A diy all in one solar power block

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PostTue Nov 06, 2012 12:22 am » by McMillan


Folks, look at this, it is real 2KW solar panel constructed out of empty pop-cans!
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Sandy can not harm us with this device on the roof, at least that is what the authors of this solar heater say http://solar.freeonplate.com/diy-how-to/DIY-solar-panels.htm

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PostMon Nov 12, 2012 10:54 am » by Svaha


McMillan wrote:Folks, look at this, it is real 2KW solar panel constructed out of empty pop-cans!
Image

Sandy can not harm us with this device on the roof, at least that is what the authors of this solar heater say http://solar.freeonplate.com/diy-how-to/DIY-solar-panels.htm


Nice, I'm gonna build one of these, collected enough alu cans now, already have a blower (12V computer fan), just need to buy some wood, cover and spray.
It will look like this:


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PostMon Nov 12, 2012 11:01 am » by Svaha


At home you may want to stick with car batteries to store energy, but replace the fluid by alum.



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PostMon Nov 12, 2012 7:18 pm » by Alexrubic


McMillan wrote:Folks, look at this, it is real 2KW solar panel constructed out of empty pop-cans!
Image

Sandy can not harm us with this device on the roof, at least that is what the authors of this solar heater say http://solar.freeonplate.com/diy-how-to/DIY-solar-panels.htm


From the link (quoted above):
Important note: Our solar system is not able to accumulate thermal energy after producing it. When it's sunny, the solar collector produces heat, but it is necessary to use it immediately for heating the air inside the house. If the sun does not shine, it is necessary to interrupt the supply of air in the solar collector, because otherwise the room will begin to cool off.


Doesn't that make the whole thing redundant? When it is warm and sunny outside you would want it to be cool inside and when it is cool and overcast outside that is when you would want it warm inside!

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PostTue Nov 13, 2012 8:42 am » by McMillan


It does not have to be warm outside in order to use solar thermal panel for heating of your home, sunny weather is enough. In the winter, it can be deep minus outside and sunny with clear sky at the same time. If you have ever been skiing in Austria, you know what I mean, a "deep, deep minus"...

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PostTue Nov 13, 2012 3:53 pm » by Alexrubic


I see. So it is worthwhile if you have a cold sunny day or an overcast hot day but not if you have an overcast cold day or sunny hot day!

Wouldn't be much good in the UK then!


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