thanx neway, i did some research and i think i will go with wind turbine gear box. It seems pretty straight forward and satisfies my conditions.

B.U bhandari or V.B bhandari? i have machine design by V.B, but it doesnt have what i need. I failed to find an ebook on B.U, could you ple provide...

hey, i have the same problem. i need to design a two stage reduction gear box with a ratio of atleast 10:1. the first stage has to be using helical...