Lego Gearing at-a-glance

This is a bit of an educational item I made using the Lego Mindstorms NXT and lots of gears! It showcases different kinds of geartrains, gears, and systems along with how torque and speed are involved. Annotations are in the video explaining as it goes along. It may have to be paused periodically to read the annotations.

Additional information regarding gearing can be found at the following websites:
http://www.owlnet.rice.edu/~elec201/Book/legos.html
http://en.wikipedia.org/wiki/Gear
http://www.howstuffworks.com/gear.htm

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