[C38] Alternators

[Michael Cameron]

Larry,

 We have 2 8D AGM batteries in our boat plus a AGM start battery.  We do fine 
with a 100 amp Balmar and smart regulator . That is approximately 500 amp hours 
of batteries to charge, similar to your requirements.   We have cruised for 9 
days at a time with no shore power and never been more than 125 amp hours down 
on the battery bank.  150 amp alternator is going to require double half inch 
belts or a wide single belt, which will mean new pulleys.  If I had an 
alternator that big I would want a by pass switch so that when I needed all my 
horsepower I could cut the alternator load out of the picture.

michael






________________________________
From: Larry Malmberg <Larrypi at roadrunner.com>
To: Catalina 38 Listserve <listserve at catalina38.org>
Sent: Wed, September 14, 2011 2:41:09 PM
Subject: [C38] Alternators

OK, time for a new discussion here.  I have heard, read and been led to
believe that there is little difference between Balmar, others and
traditional alternators and voltage regulators.  I have been looking around
the net at alternators, external regulated, voltage regulators and such and
the more I look the more confused I get.  Tom T. are you out there???  My
Marine Electrician tells me I need a 150 amp alternator due to my batteries,
four 110 amp AGM's for house and one small start battery.  I currently have
a 90 amp alternator and a Balmar programmable voltage regulator.  Am I off
in the wind here or???





Best regards,

Larry Malmberg
Team Hassle


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