TWL: Fw: Cup of coffee revisited
Subject: TWL: Fw: Cup of coffee revisited
From: Jim Alexander (jalexander127@XXX.XXX)
Date: Tue Sep 04 2001 - 21:30:55 EDT
I inadvertantly sent this message to Alex instead of the intended
destination of TWL
----- Original Message -----
From: Jim Alexander <jalexander127@XXX.XXX>
To: Alex Hirsekorn <alexh@XXX.XXX>
Sent: Tuesday, September 04, 2001 9:16 PM
Subject: Cup of coffee revisited
> Yes, Patrick, you hit the nail on the head. My original question with
> regard to the cup of coffee was purely rhetorical. However, lot's of good
> suggestions have come of it. Again, thanks to the experience of this
forum.
>
> The boat in question, which I delineated to you in a private email, but
> which you posted information on in your previous post, is in fact to be
> considered a "Marina Queen" the way it is currently outfitted
electrically.
> The boat currently, besides the 15KW Onan, relies almost totally on shore
> power (IMHO)
>
> It has an adequate battery bank for a "good start" but lacks in charging
> capacity, (again IMHO). It has a total combined capacity of about
720AH's
> but only has a single 35 amp battery charger and only 30 amp altenators on
> the engines. If what I remember from past reading, this would equate to
> about 10 hours of Generator running time to recharge the total bank if at
50
> discharge. (35amps X 10 hrs = 350 amps replaced) Is this correct?
>
> Next question, when running the mains, does the fact that each engine has
a
> 30 amp altenator mean that you would get a total charge of 60 amps?
>
> I feel that what would be desired would be at least the addition of two
more
> 4-D's, which would give two house banks of 2-4-d's (each bank therefore
> containing approx 360 AH's)
> plus a dedicated gen start battery and a dedicated engine start battery
for
> a total of six batteries total. Then I would want something like a Heart
> 2500 Inverter with the 130 amp charger and possibley the link 2000 moniter
> to track it all with. Then I would probably want at least one high output
> alternator? Am I on the right track here, I mean does this make sense?
>
> Jim Alexander
>
>
>
