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Planetary Gear Train

  1. Dec 1, 2012 #1
    Guys, I've just come across this question regarding planetary gear train.

    I was asked to find the rpm of a gear within the train. but the solution given doesn't include the carrier speed within the calculations. I was asked to find the rpms to gear 4. The carrier is between 4 and 6.

    What are the reasons that it is so?

    Sorry that I couldn't show you guys the picture.
  2. jcsd
  3. Dec 1, 2012 #2
    dude, what are you asking?
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