A diy all in one solar power block

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Re: A diy all in one solar power block

Post by Alexrubic » Tue Nov 13, 2012 2:53 pm

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!

Re: A diy all in one solar power block

Post by McMillan » Tue Nov 13, 2012 7:42 am

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"...

Re: A diy all in one solar power block

Post by Alexrubic » Mon Nov 12, 2012 6:18 pm

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!

Re: A diy all in one solar power block

Post by Svaha » Mon Nov 12, 2012 10:01 am

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



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Re: A diy all in one solar power block

Post by Svaha » Mon Nov 12, 2012 9:54 am

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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Re: A diy all in one solar power block

Post by McMillan » Mon Nov 05, 2012 11:22 pm

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

Re: A diy all in one solar power block

Post by Aragajag » Tue Oct 30, 2012 2:20 pm

Svaha wrote:I like people that can think out of the box, we've had lead car batteries for so long and nowadays they are manufactered to last only for a couple of years.
In the winter(cold) they perform bad, they contain (heavy)lead, take a longer time to reload, chemicals.
The batterie in the video you can make yourself, so you can make it to meet your cars energy needs, you can make it to last a lifetime, lightweight, fast reload, no lead ...

I've seen many many free energy devices to power up even homes, I've seen none of them actualy working.
This solar solution works, can be made by yourself ... it's a start.
I bet many people would be glad now to have something like this.



Why not have a coil spring that can be wound up when in motion for a starter energy.

Re: A diy all in one solar power block

Post by Svaha » Tue Oct 30, 2012 2:05 pm

I like people that can think out of the box, we've had lead car batteries for so long and nowadays they are manufactered to last only for a couple of years.
In the winter(cold) they perform bad, they contain (heavy)lead, take a longer time to reload, chemicals.
The batterie in the video you can make yourself, so you can make it to meet your cars energy needs, you can make it to last a lifetime, lightweight, fast reload, no lead ...

I've seen many many free energy devices to power up even homes, I've seen none of them actualy working.
This solar solution works, can be made by yourself ... it's a start.
I bet many people would be glad now to have something like this.

Re: A diy all in one solar power block

Post by Mydogma » Fri Oct 26, 2012 10:37 pm

:cheers:
Cia212 wrote:Wouldn't it be far cheaper to use a car battery? 20 amp hours, despite his enthusiasm, isn't that much. A car battery - even a cheap one - is usually ~50...and less than a third of the cost. Better ones are 100-225 amp hours.

:cheers: my thots exactly!
Not that I want to discourage thinking down that road..but all he has done is replace the batteries with ones that are expensive and I highly doubt would keep lights going any longer then a car battery..basically..just hook the solar panel(I'm assuming in the 20watt range as he has) to your car battery...this would be considered just a tricle charge I am sure at less then 2amps...then use whatever walmart cigarette plug converter u need and turn your headlights on and be amazed!...lol..but I did like the site and am interested in the capacitor project there..any good post and thanks for the website..

Re: A diy all in one solar power block

Post by TheDuck » Fri Oct 26, 2012 5:19 pm

Cia212 wrote:
TheDuck wrote:Would be cool just to run things like laptops and stuff as they cost a lot per year if you leave them on constantly like me :D

This system costs around $400. Here in LA, electricity is around $.19 KWH. Assuming you could run your laptop for 3-4 hours on this system per sunny day, you'd have to run it for 40 years to cover your original cost...of course you'd have to replace the batteries at least every year - another $200.

But, like Richc said, it would be a usable system for camping or emergencies.


Electricity is pricey here but it would be cool to take everywhere, car jouneys camping etc...

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