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Old 28-04-2015, 21:30   #1
Marine Service Provider
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Join Date: Jul 2011
Location: Presently in Rogersville, Al
Boat: Mainship 36 Dual Cabin
Posts: 695

I have twin 270 Crusader engines and I usually run one at a time.
I do this for my own reasons and so I don't want this thread hijacked into the why of it all. I just do. Anyway, my question is two fold:

1). Can I run the blowers off my house batteries with the alternator from one engine keeping them charged? I'm not sure right now where they are powered from right now. I don't even know how much power they consume.

2). I usually leave the blowers on all the time I am running the boat. Some people think it is odd. I thought I was supposed to with gas engines. Am I?

Thanks in advance
Mainship 36 DC - 1986
Retired and Full Time Cruising the Eastern U.S. inland Waterways
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Old 28-04-2015, 21:45   #2
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Join Date: May 2011
Location: Miami Florida
Boat: Ellis Flybridge 28
Posts: 3,617
Re: Blowers

I don't see any reason to run the blowers after the engine has been started. Your big old gas engine is going to suck in and blow out far more air than the typical 3 or 4 inch marine blower.
Retired from Hopkins-Carter Marine Supplies
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