Check www.nationsautoelectric.com. They have a dual alternator kit for 99
and later Chevy/GMC trucks and vans.
73! Chris N9YH
On Apr 26, 2012 8:47 PM, "Marshall Williams" <k5qe@sabinenet.com> wrote:
> Hello to all....As you know, I am working hard to put up an FB
> DXpedition to DL88 in late June. I have one last problem to solve and I
> need HELP!!
>
> We are going to have a 50V battery stack(4 each 12V batteries in
> series). These are large batteries....in excess of 100A/h each. We
> will need to recharge these batteries as we go along so that we can keep
> operating. I ran into Rollie and Roy-KC0YLL who run an alternator shop,
> namely Sun Born Energy in Missouri. After a lot of describing what I
> needed, they hand wound a 48V(nominal) alternator for us. This
> alternator is in a standard case and looks just like the 12V alternator
> in a lot of cars and trucks. However, it puts out about 54VDC @
> 20A(depending on the RPMs of the vehicle and stuff like that). This is
> ample for charging the 50V battery stack and will work perfectly IF we
> can figure out what vehicle to put it in.
>
> I was told that the big diesel pickup trucks had a mounting place for a
> second alternator. This "factoid" does not appear to be correct. Mark
> Twain popularized the saying that, "There are three kinds of lies:
> lies, damned lies, and statistics". Well the idea that there is a ready
> mounting place for a second alternator is not a statistic, so it must be
> a lie or a damned lie.
>
> All joking aside, I am in a bind on this problem. We need to find a
> vehicle that will yield itself to mounting a second alternator without
> rebuilding from the ground up. IF anyone has any firm knowledge that
> will get us onto the right road here, I really need to hear from
> you....and QUICKLY. Said vehicle really needs to be a 4WD type, as the
> roads to DL88 are really tough to navigate with 2WD.
>
> If we can solve this last logjam, we should be good to go. There is
> still a LOT of detail work left to be done, but it should just be a
> matter of getting our ducks in a row. If you know anyone that is an
> "auto mechanic" or a hot rod builder, or whatever that knows his stuff,
> ask around. Surely, someone knows how to do this.....
>
> Thanks for the help....
>
> 73 Marshall K5QE
> Member K5N Grid Activation Group
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