"In my case above it was a poorly trimmed airplane. As an old RC guy who learned on sailplanes I always trim so the nose slightly falls. I fly with back pressure on the stick. Not a good idea with a Pixhawk. Trim your plane in Manual mode so it…"
"Can you see PWM commands in the log? The plane is still intact after the crash. It is a flying wing. Both elevon servos and control linkages are good. Seems like something was lost between Pixhawk Desired Pitch Up and the servo. Also, since it's a…"
"The plane crashed in a field and rested over night with power on. Amazingly the lipo powered without completely discharging and damaging the battery. The Log file was 389 MB so I deleted the part where the plane was just sitting. The plane was still…"
Please see attached log and screenshot.PixhawkFlying wingArduplane 3.3Flying mission with auto takeoff and waypoints. Plane perfectly executes take off and heads to first waypoint. Upon arrival at first waypoint plane pitches down until impact -…
"Looks like a low battery to me. There's a battery failsafe at 6.5 minutes. The copter flies for another 5 minutes. The voltage momentarily goes be low 10 volts. Many ESCs are programmed to stop if voltage goes below 3.3 volts per cell. 9.9 volts.…"
Yes, sort of. There is a beta version of the KAP UAV script that lights the red eye lamp when the shutter opens. I'm working a cable now that uses a phototransistor to read the lamp and send a feedback signal to the Pixhawk. But, the…"