Thursday, April 12, 2012

Re: [Electric Boats] sailboat house battery bank questions

 

Ebay has 9 hp watercooled diesels for around $1000 that would be a cheap way to go
 
 
From: william munger <wmunger@programmer.net>
To: electricboats@yahoogroups.com
Sent: Thursday, April 12, 2012 6:56 PM
Subject: Re: [Electric Boats] sailboat house battery bank questions



Ok, I am leaning toward getting 4 4D 12volt Deka batteries for my house bank.  My thought is this, can I replace my 35amp Alternator with an AC Generator head like this
http://www.northerntool.com/shop/tools/product_21008_21008
to power my DualPro 4 bank charger while the diesel is running?  That way each battery has its own charger instead of one alternator charging 4 batteries.

It puts out 2600 continuous Watts. 21.7 Amps at 120 Volts. Has two 15 Amp, 120 Volt outlets with 11 amp breakers.  The DualPro pulls about 7amps I think so it should be enough to power it.

I have a 2QM20 Yanmar thats rated for 18HP and this says it requires 5HP.

I know I will need to figure out the proper pully and belt sizes to and maybe an electric clutch to kick in and out when the engine RPM is in generation range.

So my question to you guys with real life experience is this, am I overlooking an issues with this?

Thanks,
William




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