Some of this is fresh on mind since there's a battery issue I'm trying do deal with right now.
I've got a small diesel 4WD motorhome. Two FLA 12 volt starting batteries (in parallel), and two FLA 6 volt deep-cycle batteries (in series). All get charged by the single engine-driven Delco 12SI alternator. My problem is - Delco alternator does not charge at a high-enough voltage so the two deep-cycle batteries ever get past 90% full. And, if I stick in a higher voltage regulator, it will be a bit too much for standard starting batteries. Standard Delco USA reg is set at 13.8 volts. European is higher. The deep cycle batteries need a 14.2 volt regulator to get fully charged. Thus the problem.
Big boats typically have the same problem and they use a "battery to battery" charger. It allows one alternator to charge two separate sets of batteries at two different voltages. Just what I need, but way too expensive. Good example of where just a few tenths of a volt makes a difference.
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Today's Featured Article - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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