If it was needed in normal service, TenTec would have put it on the rig. The
fans are good for HD service, but not needed for most applications.
Mike, k5wmg
On Wed, May 4, 2011 at 8:56 PM, Barry N1EU <barry.n1eu@gmail.com> wrote:
> On Thu, May 5, 2011 at 1:42 AM, <d.e.warnick@comcast.net> wrote:
> > If you are a bit crowded, chances are that air flow is not as free as it
> could be across the heat sink. All the more reason to force the movement of
> that air with a fan
> >
>
> Yeah, but if air flow is not impeded and you're not running 100W RTTY
> on the Orion, is there any evidence that you need an external fan with
> the Orion? Sure you can use one, but do you really need one?
>
> With the Omni VI, you would hear the passband center frequency
> shifting as the rig heated up during cw contest running and an
> external fan was the cure. On the other hand, the Orion seems
> unflappable during cw contesting, without the fan.
>
> 73, Barry N1EU
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