If you're designing transformers or motors that run all day, then yes, you'd use cores made of high magnetic permeability irons to reduce power consumption and heating. Are you trying to save a few pennies on your electric bill? I would think that almost any old chunk of steel or cast iron would work fine for this. I'm not sure I understand why you're worried about trying to make the coils very high efficiency. These poleshoes steal a lot of magnetic force. I don't understand the part about the pole pieces.Most magnetizers use two coils each wound around a piece of Iron standing side by side.To close the magnetic circle it is common to use two poleshoes made of iron. Wehn useing the standard formula I came on 1700 Wdg for each coil. I can not say exactly because I qwound it on a lathe without a counter. Yes,200 volts DC full wave ( four diodes). I assume that you feed it AC full-wave rectified to DC (plus ripple). That's 3,680 watts, more than most toasters. Place magneto on Magnetizer with poles in proper polarity. You can build this simple device to create new magnets and recharge. Build a Magneto Magnetizer, Gingery, David J, ISBN 978-1-87. Its available as a PDF for your PC or other. I was looking in to building a mag magnetizer and has anyone had luck building one that works and.
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