For the quick return mechanism shown in Fig.2, the forward to return ratio is 2:1. If the radius of the crank OP is 125 mm, solve for the distance d (in mm) between the crank centre to the slotted lever pivot link centre. YA Figure 1 0 Figure 2 For the quick return mechanism shown in Fig.2, the forward to return ratio is 2:1. If the radius of the crank OP is 125 mm, solve for the distance d (in mm) between the crank centre to the slotted lever pivot link centre. YA Figure 1 0 Figure 2