How to Build the Perfect Yo-Yo for a 30m Jump

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The discussion centers around designing an effective yo-yo for a competition that emphasizes energy retention and bounce height. Key considerations include minimizing energy loss through friction, optimizing the yo-yo's geometry for maximum angular momentum, and the potential use of ball bearings to reduce friction. Participants suggest using a spoked hub design to increase moment of inertia and exploring the addition of a spring mechanism to recover kinetic energy at the bottom of the drop. The conversation also highlights the importance of balancing linear and angular momentum to achieve the highest possible bounce.
  • #31
Great for low friction and it might allow a small enough spindle to eliminate a significant jerk problem.
 

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