APC Multirotor Propeller Pitch: Why 9×4.5 Works Better Than 9×6 for Hovering
Short Answer: Use About Half-Square Pitch for Hovering For a multirotor that spends much of its time hovering, a propeller with pitch around half its diameter—such as 9×4.5—generally produces better static thrust than a 9×6. If the power system...Understanding Flush Aircraft Riveting