Pneumatic Switch

Notes on this design:

• The location of the motor is quite flexible.
• You can use a 8t gear instead of a 24t.
• If it doesn't switch quite right, you might try adjusting:
  • The position of the stop pin on the 40t gear
  • The position of the switch, by adjusting the number of bricks/plates between it and the red bricks.
• Advantages of this design:
  • Uses few parts.
  • Uses no relatively rare parts.
  • Can be built onto any spare beam in your robot (the motor can be placed on the side of the beam instead of the end).
  • Switches rapidly, even on old stiff pneumatic switches.
• If you are concerned about damaging the motor, you could:
  • Replace the 24t gear with a white "clutch" gear.
  • Use the RCX to run the motor at low power for the last part of its travel.