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Re: [Electronics_101] Small motor searches - looking for sources....

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  • Sorin Paul
    how about the motor from the radiator fan? They are usually 12V, 10A at max rpm, and pretty well built. I have used one of this as a servo some time ago, and
    Message 1 of 3 , Jun 29, 2006
      how about the motor from the radiator fan? They are usually 12V, 10A at max rpm, and pretty well built.
      I have used one of this as a servo some time ago, and it has a lot of torque.
       
      sorin
       
      ----- Original Message -----
      Sent: Thursday, June 29, 2006 6:05 PM
      Subject: RE: [Electronics_101] Small motor searches - looking for sources....

      How about automobile salvage yard – they’d have window motors, if you decide they’d work.


      From: Electronics_101@yahoogroups.com [mailto:Electronics_101@yahoogroups.com] On Behalf Of lcdpublishing
      Sent: Thursday, June 29, 2006 8:02 AM
      To: Electronics_101@yahoogroups.com
      Subject: [Electronics_101] Small motor searches - looking for sources....

      Hi guys,

      The small motor I was planning to use for my spindle drive just
      isn't got enough oomph to drive the spindle cartridge I made. As
      typical of me, I built the spindle a bit "over-kill" and it's a bit
      stiff, but certainly not incorrectly built - just a bit stiff for
      that little toy motor.

      So, now the hunt is on for a replacement motor. I can get some
      automotive power window motors for about $20.00. They are 12 Volt,
      3.5 ~ 12 Amp at stall. They come with a worm-drive type gear box
      but it looks easy enough to pull the motor from that. I would
      suspect these motors to have some pretty good torque and power.

      I have a number of AC motors lying around here that might work. But
      I have no idea how to make an AC motor variable speed like I was
      doing for the DC motors.

      I check a couple of my favorite surplus websites -
      www.surpluscenter. com, AllElectronics, etc. didn't see anything
      there that said "I am the motor you are look for".

      Any suggestions as to where to look or even where I might slavage a
      suitable motor? The motor does have to be small, about 3" diameter,
      4 1/2" long, give or take a bit.

      Any an all suggestions would certainly be appreciated (as always) !!

      Chris

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