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Compass calibration. inclination and circling in loiter

Posted by Gerrit Jan Baarda on January 14, 2012 at 8:50am

Hi,

My quad (stock GAUI 330 + arducopter 2.1.0 from APM) is circling in loiter mode. From what I read in this forum and the wiki this may me caused by a wrong compass inclination.

If I take my copter outside with mission plannner  connected and wait for GPS lock, I can see that if I place my copter facing parallel to the road I live next to, the copter symbol on the mission planner is not pointing in the same direction as the pictures from google. It is about 5-10 degrees off.

Would it be right to assume that if I change the inclination value so that the copter symbol is pointing parallel to the road in google that I have set the right inclination? 

Yours,

Gerrit Jan

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Replies

  • Developer
    Jason Short January 14, 2012 at 10:23am

    Sound right. It's the declination BTW. Try and compensate by entering a new declination in the cli. +-  5to10° until you get good alignment.

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