The lengths of the links of slider-crank linkage ABC comply with the conditions: B͞C=1.42A͞B, B͞D=1.67A͞B, D͞C=3A͞B, a=0.58A͞B and d=1.08A͞B When crank 1 turns about fixed axis A, point D of connecting rod 2 describes a path of which a certain portion approximates straight line q-q, passing through point E. Point E lies on axis b-b of motion of slider 3.
$1549$SC,GI$