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LEGO Technic Self-locking differential using pneumatic actuator to engage the lock (a rubberband disengage...

LEGO Technic Omni drive / Synchro drive

Building instructions and parts list at: http://www.brickshelf.com/c...

3 degrees of freedom

1 PF motor used to actuate the pneumatic valve

Grabber uses 4 pneumatic cylinders

Pieces needed:

52 x Axle and Pin Connector Perpendicular Double (#32291)

12 x Axle 2L (#3704)

16 x Axle 3L (#4519)

4 x Axle 4L (#3705)

16 x Pin wit...