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Electronics question


Quick question: Which is more powerful - 10 watts/24 volts or 12.6 watts/18 volt?

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esprix
Jul. 28th, 2010 01:45 am (UTC)
They're both rated the same, and the descriptions aren't clear about the solar panel output, only the fan motors. (I thought the 10 watt and 12.6 watt were for the solar panels, but now I'm not so sure). I think I might be missing some information, but if they're both rated about the same, I'm probably nitpicking over stuff that won't matter when it's hot anyway. :)
harlkyn
Jul. 28th, 2010 02:00 am (UTC)
If the fan rating is the same and they move the same amount of air, then look at other aspects to make your decision. I'd look at ruggedness if you're taking it to Pennsic, maybe price.

I'm guessing then that the fans come with the solar panels already? I thought you were trying to match up the right fan with a solar panel you had already or something :)
esprix
Jul. 28th, 2010 04:02 am (UTC)
I guess if they're rated the same then they probably go the same speed with their respective solar panels (yes, they come as sets). I was thinking maybe if one cleared that CSF faster than the other that would make it a faster fan, but I guess the rating must be # of CSF per some measurement of time, so they probably rotate at the same speed (and I was really, through all this, looking for the fastest rotation speed/airflow, 'cause I'm not using this as an attic fan, I'm using this as a personal fan).

Alas, the only reason I'm comparing is because the prices are exactly the same, so I figured I'd ask.

You're a peach for helping me think this out, though. Thank you!

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