They mail out samples free, and their minimum is 150 sq. ft. As it stands now my machine will need roughly 60 sq feet of that . So the 150 sq. ft. buy breaks roughly into 3 machines. This is good news. Because , I have just ordered the rest of the stuff I need online. That being the wheels.

The other solar age material I bought was this stuff :
ProDex

The Prodex and steel sheet.
The outer shell of the oven will have this next to it. Then a dead air space, then 4 inches of some old insulation; rockwool board insulation.

I'm building a pizza oven, that weighs like a box kite.
These two materials will give me something like an R - 40 wall under 6 inches thick. And it won't weigh anything. I will be getting the piano hinges from ebay when the time comes. I've got a feel for that cost. Taking in all the research to date. This oven isn't going to cost more than $700.00 in materials.
So here is my latest projection tonight -
A 15 cu. foot oven on wheels , that works when the sun shines. That 2 guys can pick-up , and load into a pickup.
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