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FYI solar troughs

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Posted by jeff on January 19, 2010, 1:20 pm
 
   I ran across this:

http://www.scribd.com/doc/9721161/doityourself-parabolic-trough-concentrating-solar-collector

This covers two design criteria I've been thinking about. One is
low cost reflective material which leads to a covered trough. The other
is natural curvature, the article has a simple way of correcting flaws
so that very high concentration ratios can be achieved.

   Just throwing this out FYI. I've got an idea for a stretched mylar
(no gluing) trough I'm thinking through.

   Jeff

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