AXLE AT WHEEL AXLE AT WHEEL
CENTER STAY AT CENTER STAY AT
HEIGHT FROMHEIGHT FROM
THE GROUNDTHE GROUND
THE RUBBER BANDTHE RUBBER BAND
GIVES IT FRICTIONGIVES IT FRICTION
FRICTION = TRACTIONFRICTION = TRACTION
PIN HOLES IN GEAR FOLLOWS A SINUSOIDAL PATHPIN HOLES IN GEAR FOLLOWS A SINUSOIDAL PATH
GROUNDGROUND
The frictionless pins
move in a circular motion
around the axle. This up-down
and side-side movement
creates the stepping motion.
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