From: Ed Kirkley (mojoedd@bellsouth.net)
Date: Sat Feb 23 2002 - 13:17:56 PST
Hi Richard,
I don't understand why the CUCV M1009 has that system either. It's very
strange when you get into it. The two 12 VDC batteries are in series to
provide 24 volts to the two way radio system and some other items on the
truck but the basic truck is 12 VDC! The lights, turn signals, glow plugs
and a lot of other items are 12 VDC. As a matter of fact there is a lead
off of one of the batteries that goes directly to the glow plug system! It
goes into a reducer that takes the 24 VDC and changes it into 12 VDC! I'm
sure that the more experienced CUCV people on the list will have a lot more
information on the subject and I will bow to them for more details if
needed.
I have been running 12 VDC off of one of my batteries since I've had the
truck with no problems. I use it to run a lot of items but only when the
truck is running. I also have had the Solargizers installed, (one per
battery), since I've had the truck and recommend them highly.
Best Regards,
Ed Kirkley KG4OUJ
1984 M1009
M103 Trailer
----- Original Message -----
From: "Richard Notton" <Richard@fv623.demon.co.uk>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Saturday, February 23, 2002 16:00
Subject: Re: [MV] CHEAP (er) 24 to 12 volt converters, if you care
>
> ----- Original Message -----
> From: "Ed Kirkley" <mojoedd@bellsouth.net>
> To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
> Sent: Saturday, February 23, 2002 2:16 PM
> Subject: Re: [MV] CHEAP (er) 24 to 12 volt converters, if you care
>
>
> > Jeff,
> >
> > I understand the wording of your message and in that setup I tend to
agree.
> > On the other hand in a two 12 volt battery system with two alternators
that
> > each provide power to one battery, (such as my CUCV), I wouldn't think
that
> > this would apply?
> >
> The piece from Jeff is quite correct when the system is fed by one charge
source
> only and I was going to point out the subtle but substantial difference,
as Ed
> has done here, with the twin 12V alternator arrangement; although entirely
alien
> to us here and I cannot think of one commercial or military vehicle this
end
> which uses such a system. Apart from being able to handle imbalanced
loads I
> cannot understand why such complexity is designed-in in the first place.
>
> Its not just a case of discharging one battery of the 24V bank, you can
envision
> this with just one of the older style batteries having inter-cell lead
links on
> the outside. Here it is quite possible to tap one cell for instance
(should you
> want a nominal 2V source) and again destroy that cell and thus the other 5
by
> the means previously described.
>
> Richard
> Southampton - England
> -Solent Area MVT-
> http://www.solentmvt.co.uk
>
>
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