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  1. jgatlin

    Calculating Simpson Compound Planetary Ratio

    Thank you for the fax. Some of the text in the equations is very hard to read so I have ordered the book and should receive it in a few days. I am having difficulty in calculating the speed of the sun gear speed out of the front planetary. Power is applied to the front ring gear and the carrier...
  2. jgatlin

    If I want a Powerglide without reverse,

    If you do not want reverse you can definitely remove the ring gear and use the planetary for first and second only. The ring gear only drops in and is not used to retain proper end play.
  3. jgatlin

    Calculating Simpson Compound Planetary Ratio

    There are a few parts of the equation that I do not understand. Please fax me a copy to 954-916-8990. Both planetary are the same tooth counts. 66 Ring gear and 34 tooth sun gear. Thank you for the quick reply.
  4. jgatlin

    Calculating Simpson Compound Planetary Ratio

    I am trying to calculate the first gear ratio of a compound Simpson gear set. Power is transmitted thru the front planetary ring gear (66 tooth). The output shaft is splined to the rear planetary ring gear (66 tooth) and the front planetary carrier. The sun gear is common (34 Tooth on each end)...
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