Charles Adams
First Officer
Flight distance : 3821312 ft
United States
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Calibration is not required before every flight, and many on these forums strongly discourage doing calibration so frequently. I think the main concern/point is that calibration really must occur in a controlled environment, where the spark (in it's various orientations) will be perfectly level, with minimal movement.
Did you have "some" control of the craft? And what I mean by that is that did the craft respond to the sticks, just not in a way you expected? You may have taken off before you had gps lock. In such instances, it is in atti mode. Nature owns the craft in atti mode, and the pilot must counter natural conditions to control the craft. If the wind is pushing north, the craft will drift north unless the pilot actively controls the craft against this north push. If the winds are swirling, that adds to the challenge.
The other possibility is that you took off when there were compass problems (and typically the app will warn you about that). That's just bad circumstances period. Without compass, behavior will be highly unpredictable.
Do you recall if you received compass warnings? Even if you calibrated the compass in a controlled environment, the launch environment can (and will) have a huge impact on craft performance. If, for example, you were taking off from pavement that includes rebar, that will jack with your compass. The spark is definitely sensitive tot he presence of magnetic interference.
Fortunately, the app warns you about these circumstances. And my advice (from personal experience) is to not ignore these warnings. Best to try and figure out an alternative launch point.
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