Anybody tried a chain driven generator?

Your link did not work but I have heard that some of those bicycling generators don't last long. And I remember as kid I had a couple and they did not work very well.

But, I thought about using the racing alternators that we use in our race cars. That's as far as I have gotten is just thinking about them. They are pretty small.
 

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I'd love to find a charging system for these little engines. For just running lights may only need 20 amps. Most on autos are for 60-100+ amps.and are heavy. Most small engines I've found have stators and rotors built in internally like motorscooters and motorcycles. I've looked for a small external alt. to chain drive to no avail. An automotive alternator also must spin a 2-3k rpm for peak output.
Any ideas?
 
I know a few of us are working on a solution. I'm doing it slowly, and I know Creative Engineering is as well, but I don't know what kind of progress he's made.
 
Here's an alternator for a 50cc MODEL AIRPLANE engine. If it's for a small battery like a power wheels battery you find at the Wal marts next to the bicycles that should do quite well!

Alternator / Generator on a 50cc Gas engine.

It's rather small enough that you can almost use a rubber band!
But it really should be enough maybe?
 

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