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  #91  
Old 03-22-2013, 11:25 AM
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Default Re: K79 Oven Build

Ok so I'm wondering if the size of my vent arch bricks are ok for the design I would like to do. Also what do you guys think of the area of my vent opening?

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  #92  
Old 03-22-2013, 11:30 AM
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Default Re: K79 Oven Build

the design looks good, but how big is your oven? Can't remember if you are doing a 36" or larger.

Six inch is borderline for a 36" oven, IMHO. My experience is that I would upsize the chimney a bit to be on the safe side. I'd order 7" hardware (I think duravent sells) just to be safe. I have 8" on my 39" oven

Also - others will probably chime in here - but I think the rule of thumb for chimney size is based on % of your opening dimensions, not oven radius. So that's probably a whole 'nother math problem.
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  #93  
Old 03-22-2013, 11:39 AM
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Default Re: K79 Oven Build

Yes I'm building a 36" oven. The FB plans said to use a 6" SS Chimney. I'll look into the 8" ss if you think it's necessary. Also to determine the vent opening it's 15% of the oven opening area. *light bulb just came on* So my oven opening area is 208.91sqin which would make my vent opening minimum 31.33sqin.
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  #94  
Old 03-22-2013, 11:40 AM
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Default Re: K79 Oven Build

[QUOTE=deejayoh;148440] I'd order 7" hardware (I think duravent sells) just to be safe. I have 8" on my 39" oven

QUOTE]

Did you meant to say you ordered 7" hardware? I'm confused?
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  #95  
Old 03-22-2013, 12:14 PM
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Default Re: K79 Oven Build

I meant to say that if I were you, I would order 7" hardware. Sounds like that is the right size for your opening anyway.

http://www.ventingpipe.com/simpson-d.../c1559?f3370=7

edit: also - with a cross section of ~38.5", it probably works with your proposed vent with the major *assumption* that you can handle the 11 x 11 inch mounting plate.
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Last edited by deejayoh; 03-22-2013 at 12:26 PM.
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  #96  
Old 03-22-2013, 01:00 PM
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Default Re: K79 Oven Build

Your right, that is a large anchor plate. So everyone that puts on a Duravent 7" or greater needs at a minimum vent landing of at least 11". There must be some way to offset it right? All in the brick work I guess.
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  #97  
Old 03-22-2013, 01:34 PM
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Default Re: K79 Oven Build

well, even with a 6" vent you have an 11" plate - so no matter how you do it, you are looking at a >1 brick deep landing. I think 11" is easier to build than 10". Full + half brick gives you ~11 3/8". No waste, fewer cuts, easier to stagger the arch.
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  #98  
Old 03-22-2013, 04:46 PM
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Default Re: K79 Oven Build

The plate is just sheet metal. Cut it. Who wants 11" between them and their oven. I've built mine from sheet metal for both my ovens to keep it at 6" and will do the same on any oven I ever build.
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  #99  
Old 03-22-2013, 04:55 PM
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Default Re: K79 Oven Build

It's pretty easy to adjust the reach to the oven by offsetting vent depth with the landing depth, instead of hacking at sheet metal.

that said, I never have any problems with the depth of my landing, and my observation is that there are very few landings on this forum that are < 11"
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  #100  
Old 03-22-2013, 05:09 PM
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Default Re: K79 Oven Build

Shuboyje, you are building a Neapolitan vent aren't you?
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