Changing impeller size to increase hp?

Changing the impeller size in a pump or turbine can alter the hydraulic performance and increase horsepower (hp) output. A larger impeller typically allows for greater fluid flow and pressure, resulting in increased horsepower. However, this change can also affect efficiency and may require adjustments in motor size or system design to handle the increased load and potential cavitation issues. It's essential to consider the specific application and system characteristics when making such modifications.