Page 227 - Lego Mindstorms

Robot 8 • The ULK (Useful LEGO Knowledge)

Arm Step 8

Arm Step 9

The #4
axles make
ULK’s fingers
just a little too
long. They scrape
the tires on the
ground when ULK
reaches down to pick
something up. Because #3
axles are a little too short and
cause ULK to drop things, ULK uses the
longer axles, but positions the grabbers about a
half-stud away from the end of the axle.

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