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G Forces in a loop

  1. Dec 1, 2016 #1
    1. The problem statement, all variables and given/known data
    In my AP Physics class we need to design a loop that pulls around 4 G's. From what I understand, the diameter of the loop must be 2/5 times the initial drop. I cannot seems to get the G forces around 4. Any help? I found that the Clothoid loop reduces G forces but I can't figure out the calculations. We can assume the initial drop is .305 meters. This drop yields a velocity at the bottom of the drop of 2.445 m/s.
     
  2. jcsd
  3. Dec 1, 2016 #2

    haruspex

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    At maximum, minimum or average?
    No, I believe it minimises jerk, which is the rate of change of acceleration.
     
  4. Dec 2, 2016 #3
    Well the maximum G force is 4
     
  5. Dec 2, 2016 #4

    haruspex

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    So how strong is the centripetal/centrifugal force?
     
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