I flew Arduimu today with Ardupilot and Ardushield V2. Since I don't have any GPS module available, I only flew the autopilot in STABILIZE mode. In MANUAL mode everything is trimmed and the plane flies OK.
However, in STABILIZE mode the plane banks couple of degrees to the left (as seen from behind). I mention that I did the entire initialization of the Autopilot/Arduimu on a flat surface according to the manual. Is there an option in the code to fix this non-trim behavior?
One more thing:
During the flight, in STABILIZE mode when I noticed that the plane banks couple of degrees to the left I trimmed it a little bit to the right and everything was OK. However when I switched back to MANUAL mode, the plane would now bank to the right, which is logical since as I said, I started with the plane trimmed very well for the MANUAL mode. The plane basically goes out of trim once I switch to STABILIZE mode. It doesn't go too much out of trim... just couple of degrees of bank to the left...
Best regards!
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Replies
The yaw gyro will drift. With no correction, the AP will think it is turning a little. For example, 1 degree per second right. So the AP will command a turn of 1 degree per second left.