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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. How to Build a Magneto Magnetizer by David J. Gingery available in Pamphlet on , also read synopsis and reviews. Many people collect and.

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Hand truck after modification- ready for mounting the charger.

After hardening, the fiberglass and resin were sanded smooth and painted. What Dave has done is show you how to build a proven device from currently available materials, and at low cost. Cut manila folder into a strip, wind and cement it to the core between insulating washers. These procedures were used in the old days because many chargers were inadequate and magnetic theory was magnetizwr well understood.

Mechanical details of the charger. Check out British motorcycles for sale: I am not one of those ” wine to the mods ” kind of guys but when I see someone using anothers site for personel gain i get a bit chapped Top Posters 30 Days. To insure this, the current should be turned magnfto the electromagnet and magneto magnet suspended over it on a string. Therefore, do not connect or disconnect the mzgnetizer wires from the battery when the recharger is turned on. Gas Engine Magazine is your best source for tractor and stationary gas engine information.

The huild pole of the magneto charger can be verified by bringing the compass to about a foot from the charger pole while the current is switched on. Also my friend is a electronic genuis so he did all the real work.


This is adequate from a magnetic standpoint and is readily available from steel supply yards. The ammeter is connected in series with the switch and mounted to the wood base attached to the hand truck.

Without a healthy spark, the engine won’t run. Because of this fact, when charging magnetos, remember the pole which you desire to be north should be placed at the south pole of the charger first test the magnet with a compass magnetzer determine the north pole. After charging, the polarity can be verified by the use of a compass. Try to purchase two 20 pound rolls rather than one 40 pound roll. Charging magnetos Magnets have the unique property of magnetizing opposite to the polarity of the charging source.

Additional shaped pole pieces are useful for magnwto flywheels, rotors, etc. Dave will show you how to avoid what few problems you might encounter. If a lathe is not available, coils can be wound by attaching ,agneto crank with bolts threaded into each end of the core.

How to Build and Use a Homemade Magneto Magnet Charger

Gas Engine Magazine is your best source for tractor and stationary gas engine information. We bought mafneto book, did research and actually built one. The wire is then wound in layers progressively on top of each other. Materials 2 each 3-inch diameter x 6-inch-long bars C steel for the magnetic coil cores 1 each 3? Wind the coils on a lathe using back gears and clutching.

If an ordinary switch is magnfto, always check the ammeter to make sure the current has stopped flowing when the switch is opened.


Alternator diodes will work fine if the ones listed aren’t available. The single most important point in machining parts for this charger is to provide magnerizer fitting joints at all points in the magnetic path.

Build a Magneto Magnetizer / Imperfect

Arc suppressor diodes The purpose of arc suppressor diodes is to reduce the high voltage arc produced by the coils when the switch mxgneto opened. Failure to observe this precaution will result in smoked diodes when the charger is powered up!

One washer for each coil should be prepared with brass terminal screws as shown. These may be welded or bolted to the hand truck frame. Hi matnetizer any one help us. If not, check the wiring, paying special attention to proper battery polarity and diode polarity. Materials 2 each 3-inch diameter x 6-inch-long bars C steel for the magnetic coil cores.

Build a Magneto Magnetizer SOLD OUT!

In other words, the charged magnet comes off the charger with its south pole originating from the north pole of the charger. The windings will heat up quickly when in use; therefore, the switch should be closed for only a few minutes at a time.

Probably a VERY good read Construction of magneto chargers is not a new subject for GEM.

The charger weighs about pounds and is mounted on an inexpensive 2 wheel hand truck. Mark the north pole ‘N’. The expense can then be divided among the group.