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DIY PIXAR: M-O (Microbe Obliterator) Cleaner Bot

Step 5Motorized Roller

Motorized Roller
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Now it's time to begin working on the motorization arm cleaners!  These rotating arm motors are what allows M-O to carry out his specialized cleaning directive in the film.  Now, these aren't too difficult to build, as long as you have the right parts. 

Begin by taking apart the arms from your M-O toy (if you haven't already). The arms are protected by a plastic faceplate, which should be easily removable, by either using a screwdriver or a tweezer.  Once you remove the arms, you'll notice that there is a thin slot which allows for the arm of the toy to extract in and out.  VERY carefully, extend the slot to the back, but do not cut it all the way (you need to have the clip at the end).

Dremel out the hands until they are completely flat.  This will be the holder for the computer fan motors.

Then, taking your small computer fan, cut it out from the housing so that all is left is the motor and the fan blade.  Then, using your wire cutters, snap/cut off all of the blades from the fan until you are simply left with a round disc. These will serve as the primary "holders" for the scrub brush. 

Once you have completed that, glue the small computer fan motor onto the robot's hands.  Then, drill a small hole from the plastic faceplate and the robot's body, so that the wire from the motor can go through. 

Do this for both arms.

Note: I forgot to mention this, but when taking apart the computer fans make sure you do not lose the ball bearing!  It's really small and very easily lost so be very careful not to loose it!  If you can, you can try gluing it in carefully, but make sure that it still allows enough space for the fan blade- pin to fit.  I actually broke mine this way.
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2 comments
May 31, 2011. 8:59 PMMatrix-technician says:
Could you substitute a cd player spinner motor in place of these fan motors?

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