CCC: the compact chimney climber

Many NXT robots move on wheels, some move on legs, and still others do something while remaining in place. But the Compact Chimney Climber (CCC) that you’ll build in this chapter is different: It moves vertically. This robot climbs between two walls, as if up a chimney, as shown in Figure 15-1. When it reaches the top of the “chimney,” it safely returns to the ground.

NOTE This is the last robot you’ll build—not because it’s the most difficult but because the CCC is the trickiest one to get to work. Beware! If done incorrectly, this robot can damage your LEGO.


Figure 15-1: The Compact Chimney Climber moves vertically ...

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