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cirvin
Nobel Prize Winner

USA
1542 Posts
Posted - Dec 31 2003 :  7:16:33 PM  Show Profile  Send cirvin an AOL message  Reply with Quote
I got this broken food processor in th trash. It has a nice AC motor in it that looks pretty powrfull. I think it would good on a small bike or a scooter.
Can you modify the motor itself to run on dc?




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Aaron Cake
Administrator

Canada
6718 Posts
Posted - Jan 01 2004 :  10:44:00 AM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
If it is a brush motor, then it will run on DC just fine. If it is an induction motor, you will need to build a variable frequency inverter. Most likely it is a brush motor. Connect it to a low voltage DC (12V or so, current limited) and it should turn.
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cirvin
Nobel Prize Winner

USA
1542 Posts
Posted - Jan 01 2004 :  11:30:29 AM  Show Profile  Send cirvin an AOL message  Reply with Quote
I tried that and I only got a minute amount of light twitching, but I bet the supply I was using couldn't supply the amperage.

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Aaron Cake
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Canada
6718 Posts
Posted - Jan 02 2004 :  1:29:14 PM  Show Profile  Visit Aaron Cake's Homepage  Send Aaron Cake an ICQ Message  Send Aaron Cake a Yahoo! Message  Reply with Quote
At 12V it should just barely creep over, but you will need a few amps to do it. Might have to increase to 24V if the motor is cheap.

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cirvin
Nobel Prize Winner

USA
1542 Posts
Posted - Jan 02 2004 :  2:10:43 PM  Show Profile  Send cirvin an AOL message  Reply with Quote
Nice. I bet he couldn't get speed because he was using spindle drive.

Yea, I was using a wimply ass supply. Ill wire up a tractor battery and see what I can get.

Edited by - cirvin on Jan 02 2004 2:11:51 PM
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