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> WOT: looking for a model/minature generator ..., anybody got any info?
SirAndy
post Jan 16 2008, 04:03 PM
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QUOTE(davep @ Jan 16 2008, 01:56 PM) *

QUOTE(SirAndy @ Jan 16 2008, 12:40 AM) *

why does it matter what drives the alternator ??? (IMG:style_emoticons/default/confused24.gif)

There are many ways to generate electricity, and an alternator is just one.
Thermoelectric is one that I am working on.
The S660 as mentioned might be a good method, but at $100 for 4 watts capacity it is not exactly cheap. If you need 16 watts, that is $400 (maybe less) plus lots of fabrication. They don't say what the maximum capacity of the controller is.


i see what you meant. well, i can't really say too much about the project (patent pending and i signed a NDA) ...

but, there is a moving (rotating) part from a motor of sorts, so i thought a small model generator would be the best/easiest to get a steady current produced.

i think i will try to use some model electric motors like mentioned above. the lego wheels motor looks intriguing ...
(IMG:style_emoticons/default/idea.gif) Andy
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davep
post Jan 16 2008, 04:08 PM
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Use a permanent magnet motor and watch the RPMs. You will need a load that is about the same as your actual load for testing. Lots of black magic involved.
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Spoke
post Jan 16 2008, 05:10 PM
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Is the 2-3 amps a startup or intermittent current or steady state current?
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cooltimes
post Jan 16 2008, 06:16 PM
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Edmonds Scientific:
http://scientificsonline.com/product.asp?p...hcd2=1200528427
or just go to any online robitics supplies and find an engine/generator.
Probably many being sold on Ebay.

Cooley
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