Ritterhaus Construction with diagram

Ritterhaus Construction:

Let OC be the crank and PC the connecting rod of a reciprocating steam engine as shown in fig:

Let the crank makes an angle θ with the line of stroke PO and rotates with uniform angular velocity ω rad/s in clockwise direction. The Ritterhaus velocity and acceleration diagram as show below:

Ritterhaus Velocity Diagram:

Ritterhaus Acceleration Diagram: