I design these kinds of things. Much more compact than a heater core, and
no fan, and much cooler.
ok....end of shameless plug ! :)
Seriously, these work for radios too, and you can totally get rid of fans if
you want to.
Regards,
Gary
----- Original Message -----
From: "Gary Smith" <mandolinist@ameritech.net>
To: <tentec@contesting.com>
Sent: Monday, January 19, 2004 5:20 PM
Subject: Re: [TenTec] Quieting fan
> I rarely chirp in but I do as many "power" computer users do & that's
> "water cooling" on my computer. There's a large market for these kind of
> heat sinks & in short what is done is to have water replace air as the
heat
> sink cooling media. An in-line water pump pushes water through the
> "water block aka heat sink" and it's cooled remotely by a 120MM fan
> blowing through an automotive heater core.
>
> Water is far more efficient than air for cooling so you get temperatures
of
> about 4 degrees C maximum over ambient room temperature from a
> processor running 80 watts.
>
> Yeah... I know it's too much for most people to deal with & no, you don't
> get water inside your equipment... but your computer is dead silent
> except for the sound of the drives. If you were to do this with a radio
> it would be the same, no fan noise.
>
> Do a google search for water cooling on computers & you'll enjoy the read.
>
> Gary
> ka1j
>
> Also, if someone knows the whereabouts of an Alpha 77SX with the serial
> 2931 it's mine & I want it back. I sent it to Alpha when it was owned by
> ETO & it was never returned after they moved from Colorado Springs.
> Yes, I have all the documentation.
>
>
> > Hi,
> >
> > I lost the message that I am referring to. Someone said they put a
> > resistor in series with the fan motor in order to make it run quieter.
> > How do you determine that there is still sufficient air flow to
> > properly cool the tubes? What about in a warmer time of year? What if
> > you (or future owner of the amplifier, or would it be ampli-fire)
> > moved to a higher altitude QTH and left the resistor in circuit? I
> > understand the desire to make the amplifier run quieter, but obviously
> > there are other important considerations. You could just disconnect
> > the fan altogether and it would be silent, but of course then it would
> > not perform it's intended purpose.
> Gary
>
> Gary Smith
> CQ DX de KA1J
> http://musician.dyndns.org
> http://musician.dyndns.org/homebrew.html
>
> If you pick up a starving dog and make him prosperous, he will not
> bite you. This is the principal difference between a dog and a man.
>
> - Mark Twain -
>
>
> _______________________________________________
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> http://lists.contesting.com/mailman/listinfo/tentec
>
>
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