Page 110 - LEGO MINDSTORMS - Robotics Invention System-2 Projects

230_RIS_03.qxd 10/9/02 8:46 AM Page 96

Robot 3 • Missile Turret

Full Turret Step 16
Slide the touch sensor onto the axle and
secure it with the two bushings. Let the
touch sensor hang freely.

Inventing…
Touch Sensor Placement

The touch sensor here will be pressed when the hammer is fully cocked,
just before it is about to fire. You can use this in your programs to pre-
wind the hammer so that your turret will be prepared for a target and
can fire right away!

Full Turret Step 17

Secure the axle on which the
touch sensor hangs with the
TECHNIC brick and a bushing.

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