On Nov 17, 4:26 pm, Gene Kearns
wrote:
On Sat, 17 Nov 2007 09:58:38 -0800 (PST), penned
the following well considered thoughts to the readers of rec.boats:

On Nov 17, 11:31 am, "jamesgangnc" wrote:
No, that is a bad idea. Your truck alternator probably puts out something
around 50 amps max.

How? The power produced by the alternator is regulated. The only way
you'll see that 50A current is if both batteries are dead flat. Then,
the truck's battery will be taking half of that.

That is an assumption. The battery getting the most will be the one
with the least internal resistance. Plus, with a parallel setup the
alternator is going to see a combined resistance lower than the lower
of the two batteries.

IMHO, doable, but only with some additional hardware like a battery
combiner.

PS
I'm wondering how long it will be before the old "concrete floor"
thing comes up....

--

Grady-White Gulfstream, out of Oak Island, NC.

Homepagehttp://pamandgene.idleplay.net/

Rec.boats at Lee Yeaton's Bayguidehttp://www.thebayguide.com/rec.boats

Been wondering about that myself!