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Recycling PC cooling fan

  • 29-08-2007 5:42pm
    #1
    highlydebased
    Registered Users, Registered Users 2 Posts: 7,472 ✭✭✭


    Dismantled old dell PC today. Is it possible to re-use the cooling fan (not in a computer)? Not the PSU mind. It says its a 12volt DC. If I get a transformer, should it work?


Comments

  • #2
    degsie
    Registered Users, Registered Users 2 Posts: 8,755 ✭✭✭degsie


    Not sure what you are getting at, but to get the fan to work it needs a 12V supply. To get it to work from an ac supply you will need an ac to dc converter that can output the 12V dc. What application do you want to use it for?


  • #3
    Redisle
    Registered Users, Registered Users 2 Posts: 1,849 ✭✭✭Redisle


    You could always pick up a cheap multipurpose ac-dc adaptor (pretty sure you can get one in the 2euro shop), chop one of the connectors off and bare the wires.. and connet them to your fan (carefully using insulating tape of course ;)), set it to 12volt and away you go!


  • #4
    highlydebased
    Registered Users, Registered Users 2 Posts: 7,472 ✭✭✭highlydebased


    ab_cork wrote:
    You could always pick up a cheap multipurpose ac-dc adaptor (pretty sure you can get one in the 2euro shop), chop one of the connectors off and bare the wires.. and connet them to your fan (carefully using insulating tape of course ;)), set it to 12volt and away you go!

    Thats exactly the idea I had in mind :D

    Want to use it as a cooling fan for something.......


  • #5
    Khannie
    Registered Users, Registered Users 2 Posts: 37,485 ✭✭✭✭Khannie


    Why be coy? Tell us what you want to cool! :)


  • #6
    zilog_jones
    Registered Users, Registered Users 2 Posts: 6,638 ✭✭✭zilog_jones


    A train set power supply will give you 12V DC and speed control - I used one with an array of old computer fans stuck in front of my window last year, or whenever we last had a decent summer :rolleyes:


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  • #7
    Capt'n Midnight
    Moderators, Recreation & Hobbies Moderators, Science, Health & Environment Moderators, Technology & Internet Moderators Posts: 93,583 Mod ✭✭✭✭Capt'n Midnight


    it should work on one of the dc transformers you get in the pound shops

    what is the current ratting or wattage ? eg 0.1A

    it says 12V but should work from 6V or higher, lower voltages being slower and quieter, sometimes you can put two EXACTLY THE SAME 12V fans in series and put them on 12V for less noise. Try it out on a 9V battery

    Cars and car battery chargers run at 14.4V so probably not the best to use
    car batteries when not being charged vary from about 11.8 to 13.8 so should be fine if you are running portable


  • #8
    generalmiaow
    Registered Users, Registered Users 2 Posts: 865 ✭✭✭generalmiaow


    I had 4 of those 80mms (also from dells) running in parallel on a 300mw eurosaver power supply when I was trying to keep my gerbils cool on one of those few hot days in may. I really want to know what the OP is using them for.

    You could string 8 AA's together also for the same effect... though those fans are the worst choice for any real application as they are so noisy


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