Horsepower (\( HPl \)):

\[ HPl = C \cdot \frac{0.48 + 0.01 \cdot L}{100} \]

Where:

• \( HPl \) is the horsepower to drive the belt conveyor on level position, in horsepower (hp).
• \( C \) is the belt capacity, in tons per hour (tph).
• \( L \) is the belt length, in meters (m).