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Old 02-29-2008, 07:15 AM #1
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Default motor from harvested DVD drives

Hi guys,

Since a lot of us are now harvesting LDs from working DVD drives, I'd just thought I'd share this. I used to be involved in R/C planes and nowadays the trend is to mod the brushless outrunner motors (harvested from CD/DVD drives) to power our planes So the next time you harvest a laser diode from the drive it might be worth posting your leftover brushless outrunner motor for sale on some R/C forum

Cheers.


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Old 02-29-2008, 04:03 PM #2
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Default Re: motor from harvested DVD drives

Thanks for sharing, that would give an even more meaningful life to the scarified DVD burners. ;D
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Old 02-29-2008, 04:20 PM #3
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Default Re: motor from harvested DVD drives

Which motor is that? The one spinning the disc or ejecting the drive?
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Old 02-29-2008, 07:46 PM #4
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Default Re: motor from harvested DVD drives

The one spinning the disk.
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Old 02-29-2008, 07:52 PM #5
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Default Re: motor from harvested DVD drives

Quote:
Originally Posted by chido
The one spinning the disk.
I figured. If I rip drives apart you can have them provided you pay shipping.
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Old 02-29-2008, 08:04 PM #6
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Default Re: motor from harvested DVD drives

What does it take to power them?
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Old 02-29-2008, 08:08 PM #7
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Default Re: motor from harvested DVD drives

Quote:
Originally Posted by roSSco
What does it take to power them?
A battery ;D
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Old 02-29-2008, 08:15 PM #8
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Default Re: motor from harvested DVD drives

Quote:
Originally Posted by roSSco
What does it take to power them?
Well, it depends on what kind of plane you want to make. But the most popular choice is Lipo batteries, as they last longer, they're lighter, and give you longer flight times.
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Old 02-29-2008, 08:16 PM #9
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Default Re: motor from harvested DVD drives

most optical drives don't have the driverboard on the pcb for the motor - it would need a driver to make it work
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Old 02-29-2008, 08:17 PM #10
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Default Re: motor from harvested DVD drives

Quote:
Originally Posted by MarioMaster
most optical drives don't have the driverboard on the pcb for the motor - it would need a driver to make it work
That gets solved by buying an ESC, Electronic Speed Controller.
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Old 02-29-2008, 08:20 PM #11
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Default Re: motor from harvested DVD drives

BTW, I think this should've been posted in the "other" section. C0ld, if you see this, please move it over there. Thank you.
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Old 02-29-2008, 09:34 PM #12
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Default Re: motor from harvested DVD drives

I'm so glad you posted this. I was thinking about this very thing this morning. You'll need a sensor-less speed control for a brushless motor.
How many R/C guys have laser head assemblies laying in their junk piles? 8-)
Don't forget all the optics and screws as well, I'll never need to buy small screws again. I've also noticed that old hard drives are basically just polished metal mirrors mounted on a brushless motor. Lots of possibilities there.
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Old 02-29-2008, 09:43 PM #13
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Default Re: motor from harvested DVD drives

ok so the ESC takes care of all the pulses to the coils? sounds good then
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Old 03-03-2008, 02:16 PM #14
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Default Re: motor from harvested DVD drives

http://www.laserpointerforums.com/fo...num=1204486840
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