AC2 Crash Log


This my 3rd crash with similar way, dipping.... out of no reason. I am currently flying Y6 AC2 2.0.48. with GPS and Magneto.

My previous 2 crashes was with earlier code. My 2nd crashes happened even after i solder the connection between esc and motor. After the second crash I change most of the esc signal connectors. After that it seems ok till the 4th flight. That is when I crash the third time. I even mount the quad for test previously but nothing happens.

BTW I hv been using Arducopter for a year.

Attached is my flight logs. Hope someone can help me to identify the problem. If possible provide some guide on what to look for so that i can troubleshoot myself in future.

Log: LimAC2_log.zip


Thanks a million

 

Lim
 

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Replies to This Discussion

Permalink Reply by LIM Hun Pheng on November 25, 2011 at 11:55pm

i wonder will it be better to just use the + - terminal on APM. I use that when I first started. Wonder why they don't recommend that.

 

Permalink Reply by LIM Hun Pheng on November 25, 2011 at 11:57pm

I actually is having problem getting to engage the GPS lock (red led) with power from BEC. I use USB to power up and the GPS lock possible.

Seems problem is endless. Not blaming anyone.

Permalink Reply by Arnt-Inge Hansen on November 26, 2011 at 2:58am
Permalink Reply by LIM Hun Pheng on November 26, 2011 at 3:04am

Update: no GPS lock due to redundant power from ESC. Now back to single power source from separate BEC, with all ESC -ve terminal shorted and connect to APM -ve at output channel.

Going for test, wish me luck.

 

Permalink Reply by LIM Hun Pheng on November 27, 2011 at 10:12pm

Update: As per today, no crash. I am glad. The only change i made was to short all negative terminal from ESC and connect it to the APM output channel negative terminal.

Permalink Reply by Arnt-Inge Hansen on November 28, 2011 at 3:55am

Glad to hear it worked for you too, it is a strange ting, since it can be measured that the Ground is hard-wired inside escs.

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