(URL) Simpson planetary gear set>> My lugnet pages contain now new planetary gears and gear sets and self-made differentials. There are also equations which help to calculate the ratios of planetary gears and gear sets and two methods how to (...) (9 years ago, 8-Dec-15, to lugnet.technic, FTX) !
I have updated my pages after I posted first message. So search text NEW in table of contents to find latest stuff. (...) Ari Holopainen (9 years ago, 11-Feb-16, to lugnet.technic, FTX)