A coupler connects two things together. This chapter consists of step-by-step instructions for making a coupler that, in this case, connects the selected gearhead motor’s shaft to a LEGO cross axle. The general nature of this coupler is applicable even if you choose a different motor or a different type of wheel.


Rotary Tool Motor Shaft Flat Portion Cyanoacrylate Adhesive Hardware Store 
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© David Cook 2015

Authors and Affiliations

  • David Cook
    • 1
  1. 1.ILUS

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