Wife has a laptop that needed a fan, got a thermalake one that sits under the vent hole in the bottom of the laptop. I made a tilted plywood base years ago for it. Works fine. Was $14 at Fry's.
Ed/ke7feg ....Hurry up November...enough heat so far!!
Did I mention, 2/23/07 the FCC dropped all cw (AKA Morse code) testing for any class of license as a ham? Just pass the written exams.
--- On Fri, 9/5/08, Alex Dean <
alex@crackpot.org> wrote:
> From: Alex Dean <alex@crackpot.org>
> Subject: Re: running a pc fan outside of a case
> To: "Main PLUG discussion list" <plug-discuss@lists.plug.phoenix.az.us>
> Date: Friday, September 5, 2008, 10:21 AM
> OK. I have a nice big fan I need to wire up. I have a few
> power bricks
> lying around I could use, and I need some advice about
> which to pick.
>
> Fan : 12V. 3 speed. 0.24A/0.2A/0.13A
> http://www.antec.com/pdf/manuals/tricool_install.html
>
> Power supplies available :
> 1. 12V, 1000mA
> 2. 12V, 600mA
>
> Both of these seem a little underpowered. Will that just
> make the fan
> spin slower, or do I really need to get a 12V,0.24A power
> supply from
> somewhere? I could also go back and buy a smaller fan.
>
> alex
>
> fouldragon@aol.com wrote:
> > The most you can reliably get out of a USB port is
> 500mA.
> >
> > Typical fan draw varies wildly by size and performance
> level.
> > 100-200mA at 12 volts is typical for 80/92/120mm
> "PC case" fans, but
> > then there are a few rated as high as 900mA at 12
> volts. Of course,
> > the 5v versions will draw more current for an
> equivalent performance
> > level.
> >
> >
> >
> > -----Original Message-----
> > From: Nadim Hoque <nadimhoque@gmail.com>
> > To: 'Main PLUG discussion list'
> <plug-discuss@lists.plug.phoenix.az.us>
> > Sent: Wed, 20 Aug 2008 9:25 pm
> > Subject: RE: running a pc fan outside of a case
> >
> >
> >
> > 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@lists.plug.phoenix.az.us
> > [mailto:plug-discuss-bounces@lists.plug.phoenix.az.us]
> On Behalf=2
> > 0Of 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@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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