mullokintyre
Joined: 17 Sep 2007 Posts: 15 Location: AUSTRALIA
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Posted: Tue May 20, 2008 12:38 am Post subject: RV-List Digest: 23 Msgs - 05/19/08 |
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Hello Electric buffs. I have a question that may appear stupid, but I'll
take my chances.
Below is a statement made by a lister recently:
Quote: | Subject: Re: Battery problem
Other batteries work too.
The problem with the odysseys is that the biggest one which fits inside the
battery box is only 18ah, and that is not big enough for my preference
(electric ignition, fuel pumps, and flight instruments).
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If I had electric ignition fuel pumps flight instruments etc that when
running should use say 30 amps in total.
If my alternator that was putting out 55Amp hours, why should I worry that
the battery was not rated at 30 amps? The main task of the battery is to
start the big fan at the front. Once that is running, the Alternator should
be able to handle the entire load and then some. So the real question should
be, what is my essential bus load , and how long do I want my battery to
last b4 I need to get on the ground?? Wouldn't it make more sense to have
two batteries rated at say 18 amp/hours each rather than a single battery
rated at 35 amp hours??
Mick
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