An overloaded multirotor that does manage to lift off will most likely show which behavior?

• A.Normal climb with shorter radio range
• B.Faster climb because the motors are already at high power
• C.Sluggish climb, reduced control margin, and rapid battery drain

Why

Near or beyond its lift capability, the aircraft has little excess thrust left for climbing or maneuvering. Motors run near maximum, which drains the battery quickly and leaves little margin for gusts.

Source: FAA-G-8082-22 Ch. 4 · ACS knowledge area: sUAS Loading and Performance · From the Loading, Performance & Airport Operations practice bank (PER-013).

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More Overloaded takeoff behavior questions

• What happens to a multirotor sUAS as its total takeoff weight increases?
• Adding a heavier payload to an sUAS will most directly cause which effect?
• Why must the center of gravity (CG) remain within the limits set by the manufacturer?
• Before takeoff, how should a payload or attached equipment be secured?
• Under Part 107, what is the maximum allowable takeoff weight for an sUAS, including everything attached?