products offers magneto magnetizer products. About 16% of these are mobile phone bags & cases, 7% are magnetic materials, and 5% are. “Could you send plans and drawings for the magneto charger in your article?” This was the most frequent inquiry I had after my November GEM article on . I would like to build a magnet charger like the one John Rex wrote in the January I have been a full time Magneto Restorer/Repairman for quite a number of.

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Russ, my question is what do you ask for? My switch came from the electric distribution room of a local manufacturing company.

I used C steel for all components in the magnetic path. Those units were not sufficiently heavy to charge many magnets while installed on the magneto.

At this stage, the coils are finished. Sumner magneto from Watkins engine ready for charging. Medium power Loudspeaker Magnetizer Demagnetizer.

Traded a dozen donuts to the wrecking crew for the switch. The supplier supports Trade Assurance — A free service that protects your orders from payment to delivery.

Magnet Charger

The permeability is a characteristic number for the pole pieces used and is the ratio of the amp-turns to magnetic field strength. I would like to build a magnet charger like the one John Rex wrote in the January G. You may think a large BMF charger is better, but if it is operated at a current above saturation, all it will do is make a nice hand warmer in winter. Air is a poor conductor of magnetic flux and we want to put magnetic energy at the pole pieces rather than waste it in cracks and gaps due to poor fits.


Assembly and testing are all that remain. So, for these Lucas magnetos, after we have charged the magnet, we can simply remove the magneto body from the internal magnetiser’s core, and then fit the magneto’s armature. I have always thought that you can have less turns and more current, or more turns and less current in the magnet windings and still do the same amount of work. During charging, it is not necessary to tap the magnets, ‘wipe the poles’, or perform the other mysterious procedures indicated in some old literature on magnets and magnetos.

Magnet Charger for Magnetos

It is amazing to see an engine block jump a couple feet or so off the ground when the magnet gets close. I wouldn’t want to get stuck with something no one wanted though. Anybody in NJ want to build one. Strong Neodymium Magneto Magnet. Nowadays we only use the external magnetiser if we can’t use the internal magnetisers. How is the strength of a magnet measured9 Gaussmeters are used to measure the magnetic field density at the surface of the magnet.

When the button is pressed, the capacitor is charged from the mains through the rectifier to a voltage shown on the voltmeter which levels out at just under V. Alternator diodes will work fine if the ones listed aren’t available. Are there different types? Magnetuzer components, such as the knife switch and terminal board, are mounted to a wood base on the hand truck. On the Gingery the cores are 2″ dia x 6″ mild steel mounted magnehizer a 4″ x 10″, 1″ thick mild steel plate!


What Engine for Clutch Pulley? If the wiring and winding have been done as indicated the north and south poles should be as shown in the figures.

magneto magnetizer

As everyone knows, opposite magnetic poles attract while like poles repel. Magnet wire is available from motor rewinding shops, transformer magnetizzer and suppliers specializing in magnet wire.

The number of turns in the coils, and the wire size, or gauge has to be proportionate.

If a lathe or mill is not available, file and hand scrape the parts for a perfect fit at the joints. I am not a metallurgist, so my knowledge of these materials is limited. The use of magnet wire is important because wire with thick insulation can’t be densely packed.

Say 10 volts times amps, versus volts times magneizer amps, which in both cases equals watts of power, or energy. Hi Ted, I have an Allen heavy duty magnetizer that will really do the job.