Old 12-29-13, 10:11 AM
  #4  
Looigi
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A gimmick? Perhaps. Seems to me the purpose is for fun and to raise pedaling awareness. As an engineer, I'm making an educated guess that the system was designed to provide some excess power to that needed light the LED ball with moderate pedaling output from the expected pedalers. If designing it, I'd suggest including a battery of sufficient capacity in the system to light the ball for the duration, then store pedal power from revelers ahead of time as a backup or assistance for those pedaling during the actual descent.
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