How does adding payload weight to a multirotor drone primarily affect its performance?
AIncreases flight time by adding aerodynamic stability
BReduces flight time, increases motor current draw, and decreases maneuverability✓ Correct answer
CHas no significant effect if the payload is within the manufacturer's rated capacity
Why →Adding payload increases total aircraft weight. Motors must work harder (higher RPM/current) to maintain altitude, which directly reduces battery endurance. The additional weight also reduces the excess thrust available for rapid corrections and aggressive maneuvers.
The trap →Staying within "rated capacity" prevents overload failure, but it does not eliminate the performance cost: heavier always means more power.
Field note →A practical rule: every 10% increase in total weight costs roughly 5-10% endurance on a typical multirotor. Always plan your battery requirement based on maximum payload weight, not empty-aircraft specs.
SOURCE → FAA Remote Pilot Study Guide, Loading and PerformanceCHECKED JUL 16ACS IV.A.K2MEDreport an issue