6 ms·

I think that one is driving the others (in the first video it looks like the motor is only powering the middle gear)

• mcv 13y ago
  The "Paradoxical Gears Explained" video shows a belt behind the gears. That suggests it's not really the gears driving each other.
  • nkurz 13y ago
    They are driving each other. Although not well explained, the belt is just used to demonstrate how the angles are determined. This is a little clearer (although still hard to follow) if you watch the "Standard Gear Explanation" video first: http://www.youtube.com/watch?feature=player_embedded&v=lWuKl4rG2HA http://www.youtube.com/watch?feature=player_embedded&v=lWuKl...
    • stefantalpalaru 13y ago
      You're right. These 3D printed gears are clearly driving each other: http://www.youtube.com/watch?v=qGAnmRb66s0 http://www.youtube.com/watch?v=qGAnmRb66s0
      • twiceaday 13y ago
        Imagine screwing in a screw. Rotation makes lateral movement. Imagine pushing in a sharp-ended screw into something soft. Lateral movement makes rotation. What I believe is happening here is that one screw is being rotated, generating a lateral force on the other screw, rotating it.