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fresnel lens  RSS feed

 
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Location: Southwest Missouri
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A possible use of a fresnel lens.....Make alot of hot water.....showers, home heating.
 
pollinator
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Wouldn't the same size glass spread over a larger solar collector (not focused) produce as much hot water without having to re- aim every three minutes?

If you want steam or looking for some sort of on demand you may be on to something.
 
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