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Old 15-10-2007, 19:17   #5
dustinp
Registered User
 
Join Date: Oct 2007
Posts: 30
I see...

Well, I could take the eqipment off and keep it for my next boat. . . So you are saying most of the boats that length (even though the engine is small, mine will be 27hp) will have an alternator that charges the house bank or the starting bank via the flip of a switch??? So I guess I need to find out how many amps that alternator is and see what battery set-up I have. Then determine which to add, wind or solar, I was guessing that one or the other with the addition of the time I run the engine, plus when I can get to shore and charge up would be adequate. . . I am not trying to power Las Vegas, just a fridge/freezer combo, nav equip, lights, a microwave, laptop, and tv. . . you really think that will run me 6K?


Quote:
Originally Posted by Vasco View Post
A 34 foot boat will not likely have a big enough engine to run two alternators. Both banks can be charged by one alternator with a battery combiner or isolator. A 100 amp alternator can take about 7 hp. A 34 ft boat might have a 30 hp engine in it, tops. In my opinion relying too much on electronics or electrical stuff is not a good way to go. I don't know if you have the boat yet but think it would not be wise to spend too much money on what might be termed peripherals. You have to remember that a big alternator is just the thin edge of the wedge. You'll have to upgrade your wiring too, then there's the combiner and regulator. I don't know what your budget is but hi output alternator, solar, wind, regulators, batteries etc. can run up to at least $6000. Depending on the boat it might not be advisable to put so much money in one area. Not trying to discourage you but much of this stuff adds little value to the boat on resale.
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