S18 is a synchro drive. The design is definitely not new, but openly inspired to the ones by Doug Carlson and Wes Matchett. Probably the most original contribution in this robot is its single-sensor rotating bumper: six antennas that rotate when they hit an obstacle. The motion of the antennas is multiplied to a rotation sensor monitored by the RCX.
This robot attended a game called "interactions" during the Italian Legofest on Nov. 28 1999.
Here the rotative bumper has been removed. The light brick is just decorative.
Top view (RCX removed).
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