thus i had to push the flue inside the arch quite a bit. I hope this won't be too much of a problem loading food into the oven as it does seem like it is a ways in there. Guess I will need to invest in a long (a really long) handled pizza peel. (Gulf did comment earlier in the thread on this overkill design could have some functional problems...he may be right)LOL

Still need to wash the clay brick down. I am going to try some vinegar first and if that doesn't work I'll try the mild muratic acid.

I had to see what one section of flue would look like so I just have it setting on top temporarily. And to take a pic....love those pics. I removed it after the pic so I could cover the oven as I do every night and put it to bed....just in case it rains. Anyway, the oven is resting a couple days before I start the curing process. Think i will try a quartz lite or a small heater first. I may try the heat beads also before the wood fires.

Now on to the door!!!

Thanks to all who have posted on the forum, I am forever grateful to those who have shared their knowledge and wisdom!

jon
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38" build in southern IL-img_0545.jpg   38" build in southern IL-img_0559.jpg   38" build in southern IL-img_0564.jpg   38" build in southern IL-img_0567.jpg  
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  #35  
Old 08-05-2013, 05:09 PM
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Join Date: Sep 2011
Location: Mississippi
Posts: 1,623
Default Re: 38" build in southern IL

Pizza, starting fires, adding wood (so long as you don't try to put tree trunks in), no problem. Dutch ovens, large skillets: it helps to have one of these. Mine is a cheapo roller from Harbor Freight . The pic is from my curing fires. I insulated first and had several weaks of air drying. The heat beads (charcoal) are the trick. No need to buy heat lamps, or use increasingly larger fires over several days. Just start the heat bead treatment in the early morning and keep it going as long as you can that same night before going to a real fire. The key to this is is a recommendation by David Sharp. Put a clear plastic sheet over the dome. If it builds up moisture, remove it and keep heating. At some point you will put the clear plastic sheet on and there will be no moisture collecting underneath. It is then time to" kick this pig" (fire it up) .

Just don't try to add anything that would stick out much further than the bulge in your stand. Very cool design, you will make it work.
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  #36  
Old 08-05-2013, 07:34 PM
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Location: Salt Lake City, Utah
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Default Re: 38" build in southern IL

That is one unique base i remember when you started now to see the finished product is neat!
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  #37  
Old 08-07-2013, 07:19 AM
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Join Date: Apr 2013
Location: illinois
Posts: 130
Default Re: 38" build in southern IL

Templates made and measurements taken to concrete precaster yesterday. I should be able to set the next two barrels later next week or so. In the meantime i am working on the entry floor, door and a flue cap.
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  #38  
Old 07-03-2014, 08:55 AM
Peasant
 
Join Date: Aug 2012
Location: Wisconsin
Posts: 35
Default Re: 38" build in southern IL

Jon,

I just discovered your build and will start tracking it. I think your unique base sets the stage for a very cool WFO!

I wondered if you would share more about your IT? Particularly, the dimensions you ended up using and why? One of the more important one would be the distance of the hinge from the pivot point (center) and why.

Of course, I would like to know your reasoning and how you feel it worked out for you. I am curious because I am still in the planning stages and am considering taking this approach to get to a slightly flatter ceiling. I recognize, as you did, that the modified IT isn't going to work with the last few courses, but it doesn't seem like some use them at the top anyway.

Anything you are willing to share would be appreciated!

Carl
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  #39  
Old 07-21-2014, 11:44 AM
Peasant
 
Join Date: Jun 2014
Location: Illinois
Posts: 40
Default Re: 38" build in southern IL

Following your build also! I'm in Macomb Il where abouts are you. Would love to pop by to check it out. PM me if you'd like.
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  #40  
Old 07-21-2014, 12:56 PM
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Join Date: May 2013
Location: NW Pennsylvania USA
Posts: 301
Default Re: 38" build in southern IL

Quote:
Originally Posted by kanoer54 View Post
The concrete sewer pipe base to support the oven platform idea started off pretty to what I thought would be a clever and creative idea, but when it came to the outer arch and oven entry to support the 2 sections of clay tile flue I was having second thoughts and it became quite a challenge for a peasant like me.
The sewer pipe base kills me I'm in the sewer biz and wished I'd thought of it. If you are familiar at all with a manhole, seeing your build make me think that dog-housing a manhole cone section over top of the oven and cut out for the entrance would have been way cool. I can see it now, the chimney stack come out of a manhole lid, brilliant!

Nice job so far on your build
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