How to Build and Use a Homemade Magneto Magnet Chargerĭave Gingery book is for the old model A ford type magneto’s. Magnetomotive force product of amps times turns of wire must be large enough to bring magneto magnets to saturation. Try to keep the layers uniform with adjacent turns touching tightly. Probably a VERY good read If you have a source of scrap iron, machine shop facilities and can come up with some surplus magnet wire, the costs can be drastically reduced. We bought the book, did builc and actually built one. To prevent shorts, the core must be insulated. A set of automotive jumper cables attached to the terminal block connects the charger to any 12 volt automotive battery or power source. To minimize machine work, all material should be sawed to length. Note the position magnetp the auxiliary pole pieces when charging this magneto. Hand truck after modification- ready for mounting the charger. A spool may be formed by placing fiber or cardboard washers around each end of the magnet cores and then wrapping the magnet cores themselves with several layers of electricians tape. Unless this is done, they will lose magnehizer magnetism rapidly. Dave will show you how a magneto works, how to test one, how the magnetizer works and will show you in detail how to build one. Build a Magneto Magnetizer, Gingery, David J, ISBN Build a Magneto Magnetizer Many people collect and restore old engines and in the process discover that the old iron magnets in the magneto.
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