The relay will not close until charging voltage closes it. Until that point the red lamp activates the field current. The other unit in regulator is the actual regulating part. The points carry the field current and have to be sparkly clean. When alt starts charging those points open when reaching adjujsted voltage setting to cut field current, then close again as soon as voltage drops . It does this hundreds of times a second that is why they are called vibrating regulating systems. Electronic regulator do this with solid state components and they used to preach to us that this could take place as high as 7 thousand times a second. I never tried counting it. Good wires, good connections, including grounds essential on either kind.
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Today's Featured Article - The Rescue of a Fordson F - by Anthony West. Introduction I live in the UK and have for many years restored Fordson tractors (in the main model N's). I have also restored and shown model F's, E 27N's, Field Marshall Series 2, David Brown Cropmasters and the old rey Fergeson T 20. At one time I had seven restored examples which were shown and used in ploughing matches. As most restorers, I have a number of war stories I can relate on a range of topics that may help other like minded and interested people. Perhaps my first p
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