[Elecraft] KPA1500 Cooling

[RICHARD Martin]

If you have to use gas, use Helium.  It is very good especially at reduced
pressures where the mean free path  approaches the dimension  of the
container.

Dick Martin KN6AA

On Sat, Jul 25, 2020, 07:37 W2xj <W2xj at w2xj.net> wrote:

> I would avoid that in ham or broadcast transmitters due to the potential
> skill sets (or lack thereof)of end users. Hydrogen is too explosive in the
> wrong hands.
>
> Sent from my iPad
>
> > On Jul 25, 2020, at 6:41 AM, Rich NE1EE <73.de.NE1EE at gmail.com> wrote:
> >
> > If you're up to the challenge, hydrogen is a great for cooling. Very
> nice thermal conductivity and thermal capacity. I've worked on systems that
> used it for cooling.
> >
> > ~R~
> > 72/73 de Rich NE1EE
> > On the banks of the Piscataqua
> >
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