Given 2 waterwheels of the same overall dimension (only 1 blade shown but will have 16).
The 1[SUP]st[/SUP] a normal centre axis, the 2[SUP]nd[/SUP] rolling on 2 pairs of rollers. What would the speed and torque be at each of the 4 orbital wheels be. All are driven by gear wheels. The 1[SUP]st[/SUP] is driven by the centre axle, the 2[SUP]nd[/SUP] an external gear attached to to the wheel face.