What existing technology provided the structural basis for the frame and wheels of the Quadricycle?
Answer
Bicycle components
To build the Quadricycle efficiently and affordably, Ford utilized components sourced from bicycles. This included the frame structure, the running gear, and the four light wheels. This pragmatic approach allowed him to avoid inventing every part from scratch and helped him understand the value of standardizing parts, a lesson he later applied to his industrial manufacturing.

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History of Henry Ford's Quadricycle - YouTube
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