[MarinTeams] Fw: generator

[Bill Smith]

----- Original Message ----- 
From: "Bill Smith" <hbco2 at sbcglobal.net>
To: <rosenbergfam at juno.com>
Sent: Saturday, December 22, 2007 8:01 PM
Subject: Re: generator


> Hi Ken,
>
> I don't recall, will have to look when I am next at Hamilton.  24V?  I
know
> it is more than 12 volts.  I think it is 24 volts.  The four 12V batteries
> there now are wired in series-parallel.  They are the largest deep-cycle
> batteries Costco sells, don't recall the rating.  Haven't looked at the
> setup in over a year.
>
> The repeater takes the majority of the power as it has a saturable reactor
> transformer in the power supply.  Think 100 watts receive, 200 watts
during
> transmit.  It also has a battery backup provision built-in, but no one
uses
> it.  We don't have a book anymore on the repeater equipment, and
replacement
> documentation is very hard to find.
>
> The MARS node consists of an old computer, two PK-232 TNC's, a VHF radio
and
> a HF radio.  Think it probably takes 50-75 watts standby and maybe 125
watts
> transmit.  We should measure.
>
> The packet node takes a 12A Astron power supply.  Probably 10 watts
receive,
> 40 watts max. during transmit.
>
> I think the inverter is a 400 watt device.  As far as I know it has been
> able to handle the load, though perhaps it has not been tested with all
the
> transmitters on at the same time.
>
> Can we move this discussion to the e-mail reflector?  It might stir club
> interest.  :-)
>
> 73 de Bill, AB6MT
> hbco2 at sbcgobal.net
> 456-4481
>
>
> ----- Original Message ----- 
> From: <rosenbergfam at juno.com>
> To: <hbco2 at sbcglobal.net>
> Sent: Saturday, December 22, 2007 6:51 PM
> Subject: Re: generator
>
>
> > Bill,
> >
> > your email said that the present UPS at Hamilton requires 4 batteries?
> > is that 4 6 volt batteries in series to give out 24VDC or what.  What is
> > the amp per hour requirements of the batteries and what is the final
110v
> > watt requirements for the emergency equipment. I am assuming you need
> > 110vac.
> >
> > ken
>