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Originally Posted by dragon
Yeah the notebook cooler was about £20ish i think, didnt get it that long ago.
suppose i could just dc the broken fan and leave the other one running...
it so happens that the one on the side that sits nearer to the cpu is the working fan...
those fans seem rather expensive for what is basicly a motor with some plastic stuck ontop.
did look at 12v fans but i doubt there would be enough power to start one spinning unless it was one of those fans that was capabile of low/medium and high speed settings then it might work on 5v all be it slowly.
The major worry with even trying this is that i might damage the usb port if the fans where trying to draw to much power.
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Computer fans have to move the maximum amount of air possible for effective cooling, while making as little noise as possible - or your PC/laptop would drive you crazy. It's also desirable that they should continue to do this consistently for a reasonable length of time. That's why they seem to be relatively expensive: in fact, it's often the more expensive ones (assuming you make good choices) that will last several times as long as cheaper fans with much greater reliability, and are more worth buying in the long run.
RS is another good place to buy non-standard fans.