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Old 10-06-2013, 04:56 PM   #1 (permalink)
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Default Comp Case fan for a dif use

Ok I have a barbeque smoker, I need a fan to get the temps up. I have a couple of computer case fans about I was thinking of using. Sounds strange but it will work. So my qustion, what is the volts AC or DC for a typical case fan? The typical Molex adapter type? Are they AC or DC? I want to set it up with a adjustable speed adapter and 120 volt plug to plug it into the wall.

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Old 10-06-2013, 05:55 PM   #2 (permalink)
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Default Re: Comp Case fan for a dif use

The voltage/amperage rating should be on a sticker on the fan itself. Fan voltage can vary from 5v to 12v usually. So you'll need a transformer to reduce the voltage. Can usually just pick one up from RadioShack (or if you have a spare one that matches the fan's voltage and clip the ends off that way).

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Old 10-06-2013, 07:11 PM   #3 (permalink)
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Default Re: Comp Case fan for a dif use

You can use wire nuts to tie the wires together from the fan to the transformer. Case fans are all DC Volts (you'll need a 120v AC to 12v DC transformer, one of those wall warts would work well. You might be able to find a used one, it should be 12 volts and either match or exceed the amp rating of the fan motor)

I don't know at what temps you can melt a case fan, but it could be fun to watch
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