Flight Controller Reboots when running on 6S
Hi. My quad is suffering reboots and crash_dumps every few minutes. It happens only when running at 6S. If I have the quad connected to 4S is seems to be fine. If I power the flight controller...
View ArticleSaved .param files and the 4.7 renames: how do you keep fleet configs valid?
Hi all, Over the last few weeks I went through 12 months of ArduPilot master (Sept 2025 to Sept 2026), looking only at commits that changed the definition of a safety-related parameter: arming, RTL,...
View ArticleCopter-4.7.2 released!
Copter-4.7.2 has been released as the stable/official version for multicopters and traditional helicopters and can be downloaded using Mission Planner, QGC or directly downloaded from...
View ArticleWingless Tiltrotor Multicopter (4 Motors + 1 Servo) with ArduCopter and Lua...
Hi everyone, I am building a wingless multicopter (tilt-rotor quadcopter) using 4 brushless motors and 1 servo for tilting, running ArduCopter firmware. I would like advice on the control architecture...
View ArticleY4 Configuration Yaw-to-Roll Coupling Issue (Asymmetrical Propellers: 17"...
Y4 Configuration Yaw-to-Roll Coupling Issue (Asymmetrical Propellers: 17" Front / 15" Coaxial Rear) Hi ArduPilot Community, We are currently working on a custom Y4 frame setup and running into severe...
View ArticleT-Motor F55A Pro III AM32 ESC current telemetry reports 11A with RPM = 0
Hello, I am using a T-Motor F55A Pro III 4-in-1 ESC running AM32 firmware with ArduPilot 4.6.3 on a CUAV X7+. I noticed a possible issue with ESC current telemetry. Observations: ESC voltage telemetry...
View ArticleRequested APJ_BOARD_ID for porting Ardupilot to AxisflyingH743AIO
Hi Dev Team, I have successfully ported Copter-4.6.3 to AxisflyingH743AIO, for my local build, I have for the timebeing taken temporarily APJ_BOARD_ID 1192. Copter and Plane are compiling perfectly....
View ArticleArduCopter 4.7.1 – Barometer/EKF altitude corruption after hard descent...
Hi, I am looking for some help understanding a potentially dangerous vertical control / EKF behaviour on a small, very high thrust-to-weight 3.5" quad running ArduCopter 4.7.1. Complete DataFlash log:...
View ArticleA small VIO system using OpenMV AE3 and Raspberry Pi
The goal of this project is to create a small and lightweight VIO system suitable for GPS and Vision navigation transition flight on a 250mm quadcopter. Hardware: Raspberry Pi 5 OpenMV AE3 camera...
View ArticleEKF3 AID_NONE can reset Z from Baro despite valid RangeFinder height source,...
MODERATOR EDIT: Is there a specific reason why entering AID_NONE also requires a direct write to the Z state from baroDataDelayed.hgt? In other words, why should loss of XY aiding directly overwrite...
View ArticleArduCopter 4.7.1 7 inch build does not sit put in the air even after auto tuning
Hi, we are trying to “fly” a 7 inch copter with latest arducopter firmware and with a custom build card. We succeeded flying 10 inch copters without a problem but in this 7 inch builds, we can’t...
View ArticleCopter-4.7.2-beta1 released for beta testing!
Copter-4.7.2-beta1 has been released for beta testing and can be downloaded using Mission Planner, QGC or directly downloaded from firmware.ardupilot.org. The list of changes vs 4.7.1 are in the...
View ArticleSlight shake of drone
Hi! I have a quadcopter that was tuned with AMC some time ago. The drone carries a MILC camera for aerial photography. The drone flies good, except one thing: in the air it shakes a little bit. At...
View ArticleMultiple crashes in auto mode quadcopter
the drone crashed three times in auto modes, sometime it works nicely in auto mode but failes in guided or auto mode all happened in auto mo de, 2 times c3 motor rcou went high and the diagonally...
View ArticleOptical flow + GPS in EK3 fusion
Hello, I would like to setup my quad to fly outdoors and use the gps + optical flow for loiter mode. | Is there a way I could setup to fuse the optical flow & gps such that: It fuses optical flow...
View ArticleOptical flow + GPS in EK3
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View ArticleCrash while taking off
I did multiple test , drone is immediately crashing as soon as i increase thrust, i thought it is a pid related issue and started changing these values and but drone is immediately flipping after...
View ArticleHexacopter Crash, seeking for root cause
Hello Community, I crashed recently my ZD680 Hexcopter , and now I am asking for your help to identify possible root causes. Log file: Link Facts: ZD680 Hexacopter, 4.5kg, Arducopter 4.7.1, Pixhawk...
View ArticleUncommanded turn after lift off
After lifting off, the helicopter almost always turns 90° to the right. Why ? Log file 8 posts - 3 participants Read full topic
View ArticlePreArm: Gyros inconsistent
Hi, I use a Cube Orange in my 28" quadcopter. It is running Arducopter 4.5.7. After mounting it in the drone it was recalibrated (full accel calibration and level calibration). I don’t use a compass...
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