The lengths of the links of slider-crank linkage ABC comply with the conditions: B͞C=3.5A͞B, C͞D=4.2A͞B, B͞D=5.1A͞B, b=5.43A͞B and a=2.49A͞B. 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 x-x of motion of slider 3.
$1546$SC,GI$