Solar Power - Dan Rojas Solar Cooker inexpensive mass distribution option

This is the simplest design from inexpensive material with easy cargo handling and on-site setup. The focal length can be altered for shorter settings but a 1.5:1 ratio to diameter is the sweet spot.

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Just Posted: Dan Rojas Solar Cooker inexpensive mass distribution option http://t.co/KjsoTjm12:12 AM Mon Apr 30, 2012 via Generators for HomeSparky
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