Malcolm MacKenzie Dramatic Baritone
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How do you make a Droid go?  Well with motors of course!  In my case, used electric scooter motors, including one out of my daughters' old Razor scooter.  While I didn't purchase them, Frank offers a styrene 4WD scooter drive for the club.  While interesting, I wanted something simpler and I wanted to integrate a newly available omni wheel that Vex Robotics had released.  Most Droid drives made during this period used casters in the back, but I needed the stability of two full sized wheels for my 2-3-2 to operate correctly, so I decided to create my own drive based vaguely on Frank's design.  The first version was built in plastic. 
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I used these drives with a few adjustments in gear ratio for almost 3 years.  
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Recently, due to R2's increased weight, I redesigned the drives and this time built them from aluminum.
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​The new drives are much stronger and have drive wheels that are twice as wide.
  
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