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Computing train value of planetary gear

  1. Dec 10, 2012 #1
    2. Relevant equations
    e=(product of number of driving teeth)/(product of number of driven teeth)

    e=(n[itex]_{out}[/itex]-n[itex]_{arm}[/itex])/(n[itex]_{in}[/itex]-n[itex]_{arm}[/itex])


    3. The attempt at a solution
    e=(N[itex]_{p1}[/itex]/N[itex]_{s1}[/itex])*(N[itex]_{s2}[/itex]/N[itex]_{p2}[/itex])
    e=1.25926

    e should be 0.7941 however

    From there out it seems pretty trivial. I just need to get the right e value.
     
  2. jcsd
  3. Dec 10, 2012 #2
    Problem statement
     

    Attached Files:

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