In a offset slider crank quick return mechanism, radius of crank length is 250 mm and coupler is 400 mm. If eccentricity is of 50 mm, what is Quick Return Ratio and stroke length (mm) of mechanism?
OA = 250 mm, e = 50 mm, AB = 400 mm
1
1.32, 566.3 mm
2
1.18, 506.7 mm
3
1.1, 478.35 mm
4
1.43, 530.6 mm