Using the voltage-sensing wire can make a big difference in some cases. I just built a portable gas-driven battery charger. It has a 72 amp Delco 12SI hooked to a 6 horse gas engine. 10 feet of charge cable leads with #2 copper. Alternator was one I had laying around that already had an aftermarket self-excite "one wire" regulator. I tried charging a solar battery bank with it and got pretty fed up. When charging at high amps - it had 14.2 volts at the alternator but only 13.7 volts at the battery bank. The battery bank would never rise above 13.7 volts because the alternator thought it was at 14.2 volts. I finally took the alternator off and stuck in an OEM Delco standard regulator and ran a separate sense wire to the bank with #10 copper. Now it works great and the battery bank comes up over 14 volts.
Obviously on a tractor with a battery three feet away from the alternator, it does not make as big as difference.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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