[Cob] A cleaner cob oven for the future

[john fordice]

Ray,
Have you considered the heat expansion difference between the steel  
dome and the cob covering?  Wondering if it will be enough to crack  
the cob covering.
john fordice
On Apr 6, 2010, at 10:14 AM, Dulane wrote:

>
> Dear Cobbers,
> I'm days away from test firing this inner chamber cob oven and  
> wantd to
> share the news. If it works as I know it will, you'll be creating  
> these
> incerts like this stainless steel igloo shape. The heat from the  
> fire is
> rapid and I see closing the stack after the fire is out to hols in  
> the heat.
> Otherwise you burn for hours with black smoke killing the  
> atmosphere. SunRay
> Kelly will tell you as well, we have junkyards here in LA that have  
> it all
> that can change the way we build.
> http://people.tribe.net/raycirino/photos/ec9b6a37-4e7a-41cd- 
> be13-6f4aeee03a7
> 7
> Ray
>
> Dulane - Keep us posted. It would be interesting to figure out a  
> comparison
> test between a similar clay oven and your hybrid. But if it helps  
> keep heat
> and reduce smoke, great idea!
>
> The trouble I've had is that mine got damp and cracked since I  
> didn't have a
> serious roof over it. But if you were going to use it often, you'd  
> want a
> serious design. And one that wouldn't allow too much cob crumbles  
> to fall on
> your food (from my deteriorating oven ceiling). I only use small  
> scrap wood
> and branches that fall out of my trees to heat mine, then I throw  
> in a few
> pieces of alder or fruitwood near the end for flavor.
>
> Your oven seems like a well thought out design (chimney damper and  
> all) for
> a small community, but the old design (w/o metal) is still  
> efficient for
> folks who just want to bake pizza or fish outside several times a  
> year. It
> pays to build them at waist height too, so you aren't bending over  
> all the
> time. I am building a new oven this year...and it will have a small  
> work
> area by the oven door. I'm tired of my dogs trying to help me cook,  
> because
> I'm down at chair level.
>
> Would you have to find someone to weld a dome for you?
>
>
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