YOURE WELCOME, A typical Generator can charge at EITHER Polarity.......The shop cant do anything you cant do yourself, its how you POLARIZE it that imparts a degree of residual permanent magnetism in the soft iron field poles around which the fields are wound that determines its polarity.. Just as Electrical polarity is + or - Magnetic field polarity can be North or South and its orientation likewise affects the polarity of the voltage induced if you pass a coil of wire through it or the magnetic field passes by the coil of wire.......
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Today's Featured Article - The Ferguson System Principal An implement cutting through the soil at a certain depth say eight inches requires a certain force or draft to pull it. Obviously that draft will increase if the implement runs deeper than eight inches, and decrease if it runs shallower. Why not use that draft fact to control the depth of work automatically? The draft forces are
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