running a pc fan outside of a case

Chipper chip33az at netscape.net
Thu Aug 21 08:38:48 MST 2008


I have a laptop that I keep under my desk with a docking station.  
Lately, I would start it and after a bit, it would shut off.  I assumed 
it was a heat issue since I could remove it from the docking station and 
it would work fine.

Over the weekend, I went to the Fry's on Thunderbird and purchased a 
LapCool3.  They had it listed for $17, but it only cost $10 at the check 
out.  It has two fans and sits under the laptop getting power from the 
USB.  I won't swear by it, but so far the laptop hasn't shut off.

Nadim Hoque wrote:
>
> In terms of getting extra air or cooling your laptop more efficiently, 
> just yet a laptop cooler. Pick one up at fry’s for 20 bulks. The fan’s 
> power is directly fed via the USB cable. Thermaltake has this one 
> laptop cooler that uses this weird past, but it’s supposed to cool 
> down the laptop passively. I don’t know the power usage of the USB 
> ones, but do keep in mind that you might be powering 2 fans at once. 
> This way is far safer and cheaper and don’t forget easier to just use 
> a laptop cooler. Again Fry’s has them; just ask a employee and they 
> should guide you.
>
>  
>
> *From:* plug-discuss-bounces at lists.plug.phoenix.az.us 
> [mailto:plug-discuss-bounces at lists.plug.phoenix.az.us] *On Behalf Of 
> *Eric Cope
> *Sent:* Wednesday, August 20, 2008 3:14 PM
> *To:* Main PLUG discussion list
> *Subject:* Re: running a pc fan outside of a case
>
>  
>
> exactly. Get a 5V DC supply and solder it to the power lead on the 
> fan. At 5 volts the fan will be slower and quieter. If you need more 
> air movement, get a 12V DC supply. The fan will move faster, but be 
> louder.
>
> Depending on your notebook, you may have some fun experimenting with 
> heat pipes...
>
> Eric
>
> On Wed, Aug 20, 2008 at 3:00 PM, Alex Dean <alex at crackpot.org 
> <mailto:alex at crackpot.org>> wrote:
>
> Eric Cope wrote:
>
> Outside of that, some solder, a wall wart, and a 4-5" PC fan would 
> make a great air mover...
> But given you lack of hardware knowledge, go with the above 
> recommendations.
>
>  
>
> well, i do know how to solder.  just haven't done anything inside a pc 
> case since i was in highschool, and have never attempted to do 
> anything with a power supply.  but wiring a fan to a power brick i 
> could do...
>
> a wall wart is one of those bricks that take up all the space on the 
> power strip, right?
>
>
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