0.5 to 0.65

0.65 to 0.75

0.75 to 0.85

0.85 to 0.90

Two jets

Two runners

Four jets

Four runners

Double

Three times

Four times

five times

equal to

1.2 times

1.8 times

double

Diameter of jet to the diameter of Pelton wheel

Velocity of jet to the velocity of Pelton wheel

Diameter of Pelton wheel to the diameter of jet

Velocity of Pelton wheel to the velocity of jet