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Compound parabolic solar cookers! and a method to make them!

 
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gaiatechnician



Joined: 06 Jan 2008
Posts: 32
Location: Victoria BC

PostPosted: Tue Sep 09, 2008 9:35 pm    Post subject: Compound parabolic solar cookers! and a method to make them! Reply with quote

I recently made a compound parabolic solar cooker. It has been working pretty well and i thought you might be interested.
I have a video showing how i made it at
http://www.youtube.com/watch?v=9eY0xh23Anc
and a video that explains the optical advantages is at
http://www.youtube.com/watch?v=uX9Z-nsUHiA
My reflector is good for up to 3 hours of unattended cooking. But you can design them for 1, 2 hours or 4 hours either.
It is just under 1m2 and I use it to cook 7 liter pots of soil with turkey bag over it.
It cooks the soil up to over 90C which kills weed seeds and bugs and makes it safe for growing seedlings.
I set it up before I leave for work in the mornings and it cooks later in the day.
Brian White
Victoria
Canada
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