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Solar power for a box fan, guess this goes here...

post #1 of 9
Thread Starter 
I have a box fan and just think it would be freakin' sweet if I had a solar panel to plug it into and use it outside wasting no electricity so my parents don't get med! I could also use it at the park and stuff.

So what, who, where, how?

How much power dose a common $10 box fan take to run?
How much power dose a small cheep solar panel produce?
Dose a solar panel do DC or AC, dose it matter for a box fan?

Thanks.
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post #2 of 9
The fan will probably want AC.
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post #3 of 9
solar does DC... a solar panel from a calculator usually measures about 1.25v... and yeah the fan will want AC...
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post #4 of 9
also most cheap solar panels put out less than half an amp at 12V...which means it could probably power a 120mm fan and that's about it.
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post #5 of 9
Solar panels are very expensive.
    
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post #6 of 9
A fan hardly uses any power.. your parents shouldn't be complaining about you using a box fan.
post #7 of 9
Thread Starter 
Well my mom dose not have a job and my dad has bills to pay and is already running the AC so...

Also we are very cheep people, if we won the lottery we would still be really cheep and buy used cars lol!
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post #8 of 9
To make this pratical you really can't use a box fan because they run on AC power and solar panels only put out DC power. In order to convert it you will need an inverter and that adds expense and power losses.

You will need to find a good DC fan, probably 12v or 24v, that you can wire directly to some panels. If you want it to run overnight you could find a battery that would hold enough power to keep it going until the sun can charge it.

Solar panels are expensive and don't make a lot of power, though. You would probably be best off finding some used or damaged ones and repairing them to work again.

Good luck.
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post #9 of 9
A box fan uses less than 2 amps of power. A typical home central air conditioner uses about 4 amps per ton of air conditioning. The average home uses about 3 tons of cooling capacity, or roughly 12 amps of current. On a really hot day the A/C will use 20 to 30% more power to do the same amount of cooling at outside temps of 80 degrees or less. You could point out to your parents that your box fan uses a fraction of what the A/C does.
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