here we go, as usual nothing is simple or straightforward. Ample power had an alt on for half price. 120 amps compared to the 80 that comes with the YGM. It seems such a waste to run an engine for battery charge so lets cut the time down and create a balanced system. It also has an isolated ground so nothing is grounded through the engine itself.
Another thing was that the mount had to be modified, darn. I ahve a lso purchased a SAR V3 from Ample Power, it seems to come very highly recommended and has the ability to uncouple the field to the alt and then allow full power restoration of the engine.
Its taken me a while to get to the bottom of much of this, everyone has their own ideas which obviously works for themselves. I understand that voltage regulation is absolutely critical to the battery charging. Tiny voltages make the difference. When you are dealing with a small engine like the Yanmar, it has 29 hp and you may use six of this to power the electrics. So to be able to release this it times of need is a great advantage.
I have already purchased all nav lights from Orca Green and they are all LEDs and their power consumption is tiny. The mast head is a stobe and comes with a sensor to auto switch on and off. The plan is to follow thru with interior lights in the LED style, but it may have to wait for awhile yet. I plan 400Ah for the house batteries and 100 for the dedicated engine battery.
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