Robot Maxamilian Head & Shoulders.  The head is attached to the
shoulders assembly.  Earlier pictures of these shoulders were upside
down.  This orientation was chosen as it emphasizes the individual
shoulders more while reducing the neck distance.  Both shoulders are
motorized and the right upper arm is motorized.  The head spins on
the vertically-mounted bike hub, although a motor is not yet attached there.
tolerances for the neck hub are very tight: the shoulder servos actually
protrude inside the neck hub flanges.

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