A Journal of Applied Mechanics and Mathematics, by Dr.D, #56
Planetary Gear Challenge Solution
If you have read the comments following the original Challenge posting, you are aware that Mr. Sundaram Ramchandrand has posted work that answers part of the questions asked. I agree with his numerical results, but I remain unconvinced by his analysis. He is to be congratulated on his good results here.
Please see the PDF attachment for my full solution.