LEGO Technic – Pairs of Gears

If you asked yourself at school, why one needs the “Theorem of Pythagoras”, there is an answer here: To calculate how two LEGO Technic gears need to be positioned to make them work a pair.

However, if you don’t like math at all, you can skip that part and simple use the second last page.

LEGO Technic – Pairs of Gears (PDF download)