These 1 x 7 bent beams (blue) hold the ball
in place, but allow it to rotate.
The top of the ball caster (left) is formed by
two axles with an axle joiner in the middle.
The addition of the joiner gives just enough
push so that the robot rolls on the ball, rather
than sliding on the supports.
A ball caster allows the robots to move more
freely. This is jut one example of how you
might create one.
Beyond the Box—A
Содержание Mindstorms Llama
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