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Spark flew away (with flight records)
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<blockquote data-quote="SPark_South_Oz" data-source="post: 123758" data-attributes="member: 17032"><p>Ah, that explains the Go4 log then, home point, and later battery level.</p><p></p><p>It's REALLY strange how these yaw errors happen, and pilots don't get a compass error.</p><p>You'd think that would happen, as it's something interfering with that.</p><p>It only has to be very minor though and bam, the flight is doomed usually.</p><p></p><p>I know from the Mavic Pilots forum, the analysts there are superb, way beyond my (not terribly interested / motivated to learn) skills of reading the logs / using the Budwalker CSV viewer that makes the nice graphs with all the info to confirm various issues.</p><p></p><p>Always though with this error, the map red arrow doesn't match the actual true orientation on the ground, which is why checking that when the Go4 lady asks is so important.</p><p>If there is a mismatch, all that's needed usually is moving a short distance away and seeing if the mismatch resolves.</p><p>I would recommend just shutting down between the move, but it might even resolve if the drone is left on (not sure, I've never had this happen in 5 years).</p><p></p><p>I've only ever had one compass warning, and that was when I was launching from a painted roadside rest area table, thought it was timber . . . on inspection it was heavy steel tubing !</p><p>I just moved the drone onto the ground 6 feet away and all good.</p><p></p><p>You don't normally have to do any compass or imu calibrations unless asked.</p><p>I did one when I first got my M1P, the Go4 app asked me to do that, never been asked again, and I have flown it in some different places across Australia, distances with some 3000km (1865 miles) variation in longitude.</p><p></p><p>I've never been asked to compass calibrate for the Spark.</p><p></p><p>I guess it doesn't do any harm to calibrate as you mentioned, just be sure you do the compass where you are sure there are no magnetic anomalies, nearby steel, ground metals like high iron content, underground pipes, reinforcing bar in concrete, even as far as not wearing a wrist watch while doing that.</p><p></p><p>All the best with the M1P for the job, it should manage fine, it's another very good aircraft from DJI, as resilient as the Spark I feel.</p></blockquote><p></p>
[QUOTE="SPark_South_Oz, post: 123758, member: 17032"] Ah, that explains the Go4 log then, home point, and later battery level. It's REALLY strange how these yaw errors happen, and pilots don't get a compass error. You'd think that would happen, as it's something interfering with that. It only has to be very minor though and bam, the flight is doomed usually. I know from the Mavic Pilots forum, the analysts there are superb, way beyond my (not terribly interested / motivated to learn) skills of reading the logs / using the Budwalker CSV viewer that makes the nice graphs with all the info to confirm various issues. Always though with this error, the map red arrow doesn't match the actual true orientation on the ground, which is why checking that when the Go4 lady asks is so important. If there is a mismatch, all that's needed usually is moving a short distance away and seeing if the mismatch resolves. I would recommend just shutting down between the move, but it might even resolve if the drone is left on (not sure, I've never had this happen in 5 years). I've only ever had one compass warning, and that was when I was launching from a painted roadside rest area table, thought it was timber . . . on inspection it was heavy steel tubing ! I just moved the drone onto the ground 6 feet away and all good. You don't normally have to do any compass or imu calibrations unless asked. I did one when I first got my M1P, the Go4 app asked me to do that, never been asked again, and I have flown it in some different places across Australia, distances with some 3000km (1865 miles) variation in longitude. I've never been asked to compass calibrate for the Spark. I guess it doesn't do any harm to calibrate as you mentioned, just be sure you do the compass where you are sure there are no magnetic anomalies, nearby steel, ground metals like high iron content, underground pipes, reinforcing bar in concrete, even as far as not wearing a wrist watch while doing that. All the best with the M1P for the job, it should manage fine, it's another very good aircraft from DJI, as resilient as the Spark I feel. [/QUOTE]
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Spark flew away (with flight records)