paul has a new video  

 



visit the thread.

see the DVDs.

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Solar thermal storage with sand  RSS feed

 
Morgan Morrigan
Posts: 1400
Location: Verde Valley, AZ.
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and paraffin wax !

http://www.sciencedaily.com/releases/2013/03/130313112435.htm
 
allen lumley
pollinator
Posts: 4154
Location: Northern New York Zone4-5 the OUTER 'RONDACs percip 36''
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books fungi hugelkultur solar wofati woodworking
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Morgan M. : Very good, this should help lower the price of PCM, for everyone! Thanks and keep up the good work !

For the good of the Craft! Be safe, keep warm! PYRO ALLEN
 
Adam Poddepie
Posts: 68
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It's a new riff on an accepted idea. I like that they're always trying something new, but I'm doubtful it will lower prices any time soon. I can't imagine making silicate covered paraffin balls/pellets is cheap (as a process). If the design takes off it will undoubtedly get streamlined, so that's always good.

On the upside, sand is CRAZY available. Deserts, beaches, take your pick. I'm not sure it will work for a rocket heater as it gets way too hot and the spheres likely wont be able to handle it. My money is on using them for grow-beds. Can anyone else see laying down a layer of these as a "pseudo greenhouse" for your plants? Keep them nice and warm for longer periods? Plus, none of the ingredients should cause problem if they were to burst.

Anyone else have other thoughts for them? Embed them in drywall? Coating between glass layers?
 
a wee bit from the empire
The Earth Sheltered Solar Greenhouse Book by Mike Oehler - digital download
https://permies.com/wiki/23444/digital-market/digital-market/Earth-Sheltered-Solar-Greenhouse-Book
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