However, there is a difference. The equipment in a military aircraft is
"expendable". No one plans on fighting a war that lasts more than a few
years. Amateurs plan to keep their tube rigs for 5 decades or more, so
tube longevity is more important.
Colin K7FM
> [Original Message]
> From: <MorgusMagnificen@aol.com>
> To: <amps@contesting.com>
To: <amps@contesting.com>
> Date: 10/9/02 8:00:49 AM
> Subject: [Amps] DC On tube filaments
>
> Those who are opposed to DC on filaments should immediately notify the
> Department of Defense, as they have apparently being erroneously doing
this
> in all of that aircraft electronics since the days of the Wright Bros.
> (almost).
>
> Remember the 1625? It was an 807 with a specially re-designed
filament
> to run on 12VDC, with two of them (wired in series) in the ARC-5 TX's
powered
> directly from 24VDC.
>
> Eric von Valtier K8LV
>
>
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--- COLIN LAMB
- k7fm@teleport.com
|