Hello,

Yesterday I had a crash, my Quadro falls down from 600 meters. :(

I fly with this copter many hours, never any Problem.

 

Spektrum DX8 with Satelite

UBec for APM

APM 2.0 Firmware 2.7.3

uBlox LEA-6

 

 

 

I analyzed the log file and see I had signale lose (throttle failsafe was enabled) and the APM2 turn on the RTL Mode, but after few seconds Turn Off the Motors? Why?

 

Maybee a Bug?

 

 

 

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:(

Looks still good for a 600m Crash? ;)

I suppose it could be worse...

 

did you wreck the motors or are they still good?

hi, u didnt even break an arm , thats impressive

Hi Silvio,

It looks like the APM rebooted.

There's 5 minutes missing from the GPS log, plus a lot of stuff that looks like a re-boot, right during your crash.

It would be good if you could turn on your motors for logging, it's easier to see what's going on.

Here's the area of your log where the reboot happens.  Notice the GPS time:

It changes from 576934400 to 577243000, which is in milliseconds from 00:00:00, Universal Time.

There is a lot of reboot stuff between these two GPS readings.

Dan Gray

GPS, 576934200, 9, 46.3116441, 7.7718227, 601.8300, 1214.1400, 329, 11325
NTUN, 6969, 293, 0, 0, -75, -850, 271, -114, 0, 0
CTUN, 0, 0, -5356, -5401, -1, 6, -19, 509, 0, 0
ATT, 0, -432, -1112, -599, 0, 23755, 24046, 0, 0
CTUN, 0, 0, -5358, -5401, 0, 3, -20, 507, 0, 0
ATT, 0, 322, -1112, -184, 0, 23674, 24046, 0, 0
GPS, 576934400, 9, 46.3116419, 7.7718306, 601.7800, 1214.1400, 323, 11249
NTUN, 7024, 293, 0, 0, -75, -850, 271, -109, 0, 0
CTUN, 0, 0, -5360, -5401, 1, 1, -20, 506, 0, 0
ATT, 0, -766, -1112, -193, 0, 23731, 24046, 0, 0
MOD:STABILIZE, 503
PM, 0, 0, 0, 61
MOD:STABILIZE, 503
MOD:STABILIZE, 503
PM, 0, 0, 0, 60
MOD:STABILIZE, 503
PM, 0, 0, 0, 59
PM, 0, 0, 0, 58
PM, 0, 0, 0, 60
PM, 0, 0, 0, 61
PM, 0, 0, 0, 60
PM, 0, 0, 0, 61
PM, 0, 0, 0, 60
PM, 0, 0, 0, 60
PM, 0, 0, 0, 60
PM, 0, 0, 0, 60
PM, 0, 0, 0, 61
PM, 0, 0, 0, 60
PM, 0, 0, 0, 60
PM, 0, 0, 0, 60
PM, 0, 0, 0, 61
PM, 0, 0, 0, 60
PM, 0, 0, 0, 60
PM, 0, 0, 0, 60
MOD:STABILIZE, 503
MOD:STABILIZE, 503
MOD:STABILIZE, 503
PM, 0, 0, 0, 61
PM, 0, 0, 0, 60
PM, 0, 0, 0, 60
PM, 0, 0, 0, 60
PM, 0, 0, 0, 60
CMD, 9, 0, 16, 0, 0, 0, 463116531, 77739981
NTUN, 4, 348, 0, 0, -75, -850, 0, 0, 0, 0
CTUN, 0, 0, 74, 0, 0, 10, -76, 0, 0, 0
ATT, 0, -76, 0, 1116, 4461, 18910, 18808, 0, 0
CTUN, 0, 0, 58, 0, 0, 10, -118, 0, 0, 0
ATT, 0, -76, 0, 1116, 4461, 18908, 18808, 0, 0
NTUN, 31, 226, 0, 0, -75, -850, 12, 9, 0, 0
CTUN, 0, 0, 39, 0, 0, 10, -154, 0, 0, 0
ATT, 0, -76, 0, 1116, 4474, 18906, 18808, 0, 0
CTUN, 0, 0, 22, 0, 0, 10, -162, 0, 0, 0
ATT, 0, -77, 0, 1116, 4461, 18904, 18808, 0, 0
NTUN, 18, 16, 0, 0, -75, -850, 0, -4, 0, 0
CTUN, 0, 0, 5, 0, 0, 10, -166, 0, 0, 0
ATT, 0, -77, 0, 1116, 4029, 18902, 18808, 0, 0
CTUN, 0, 0, 4, 0, 0, 10, -88, 0, 0, 0
ATT, 0, -77, 0, 1116, 2720, 18899, 18808, 0, 0
MOD:STABILIZE, 487
GPS, 577243000, 9, 46.3116532, 7.7739986, -0.0200, 635.8600, 0, 1028
NTUN, 6, 215, 0, 0, -75, -850, 0, 0, 0, 0
CTUN, 0, 0, 2, 0, 0, 10, -54, 0, 0, 0
ATT, 0, -78, 0, 1116, 254, 18896, 18808, 0, 0
CTUN, 0, 0, 1, 0, 0, 10, -32, 0, 0, 0
ATT, 0, -79, 0, 1116, 0, 18893, 18893, 0, 0
GPS, 577243200, 9, 46.3116532, 7.7739986, -0.0100, 635.8600, 1, 1028

@captaingeek

Motors Still works :) nothing is Broken, just 2 Probs and 2 Arms litle bent, but i build a new copter :D

@Dan Gray

Thank you for your Info.

I dont know why the APM Reboot, after the crash i fly 1-2 min without any problem, and I checke everything after this Crash, but no fault found. :(

how can Enable Motor Loging? my LOG_BITMASK = 382 (Default)?

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