[MarinTeams] Re: [K6BW] Fw: generator talk

[Bill Smith]

12 volts x 12 amps = 144 watts.  Used 150 watts for planning purposes.
Understand the transceiver doesn't use full juice from the power supply.

Sounds good, lets see what others have to say.  There are two groups, the
Hamilton Wireless Association and the CERT Radio Volunteers.

73 de Bill, AB6MT
hbco2 at sbcglobal.net

----- Original Message ----- 
From: "Bill Smith" <hbco2 at sbcglobal.net>
To: "QTH Reflector HWA" <k6bw at mailman.qth.net>; "MarinTeams at qsl.net"
<marinteams at mailman.qth.net>
Sent: Saturday, December 22, 2007 11:09 PM
Subject: [K6BW] Fw: generator talk


>
> ----- Original Message ----- 
> From: <rosenbergfam at juno.com>
> To: <hbco2 at sbcglobal.net>
> Sent: Saturday, December 22, 2007 9:20 PM
> Subject: Re: generator talk
>
>
> > Sure Bill, move the discussion to the forum.  Sounds like the  HWA
> > equipment uses vacuum tubes and was made in the 50's, and uses a lot of
> > juice for emergency equipment.   a 12v 12 amp Astron  takes 120 plus
> > watts to run?
> >   The common inverters that I have seen and are fairly cheap all are
> > 12volt units.  For example,  Harbor Freight Tools in Vallejo sells  a
> > 1200 watt continuous /3200peak watt inverter that puts out a modified
> > sinewave for sensitive equipment for $89.99.  90% efficient.  They also
> > sell a 9hp Robin powered generator rated at 4400 watts continuous with
> > electric start(all the electric starts I've seen also can be started
> > manually with the rope starter. The one with a 14 hour fuel tank sells
> > for $600.  One regular 12v Costco battery selling for $50. is rated for
> > about 50 amp- hours which means it would run the inverter putting out
> > about 600 watts for about 1 hour.  You can juggle around the figures by
> > better estimating the total wattage needed at 110v with the amp hour
> > rating of a 12vbattery.
> > So if you put it together, you have a battery ($50.) plus an
> > inverter($90.) plus a transfer switch ($225) plus an electric/manual
> > start,($600.) and you have a UPS emergency system new for about 1k.  You
> > might also add a cheap small trickle charger to keep the batteries up
and
> > ready.
> >
> > k
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