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Making and using a "compound" parabolic solar cooker (Large project)

Step 4Making the dish

Making the dish
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Making the dish on the mold.
I had some old sign corugated plastic and I decided to use this for my first dish.
First I cut it so that it would fold down somewhat over the mold.
I held it down with rocks and the sledgehammer.
Look near the sledgehammer. See how the cuts overlap when it gets held close to the dome?
Wherever they overlap, you cut along again and remove the undercut.
Then you hold it all down with rocks or whatever and tape the sections together.

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Author:gaiatechnician
I am a stone mason. My hobby is making new solar cooking and gardening stuff. I have used solar heat to cook soil for a couple of years. In mother earth news in January, i read that their compost expe...
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