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Ok after a loooong time not being active on this page I figured that I had to post another NXT robot. Ok, this is my first robot with a differential, so don't complain over the strain you can see in the pictures. Alot of strain here!! I will try to post a video here soon.
This is a companion discussion topic for the original entry at https://community.robotshop.com/index.php/robots/show/differential-nxt-robot