"Drone Crash due to GPS Glitch.....
Today reactions of drone when gps unconsistency occurs is max lean angle.....quick acceleration, high speed...
So beginers that fly at 20/30 meters of wall or tree, don't have reflex to toggle althold mode to…"
About landing detector, I know that it' s set to be threshold below 25% of throttle output...
I dispose an hexarotor with big motors that for hovering need 30% throttle output.
By time and for a short time, the drone drops…"
Crash due to bug in GPS failsafe or Land mode or Geo Fence.
The log attached shows you a flight that I realized in specific conditions:
Takeoff in a valley where there was not GPS (sats 0). => Préarm check prevents arming the…"
"When in loiter or alt hold, could auto-disarm routine invoke in this cases:
1. If drone need 20% throttle to hover => Thr In 50% and Thr Out 20% ?
2. for drone that need 45% throtte to hover => If during flight pilot request max negative…"
"Is your pixhaxk working properly after that? when you power pixhawk is FMU power led and B/E led working properly?
If not It seems to be a brownout !What bec and what current sensor you use?How have you connected gimbal?"
"AC3.2 RC7 HEXAROTOR
I did several flights in auto mode, and I have two logs where the drone get disoriented along the way.
FYI the external magneto is positioned at the end of a mat of 15 cm and is not subject to any deviation due to magnetic field.…"
"EKFCHECK_THRESH, it seems to me that the repeated errors from EKF regarding compass comes from the fact that few people (like me) don't make a "compass mot" to calibrate the Pixhawk built-in compass .... because usually we use…"
"Is your APM working again? no problem to make another flight? maybe that there was a fail of the 5v power supply or voltage regulator on APM board...
votre apm refonctionne ? pas de probleme pour réaliser un autre vol? peut etre qu'il y…"