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Old December 20th 06, 01:55 PM posted to rec.aviation.homebuilt
Denny
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Posts: 562
Default Jim Weir - desulfating battery charger

I am not Jim, but...
First it does not matter if the battery is under charge or idle as far
as the desulfator...
The battery powers the desulfator charging or not
The desulfator consists of an oscillator that uses a
transformer/rectifier to charge a high voltage capacitor...
Periodically several times a second the high voltage on this cap is
dumped back into the battery as a high voltage spike.. This
theoretically blasts sulfate ions off the plates...

Build the desulfator and the charger and have at it.. If you are
concerned add a a transistor so the desulfator is not working while the
charger is... Be aware that desulfators are electrrically noisy beasts
that can jam reception of radios, tv, etc...

denny

Ernest Christley wrote:
Jim, that was an excellent article in last month's kit plane. I'll be
getting the parts together to build one here shortly.

There was also a nice article in Sport Aviation (for a change), that
actually showed how to build something. In this case a battery desulfator.

The question is, how feasible would it be to combine the two circuits,
making the circuit would go into desulfating mode When the battery is
charged?