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How can i power this unidentifiable motor? Answered

I have a motor that has no markings on it outside except for the letters DMEGC, which I understand to be a Chinese company that produces motor housings among other things. I think that it came off of an electric scooter, but I'm not even sure about that. The person who gave it to me only knew that it was a DC motor from somwhere.

It's about three inches deep and the diameter is probably about 4".  It has two wires coming out of it.

My question is: What should I use to power this thing? I don't want to waste a bunch of money on it. How risky is it to just test out AC-DC adapters on it? I've got a plug here I wouldn't mind wasting if it will work that outputs 12VDC 500mA.

Sorry, I'm a real beginner with electronics and I'm probably asking really dumb questions, but if someone could help me out, I'd be really grateful.

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Kiteman
Kiteman

Best Answer 7 years ago

Start basic - connect a small cell to the wires (just hold it in place), and see whsg happens. Swap the cell around as well, in case the motor only turns one way.

(In future, questions like this are easier to answer if there's a photo or two of the subject.)

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jemtan990
jemtan990

Answer 7 years ago

Thanks to everyone who answered! I think I just needed the permission to fool around with it for some reason. The motor definitely takes 12v no problem. I set it up in a circuit with my Arduino to change the speed. Now I have another problem: when I try to spin it slowly, it doesn't want to start up. I can hear sounds coming from inside, but I have to send a really high signal with a slight delay before sending the low signal to get it to move at all. Am I not using enough current? How can I boost that?

(Also, sorry about the lack of pictures thus far. Whenever I find time to post on here, I'm in a position where I can't take pictures. I'll add some asap)

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iceng
iceng

7 years ago

Tie the motor so it cant spin and roll and do bad stuff preferably on the ground.

I would use a battery jumper cable clip to the car battery. First clip a bare metal care frame and then a motor wire. Second clip to the battery plus and just slap the other motor wire to see what the motor does.

If it turned try a longer touch each time.

If after running a while and the motor doesn't get smoky hot it is at least 12 VDC.

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rickharris
rickharris

7 years ago

Most scooters are 24 volts running off 2 small lead acid batteries.

It's most likely around 80 to 100 watts at 24 volts so will draw around 4 amps. Try on 12 volts first and see what happens.

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steveastrouk
steveastrouk

7 years ago

It'll SPIN on a small powersupply, but to find out how powerful it is, you'll probably need a 10A supply. Its not a spectacularly powerful motor, but it should be fairly torquey, given those dimensions.