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Bobby J. Hughes wrote:
Ernest,
What is the other box upstream of the large heat sink? I assumed it was
a controller / regulator. Looks like it goes in the dash / panel. Also
they make several current ranges. (Can't find them on the new site) But
I know I read about a 22A and 32A unit in the past. Not sure if it is
possible on the shaft but John did say they where stackable on the water
pump unit. Would that require two belts?
It looked like a battery to me, but your guess is as good as mine.
The organization here is that the coil pack is bolted down to something. The coil is nothing more than a wire wrapped around and around. You then fit a can over the top of it, and magnets line the inside of the can. Spin the can (by a belt or by bolting the can to the end of your shaft) and the magnets pushe electrons through the coil. Pull a lead off of each end of the coil, and you can use the herded electrons to do useful work. That's mighty thin wire in them thar coils, so to get a useful amount of current they...you guessed it...stack coils and tie all the leads together at the output. In the coil pack pictured, they are stacked side by side instead of one atop the other, but same difference. The only limitation is that the magnets have to get close enough to have an effect on the electrons in the wire. Double the coils and you double the current.
The hard part is how much current do you get for what voltage at what RPM? When I asked this question of several people, I was given a choice:
1) Guess. Test. Repeat.
2) Buy a product that is rated for your requirements.
You can build one of these units yourself in an afternoon. Cut the end off a heavy duty oil filter and throw away the innards. By some neodyium (sp?) magnets off the net (they're cheap surplus), or pull them out of some old computer harddrives (I have a couple on hand 8*). Glue the magnets to the inside of the can. Orientation of the magnets matter, and I can't tell you what it is offhand. A quick internet search will yield lots of people who can, though. Wrap some wire around a suitably sized ring of non-conductive something. Bolt the ring down to a bulkhead with a shaft jutting through and bolt the can to the end of the shaft so that it covers the ring. Ooops! Day it is! You're very own generator.
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