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Help needed with Hyde Generator

Started by Steven Dufresne, February 09, 2009, 12:35:37 PM

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Steven Dufresne

#5
February 09, 2009, 07:18:50 PM
@Paul,
At your suggestion I added jewelry to my search criteria and found a bench grinder that goes up to 4000 RPM. Still too slow but faster than any other so far.

@Steven (Nali2001),
I've started looking into this combination, variable frequency drive plus motor. That's a new one for me so if anyone has any tips re variable frequency drives, I'd like to hear them. Most of the ones on ebay are 3-phase but a few are single.
Thanks guys,
Steve
http://rimstar.org   http://wsminfo.org
He who smiles at lofty schemes, stems the tied of broken dreams. - Roger Hodgson

Liberty

#6
February 09, 2009, 07:46:28 PM
A router motor (wood cutting power tool) is capable of 6000 rpm and more.  They commonly run 10000 rpm.
Liberty

"Converting Magnetic Force Into Motion"
Liberty Permanent Magnet Motor

Nali2001

#7
February 09, 2009, 08:04:37 PM
I don't know your electronics skills, but what you could do is take one of these dc 12v to ac 120/230v invertershttp://www.dcacpowerinverters.com/12_volt_power_inverters.html and hack them, they are fixed to 50/60 hz, but hack in a pot and you should have a adjustable range. Just be careful, if you lower the frequency to fast down when the motor is spinning, you could get into the situation where you dial the frequency down faster than the motor can rev down. And if so the motor will drive power back into the inverter and possibly waste the inverter.

Regards,
Steven

Steven Dufresne

#8
February 10, 2009, 10:06:32 AM
@Liberty,
Thanks but finding a motor that rotates over 6000 RPM is not not the problem. Finding one that fast that also has the shaft coming out both sides is what seems hard to do.

@Steven,
Thanks. I'll keep the hack in mind in case I can't find a suitable variable frequency drive.
-Steve
http://rimstar.org   http://wsminfo.org
He who smiles at lofty schemes, stems the tied of broken dreams. - Roger Hodgson
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