In standard gearing, the axes of the different gears are fixed, the movement on the gears currently being only rotations with regards to their axes. In epicyclic gearing, at least 1 equipment don't just rotates, about its own axis but also rotates bodily about some other axis. Its stealthy https://gearbox37935.bloggosite.com/40682882/the-2-minute-rule-for-gearbox