How to make a chemical machine gun in mc (Recquire TMI mod)

1.make a 2 block high tower

2.put a dispenser on the tower

3.put 64 splash potion inside the dispenser

4.make a staircase behind the 2 block tower

5.make a rapid engine on the back of the staircase

6.connect the rapid engine to the dispenser

WELL I GUESS ITS TIME FOR A CHEMICAL WARFARE... JERONIMO!!!!!!!!!!