Posted by jdemaris on August 10, 2008 at 06:38:03 from (72.171.0.142):
In Reply to: magneto re-magnetizing posted by Revredneck on August 09, 2008 at 12:34:11:
With a good magnet charger, it can be recharged in a few seconds. Best way to do it is with the magnet/rotor out - but it also can be done while the mag is all together. Problem is, when done that way, the impulse-dogs temporarily get magnetized and hang up for awhile. I've got an original magnet charger here - I bought out the contents of a magneto shop years ago. It's a big and heavy unit. All magnets get weak over time, but don't go completely dead unless stored "bare" with no metal near them. When a mag is together, the magnet is always surrounded by metal. But, if you take if out and let it sit by itself, it will go stone dead. A magnet that is out of the mag and charged needs a "keeper" attached to it. Any chunk of metal will do.
In regard to your Wisconsin, there are bolt-on replacement distributors for them - maybe you'd rather have that if battery ignition is what you want. There are stand-alone distributors, and also distributors coupled to generators (for battery charging). They directly replace the magneto.
If you wanted to convert your mag for battery use, you'd need an outside battery coil. A single "twin spark" coil works fine for TE and TF engines, and a conventional single coil works fine on the TJ two-cylinder models. Cheapest "twin spark" coils are available from Kohler or Onan. They have a single primary and dual secondaries.
That all being said, all the parts are available for either the Wico or the Fairbanks Morse mags used on the Wisconins and they are pretty reliable.
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