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+--- Thread: Resend- Re: batteries in place of generator (/showthread.php?tid=6124)
Resend- Re: batteries in place of generator - Ross MacKillop - 12-18-2007 16:11
----- Forwarded Message ----
From: Ross MacKillop
To: WanderlodgeForum@yahoogroups.com
Sent: Tuesday, December 18, 2007 6:18:36 PM
Subject: Re: [WanderlodgeForum] Re: batteries in place of generator
Hi,
Just to clarify a couple of pts and questions.
The new all electric 450 has 2 140 amp alternators (@24V) and can run 2 of the 4
A/C -heat pumps while on the road.. There are 2 -3600 w Vanner inverters and
one 1500 true sine wave inverter for the fridge and electronics. The fridge is
a minor draw -Kitchenaid .
To run an A/C on battery alone- no way 11-12 amps 120 V is ~140 amp at 12V
Onan has a new slick method of reducing the size of the alternator and
increasing battery/inevrter use http://www.cumminsonan.com/hqd/
Ross
2006 450 LXi
Cambridge ON
in San
Antonio
----- Original Message ----
From: bubblerboy64
To: WanderlodgeForum@yahoogroups.com
Sent: Tuesday, December 18, 2007 2:48:50 PM
Subject: [WanderlodgeForum] Re: batteries in place of generator
Well? I just learned last week that many of the new buses are all
electric. Now, can you run the air conditioning in these buses off
the batteries? I would guess that you can not. That you would have
to start the generator. Some one mentioned the refrig as being a big
draw on battery bank stored energy. Seems to me an air conditioner
would pull more then the refrig unless the refrig was started in a
warm condition. I know nothing about this subject other then
personal experience with RV roof air conditioners and I know they
draw a bunch of power especially on first start up.
John Heckman
central Pa
1973 FC
>
> and 3600 watts = 30 amps at 120v. I've never worried about running
an AC on
> a 30amp shore hookup.
>
> I'm pretty sure the book says the AC units pull about 12 or 13 amps
> running. If they need some surge to start I would think the big
inverter
> and the bank of 8 to 12 batteries could handle it?
>
> On Dec 18, 2007 3:20 PM, Peter T. Arnold
>
> > 300 Amps X 12V = 3600 watts
> >
> > I wouldn't think of running a 13.5 BTU air conditioner with out a
5.0
> > Generator to cove line loss and motor start surge.
> >
> > Pete
> >
> >
> > On Tue, 18 Dec 2007 14:10:59 -0500, you wrote:
> >
> > >I could do that also. I already own a couple of portable
generators, one
> > >5kva and and 7.5kva.
> > >
> > >I'm not so much planning on running the main engine solely to
charge the
> > >batteries as charging the batteries while going down the road, or
> > charging
> > >the batteries while parked where there *is* shore power. I
probably need
> > >to make sure we can run one of the rooftop AC units while going
down the
> > >road, but I'm suspecting a big hunky alternator (say 300 amps or
so)
> > could
> > >handle that... I'm guessing that 12.5kw gas genset and
associated 30
> > >gallons of fuel must weigh over 500lbs combined, which is a fair
amount
> > of
> > >batteries, say another 8 or more.
> > >
> > >On Dec 18, 2007 1:21 PM, bubblerboy64
40hotmail.com> >
> > wrote:
> > >
> > >> Dorn, Don't know if your idea would work or not, but I have
decided
> > >> if my generator dies I think I will make a storage bay for my
> > >> portable Honda generators and do it that way. Wouldn't be able
to run
> > >> them going down the road but I would be able to use them as I
did
> > >> with my previous trailers. I own the Honda's and rather then
dumping
> > >> big bucks into a new onan or similar I think I would
compromise as
> > >> suggested.
> > >> John Heckman
> > >> central Pa
> > >> 1973 FC
> > >>
> > >> >
> > >> > The gas generator on my 77FC35 isn't in the best shape.
(hosed up
> > >> flywheel,
> > >> > takes many tries to find enough teeth to make it start, then
> > >> doesn't run for
> > >> > more than 5 minutes without starving for fuel... (or so it
seems))
> > >> >
> > >> > I'm considering just pulling it out and filling the hole
where it
> > >> used to be
> > >> > with a big pile of batteries and a big inverter/charger.
> > >> >
> > >> > My thought is that the generators weight in batteries would
be a
> > >> lot of Amp
> > >> > Hours.
> > >> >
> > >> > I would also probably put in the biggest alternator I could
get my
> > >> hands on
> > >> > for best charging and most useable power whilst on the road.
> > >> >
> > >> > I realize this arrangement probably won't run the much air
> > >> conditioning, or
> > >> > for long, but I don't have any immediate plans to boondock
with the
> > >> air
> > >> > running
> > >> >
> > >> > Any thoughts? Anyone tried this with success or failure?
> > >> >
> > >> > Regards,
> > >> >
> > >> > Dorn Hetzel
> > >> > 77FC35
> > >> > Hogansville, GA
> > >> >
> > >> >
> > >> > [Non-text portions of this message have been removed]
> > >> >
> > >>
> > >>
> > >>
> > >
> > >
> > >[Non-text portions of this message have been removed]
> >
> > --
> >
> > Fraternal Regards,
> >
> > Peter T. Arnold
> >
> > Worthy Patron, Temple Chapter #53 {3rd Time}
> >
> > Hartford Evergreen Lodge #88 Past Master
> > Meets on 1st and 3rd Mondays
> >
> > Washington Lodge #70, Past Master 1997
> > 2nd and 4th Monday
> >
> > Yahoo 6th District B.L.C. Newsgroup Co-Moderator
> >
> > Past A.G.M., Masonic District 6B
> > Grand Lodge of Connecticut A.F. & A.M.
> >
> > As you can see, I'm busy on Mondays!
> >
> >
>
>
> [Non-text portions of this message have been removed]
>
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