Why have a cranking battery? - SailNet Community
 
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post #1 of 4 Old 03-15-2011 Thread Starter
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Why have a cranking battery?

Second post. Please forgive me if I don't use proper forum etiquette .

My Catalina 27 (1974) has 3 batteries (two house and a cranking). The ouboard (2000 Yamaha) is only 9.9hp. Do I really need a cranking battery for a motor so small? Would it be terrible if I replaced it (it's 7 years old and has a buldge on the side) with another house battery?

I thought because it has a pull start, it may not require a dedicated cranking battery.

Just curious.
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post #2 of 4 Old 03-15-2011
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I can't see any reason to have a dedicated cranking battery for a small outboard, unless you can't get to the pull start when the engine is down.

John
SV Laurie Anne

1988 Brewer 40 Pilothouse

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post #3 of 4 Old 03-15-2011
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I agree with jrd22.

In a boat with an inboard I would look at the starting battery more as an emergency battery and start on the house bank anyway.

Brian
Living aboard in Victoria Harbour
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post #4 of 4 Old 03-15-2011 Thread Starter
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Thank you guys for the speedy reply. I feel the same way, but wanted to get more thoughts.
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