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Post by Deleted on Apr 29, 2012 1:36:51 GMT -8
Working with clay at around 35°C is challenging.
Most of the work was done by family members and two paid helpers from the larger family of my wife.
Work is cheap here, about 8$ a whole day for an experienced worker and the half for not experienced ones.
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Post by Deleted on Apr 29, 2012 1:39:29 GMT -8
Diameter 160 mm
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Post by Deleted on Apr 29, 2012 1:42:22 GMT -8
I have rebuild my old German style stove.
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Post by Deleted on Apr 29, 2012 1:50:24 GMT -8
The dome form was build with 13mm 6 corner mesh attached to a base cut from hard paper.
Then covered with stripes of tissue painted with clay.
over painted whith clay again it became strong enough to support a first layer of clay.
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Post by Deleted on Apr 29, 2012 1:55:24 GMT -8
After adding the first layer in Pinoy style.
The boys know how to finish something with cement.
The whole dome was build in this way, layer over layer.
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Post by Deleted on Apr 29, 2012 1:59:17 GMT -8
The oven plate was cast in an end piece for a 550mm air chanel.
The dome has an inner diameter of 650mm.
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Post by Deleted on Apr 29, 2012 2:02:17 GMT -8
Finished.
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Post by Deleted on Apr 29, 2012 2:04:50 GMT -8
A smaller 110mm rocket for cooking, not wort an own thread.
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Post by Deleted on Apr 29, 2012 2:19:53 GMT -8
The local clay shrinks a huge lot.
Adding a small amount of cement limits this.
Paper fibers and straw nevertheless cannot prevent cracks in this climate
One needs to keep surfaces whet over a longer time to avoid cracking.
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Post by Donkey on Apr 29, 2012 10:15:28 GMT -8
You could add sand or grog to reduce cracking..
Nice looking piece.
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Post by Deleted on Apr 29, 2012 17:20:46 GMT -8
Would raise heat transfer, but not realy help.
During the hottest time temperatures can climb close to 40°C.
Even concrete with lots of stones and low cement will crack here,
if the surface is not keept whet.
Thank you.
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Post by Deleted on Apr 30, 2012 23:32:34 GMT -8
In a first longer run, while the dome was still containing a lot of water,
the temperature inside reached 230°C.
My sister in law sells already pizza made with it.
We will have a big fiesta.
Lots of people will come to eat pizza and most of all to see the unbelievable smokeless fire. ;D
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Post by satamax on May 1, 2012 2:23:51 GMT -8
Nicee!
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Post by Donkey on May 1, 2012 7:28:50 GMT -8
Yay!! Well done!  |
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Post by Deleted on May 2, 2012 22:40:00 GMT -8
The oven now goes over 300°C.
My sister in law underestimated the heat a bit.
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