Cam 1 spring 50% Cam 2 offset 120° spring 50% Cam 3 offset 240° spring 50% Combined

Cam 1 —

Cam 2 —

Cam 3 (balance) —

Cam 1

—

Cam 2

—

Cam 3

—

Combined

—

Torque vs rotation angle

Cam 1 Cam 2 Cam 3 Combined

Three rotating eccentric balance cams with independent offset and spring force controls and dynamic torque graph