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Old 12-03-2013, 22:23   #1
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Batteries

I am thinking of getting rid of my dedicated engine battery, and using the house batteries to start my 30 horse Perkins. REasons are a bit of weight savings and the starting battery is in the bilge along with wiring that needs to be moved.
Right now the house batteries are golf cart 6 volts wired to put out 12 volts.
Red Horse
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Old 13-03-2013, 00:03   #2
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Quote:
Originally Posted by Red Horse View Post
I am thinking of getting rid of my dedicated engine battery, and using the house batteries to start my 30 horse Perkins. REasons are a bit of weight savings and the starting battery is in the bilge along with wiring that needs to be moved.
Right now the house batteries are golf cart 6 volts wired to put out 12 volts.
Red Horse
Hi,
If you can start engine manually, OK. If not, rather risky.
My house bank is two independent batteries wired 1,2 or both . Charging is trough dual charge controller automatically . And engine battery is 1,2 or both, no problem there.
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Old 13-03-2013, 01:08   #3
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Re: Batteries

Not a good idea...if your house bank goes down, you can't start the engine.
Uness you're man mountain I don't fancy your chances of hand cranking a 30Hp engine.
Good seamanship tells us to have a separate start battery that is charged by the engine running, that way it is always charged and you can alwasy start no matter what happens to the house bank
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