3D Robotics X8-M - Manual (Page 14)

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Set Altitude
Recommended altitude: 60 m
Operating altitude: 50-100 m
Increasing altitude decreases flight time, allowing you to
cover more area per minute. Decreasing altitude improves
ground resolution. Set the altitude to get the best ground
resolution while keeping the flight time under 14 min and
the altitude under 120 m.
Keep altitude below 120 m, and ensure that the altitude is
appropriate for your flying area and local regulations.
!
Check Flight Time
Flight Time estimates the duration of the mission. The total
estimated flight time must be under 14 min for a fully
charged X8 battery. To decrease flight time, increase
altitude or speed.
High winds, humidity, high altitude, and extreme heat can
affect power consumption and reduce flight time. Consider
the environmental factors at your site when configuring
flight time.
In this example, we increased speed to 8 m/s to keep
flight time below 14 min while allowing for moderate wind
conditions. When increasing speed, keep in mind that the
increased power required to travel faster will impact flight
time.
Check Ground Resolution
Ground Resolution is the centimeters per pixel that
you will have in the map and corresponds to the
amount of detail that you will see.
To improve ground resolution by decreasing the
number of centimeters per pixel, decrease altitude.
Configure Survey: Set Altitude
Mission Planner: Survey Tool