[Collins] Cooling your Collins

[Bob Sullivan]

Rodney,

I agree! I use your technique quite successfully. It it also a very=
 solution.
Simply rectify and filter the 6.3vac already available at the rear panel.

73, Bob
W=D8YVA


At 12:28 AM 6/13/2003 -0700, Rodney Bunt wrote:
>Because it is a switch mode powersupply from a PC with a switch on the=20
>front panel. The HASH from
>this would be a real pain in the neck !!!!!
>
>Why not run 12v DC fans from the 6.3v fillament supply (with a modest=20
>filter cap) to make the fans
>run slower and quieter too.
>
>There is a lot of cooling from slow moving air without the noise or the=20
>HASH!!!
>
>Rodney
>VK2KTZ
>
>
>--- David Knepper <cra@floodcity.net> wrote:
> > Can anyone tell me why one would not want to protect his/her=20
> investment?  Cooling your Collins
> > is important to maintain the integrity of the unit.  Heat is its worse=
=20
> enemy!
> >
> > See this site for more details.  Shouldn't you treat your Collins=20
> S-Line and KWM-2 to some
> > "summer cooling."
> >
> > http://www.k4zrd.com/collins.aline.html
> >
> > David Knepper - W3ST
> > Secretary to the Collins Radio Association (CRA)
> > Publisher of the Collins Journal
> > www.collinsra.com
> > CRA station call - W3CRA