Also - the aircraft was recording video when it disconnected, so video of the entire event should be on the SD card, as well as the aircraft DAT with continuous telemetry.
Aircraft disconnected and crashed
- Thread starter rothe22
- Start date
the sd card wasnt in the drone when i found it. I assume it ejected from the drone during the crash. i have the pro+ controller and it must have saved the video locally.
If you want others to look at it, then easiest is to upload it to Dropbox and post the sharing link. Or you can examine it yourself with DatCon or CsvView.
The problem is that nothing was saved locally after the disconnect - only the aircraft has the logs after that. There is nothing in the local DAT that will tell us any more than the txt log that we already have. Shame about the missing SD card.
Edit: disregard - that only applies to the video - the DAT was on the internal SD of course.
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here's a link to the video from just before disconnect.
here's a link to the video from just before disconnect.
OK - it looks like the altimeter was about 30 ft off (too low) towards the end. However, it had descended below the top of the tower by the time it disconnected, and you had throttle down - it was still descending at around 1 m/s. It looks marginal whether it would have descended below the wide section, but hard to tell. Post that DAT file - it will have the full record and we can stop guessing.
Dropbox - DJI_ASSISTANT_EXPORT_FILE_2018-04-11_23-25-16.DAT
Dropbox - DJI_ASSISTANT_EXPORT_FILE_2018-04-11_23-05-24.DAT
not sure which is the correct one
Dropbox - DJI_ASSISTANT_EXPORT_FILE_2018-04-11_23-05-24.DAT
not sure which is the correct one
None of those as far as I can tell. FLY459 was a short flight just before the one in question. The others in that set (460, 462, 463, 464 and 465 do not describe flights). Is there a FLY461?
I think we're fairly safe to draw this conclusion: putting the water tower between me and the aircraft caused it to disconnect. aircraft attempted to return home but obstacle avoidance was either not turned on or not functioning (I believe I had a forward sensor error at take off and the left landing skid on my drone was slightly damaged although the connections in the skids seemed ok) and it crashed into the side of the water tower.
is there a chance that the aircraft killed the motors when my controller disconnected and it dropped like a rock?
is there a chance that the aircraft killed the motors when my controller disconnected and it dropped like a rock?
how about the water tower causing the controller to disconnect? is that normal or did my drone have a damaged antennae or something that caused poor reception?
At that distance, going behind that tower would definitely block the RC to AC signal.
So you guys are all good with flying a few miles outside of los and this crash happens. Fortunately it hit the ground, not the tower or worse! I joined this site just recently and thought by the name phantompilots it might be a good forum. I was wrong you guys aren’t pilots at least not responsible ones!
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