Neat alternator mounting - pair providing nearly 3kW of power generation
Top 160 amp alternator charges service bank. The bottom 90 amp one feeds a zero volt drop three way selective splitter, giving start battery priority, then service bank and finally bowthruster bank when the other two have reached 13.3 volts.
Both have positive belt adjustment and are equipped with external digital regulators. I measured 156 amps from the top one at 650 rpm engine speed whilst testing with a 3kW kettle. With the second alt helping we were only 25 amps short of matching the load on the inverter.
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