[Milsurplus] LM-18 and AC PS Questions.. More

[J Forster]

Hi Robert,

They did the same thing with the Power Control Box on the ASB-5 Radar.
The early ones had three switches for capacitors to adjust power factor
and an AC meter. They later dropped the meter but kept the switches. It
seems absolutely nuts to me as it's most likely the switches would get
twiddled and there would be no way of knowing the set voltages were way
off. Overvoltage would not lad to long life for the four 15E finals.

I see no provisions for any pre-flight setup either.  Maybe they were
ordered "Do NOT Touch These Switches" ??

Go figure.
-John



WA5CAB at cs.com wrote:

> Yeah, I agree.  May have been a cost saving measure.  The supplies
> certainly look better with the meter.
>
> In a message dated 5/26/2007 12:20:41 PM Central Daylight Time,
> jfor at quik.com writes:
>
>> That makes some kind of sense. However, w/o the meter you need an
>> external line voltage monitor to set the switches. Strange, IMO.
>
> Robert & Susan Downs - Houston
> <http://www.wa5cab.com> (Web Store)
> MVPA 9480
> <wa5cab at cs.com> (Primary email)
> <wa5cab at houston.rr.com> (Backup email)