Hterag
 lvl.4
Flight distance : 961978 ft
China
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As far as I know, the Mavic only calculates its speed with the GPS. With the Inspire 1 and P4 Pro, it shows the speed in ATTI mode if I switch to it (meaning it still has a GPS lock but isn't using it for positioning, only for location/speed) but not if it lost the GPS signal (like indoors) and had to use ATTI. In fact, switching to ATTI mode is the best way to get the most speed out of the Inspire 1.
There's nothing to stop them using the VPS to calculate speed and give you a rough idea of how fast it's going, there are other drones that do that when indoors or with no GPS. My Rolling Spider has no GPS but it tells me its speed from the downward camera. |
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