Instructions:

Simply click START to play the movie with the default values of P1, V1, and V3.

To change values,

1. Move the cursor to the lower left bottom of the graph. Click to set the values of P1 and V1.
2. Check V3 and move the cursor to the graph and set a value for V3. V3 has to be larger than V1.
3. After setting the values, click Start and the engine moves.
4. Click restart to set different values for P1, V1, and V3.

Note: T(hot) = 600K; T(cold)=300K; Cp/Cv=5/3