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Dave made this informative video on how to attach a “Weed Eater” [string trimmer] motor to a bicycle. Used bicycles and string trimmers are easy to find and very cheap to buy. You could make this project for less than $100, maybe even less than $50. The information on modifying the clutch could be very useful in making robots too!

How To: Build a Weed Eater motorized bicycle

Marc de Vinck

I’m currently working full time as the Dexter F. Baker Professor of Practice in Creativity in the Masters of Engineering in Technical Entrepreneurship Program at Lehigh University. I’m also an avid product designer, kit maker, author, father, tinkerer, and member of the MAKE Technical Advisory board.

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