[TenTec] Hercules II battery arrangement

[Dr. Gerald N. Johnson]

On Mon, 2006-09-25 at 06:39 -0400, Duane Budd wrote:
> I read with some interest the responses to the question of
> using a Herc II on batteries. Jerry, K0CQ, gave his usual
> erudite, technical answers (usually well above my level of
> expertise).
> 
> On this subject, what I THINK he is saying is that the
> Hercules should not work quite as well on batteries as with
> a 14-volt p.s. My experience using the Hercules on both
> bears that out. Optimum output is best with the 9420 supply
> operating on 220 v.a.c. While the difference in the received
> signal may be insignificant except in very weak signals, the
> differences in overall operation, safety and the absence of
> hydrogen and all that weight and cables is not.

If you keep the batteries on charge while using the PA, the voltage will
stay up pretty good, so the power output droop won't be as much as from
running on the batteries alone getting down to 12 volts.
> 
> BTW, I have a set of cables with first-class fuse holders
> and fuses I built when I was using the battery/charger
> setup, if anyone is interested.
> 
> Duane Budd
> dcbudd at charter.net

-- 
73, Jerry, K0CQ,
All content copyright Dr. Gerald N. Johnson, electrical engineer