Ok, I will be gutting my electrical "Mess" in my 78 hunter 33. The wiring is a old, non tinned, and Romex.
I am struggling with a plan of action. Should I design a system that uses all possible 12V components? AC, Water heater, Refrigeration, Microwave, coffee maker, ect. Or is it better to plan on using AC components with something like a 2,500 Continuous Watts 5000 Surge Watt Pure sine wave inverter?
Another factor that effects my plan is this. I want to remove my 50gal water tank (about 450lbs total) from the v-birth and put two 25-30 gal tanks on each side under the seats in the salon (center fore and aft). Than put the house batteries in the v-birth area. My thinking on this is, when the water tank is full the bow rides level but when the tank is empty it rides high. I am going on the assumption that a constant weight of batteries (450 lbs) on the forward section would balance out the boat no matter how much water I am carrying. The water would make the whole boat float high or low not mostly the bow.
The main issue with this thought I think is charging the batteries. If I use the engine DC alternator to charge the batteries, that will be about 20-25 feet away. If I use a 12 volt one it will take a 3/0 wire to keep the voltage drop down. If I use a 24 volt one I can use a lower gauge wire but then what do I do to connect the batteries? would I have to step down to 12 volts?
If I hooked up an A/C engine driven generator head I could use the 120 volt output to run the DualPro, maybe? Then it would be using the shore power circuit while the engine is running. And I would not need the 3/0 cable.
I am just not sure which makes more sense, if at all.
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