Page 279 - LEGO MINDSTORMS - Robotics Invention System-2 Projects
P. 279
Robot 9 • The SpinnerBot
Arm Pivot Step 1
Slide the gear up the
axle until it sits snugly
between the two half-
length bushings.
Arm Pivot Step 2
Leave a one-
stud gap between
the 24t crown gear
and the first six-stud
TECHNIC beam.
Arm Pivot Step 3
The three-
quarter-length pin
serves as a stop to
limit how far the
arm can lift. Later, you
will attach the vertical piece to
the main Drive Mechanism in order
to provide reinforcement.
265