computer cooling fans and gadgets
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  1. #1
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    Default computer cooling fans and gadgets

    I've got a few old computers to be recycled and now my wife is trapping pollen. I thought I'd use one to winnow her pollen. How do I power such a fan. I know I can't just plug it into a 110v wall outlet.

    Thanks.
    WayaCoyote

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  3. #2
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    May 2007
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    Hillsboro, Wisconsin, USA
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    Quote Originally Posted by wayacoyote View Post
    I've got a few old computers to be recycled and now my wife is trapping pollen. I thought I'd use one to winnow her pollen. How do I power such a fan. I know I can't just plug it into a 110v wall outlet.

    Thanks.

    They are most likely 12 volts DC. If you have a car or utility battery, it should work for quite a while (4-5 days) on a charge. Or use a battery charger at the low setting, or go to Radio Shack and get a universal wall transformer rated at 12 volts. I use these recycled fans all the time for various gadgets.

    MM

  4. #3
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    Those same computers will have power supply's that
    step down the voltage to 12V. Not sure they will have
    the velocity and volume to do the job though??
    Closing in on retirement.......

  5. #4
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    Thanks guys,
    I'll give it a try and see if it will work. If not, i've learned something.
    WayaCoyote

  6. #5
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    Oct 2004
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    Lyons, CO
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    You can get 12V power supplies at hardware and electronics stores; they even have little amp selectors. Wire one up and you're fanning.
    Bees, brews and fun
    in Lyons, CO

  7. #6
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    Waya......... most those fans are essentially variable speed
    units. You may be able to bump the voltage to 15V for
    higher velocity.
    Closing in on retirement.......

  8. #7
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    Thanks, everyone. I'll give it a try
    WayaCoyote

  9. #8
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    Aug 2001
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    McGraw,NY,USA
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    You can power it from a battery booster if you have a cig lighter end adapter.Works fine . I used a computer fan to blow bee-go into my supers cept I couldnt get the corners well. Its in the tried but not too good pile of my garage now...Rick
    Turn stumbling blocks into stepping stones

  10. #9
    Join Date
    May 2008
    Location
    OPP, Al USA
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    Those things do a great job of cooling small spaces.
    I've got a used take off (120VAC) plugged into the switched power supply of my surround sound system. Now it comes on every time I turn on the surround sound with the remote. My system is enclosed in a wooden cabinet with a glass door. Used to get VERY hot. Now the fan pulls air in from the lower back and pushes it out the top back panel. Works like a charm. Cost $3.99 and twenty minutes of my time!!
    Last edited by HAB; 06-06-2009 at 03:56 PM.

  11. #10
    Join Date
    Nov 2003
    Location
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    Default Re: computer cooling fans and gadgets

    I had an idea today. I wonder if I can use my solar panel trickle charger to power one. I'm going to try it.
    WayaCoyote

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