Velocity ratio in wheel and differential axle is given by
(Where D = diameter of effort wheel A. d2 = diameter of the axle B and d1 = diameter of the axle C.)
1
\(\rm \frac{2D}{d_1 - d_2}\)
2
\(\rm \frac{2D}{d_2 + d_1}\)
3
\(\rm \frac{d_2 - d_1}{2D}\)
4
\(\rm \frac{d_2 + d_1}{2D}\)