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BDShot telemetry in logs
I’m looking at ESC telemetry in my flight logs. The main, analog power readings make sense. The individual ESC reports confuse me. This is the first time I’ve used DShot ESCs, so I can’t tell is this...
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Poz_horiz_abs Off and ublox protocole
Hello. I got poz_horiz_abs Off flag in EKF Status when GPS_TYPE set to ublox. But when I change GPS_TYPE to NMEA that flag is On. I was waiting hours with 25+ sats hdop 0,5, moved gps away from...
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Coaxial X8 on a rectangular (non-square) layout — motor mix, roll/pitch...
First-time large-multirotor builder, looking for a sanity check before I cut metal. I have the motors and I’d rather find out now that I’ve picked wrong. Not flying yet — still at the design stage,...
View ArticleDueing take off jump issue
Hi everyone, I am facing a strange issue during take off. My craft does not take off smoothly in a single attempt; instead, it jumps up about 0.5 meters on the first try before settling into a stable...
View ArticleQ_A_RAT_RLL_P value out of range
Non-vectored tailsitter, v4.7.0. I ran QWIK TUNE and it came up with Roll P = 0.9964 This is outside of the declared range for Q_A_RAT_RLL_P, which is 0.01 to 0.5. I can post the log of the QWIK TUNE...
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ArduPilot EU Dev Call 2026-09-23
Attendees (unique): 13 UTC0802 github.com/ArduPilot/ardupilot AP_NavEKF3: clear baro temperature drift on arming (#32768) master ← andyp1per:pr-baro-drift-minimum opened 07:40PM - 13 Apr 26 UTC...
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ELRS not triggering RC Failsafe until its too late
I’ve recently had two quads run into an issue where the RC inputs go to a seemingly random flat value. First quad: Log ELRS_Aug18.bin Second quad: ELRS_Sept22.bin In both cases this flat-lining of the...
View ArticleArducopter 4.8 dev and am32
I have a quick question I am running arducopter 4.8 dev with am32 esc protocol. Does ESC Kv affect the tuning or anything if I have 0804 12000 kv motors and Am32 only goes to 10222 kv. 2 posts - 2...
View ArticleGPS/Compass Error followed by Vibration Compensation at Low Speed –...
Hello everyone, I am troubleshooting an issue on a 10-inch FPV quad running ArduCopter 4.6.3 and would appreciate some guidance on the EKF behavior. Hardware Matek H743-Slim V4 Matek M9N-G4-3100 GNSS...
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Unable to init Storage backend
error please help me another error : python3 -m serial.tools.miniterm /dev/ttyACM0 115200 Unable to init Storage backend 1 post - 1 participant Read full topic
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Terrain following / run into
Hi there, wanted to try out Terrain Following in a gently rolling area. The plane lost more altitude than necessary. Log can be found here. Any idea? Thanks! 1 post - 1 participant Read full topic
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Dev Call Sept 20, 2026
CI workflows GitHub Workflow runs · ArduPilot/ardupilot ArduPlane, ArduCopter, ArduRover, ArduSub source. Contribute to ArduPilot/ardupilot development by creating an account on GitHub. Release Update...
View ArticleNew here — firmware dev looking to build an autonomous farm surveillance...
Hi, I’m Nicolau, nice to meet you all! I’m new to this forum. I’m a Control and Automation Engineering student, and my career has always been focused on software and firmware development, but I have...
View Articlemotor offset configuration.
Hi, I’m building a quadcopter with front arms 100mm lower than the rear. How does this affect flight stability, and how/where do I configure motor position offsets in AMC or ArduPilot to keep it...
View ArticleAUTOTUNE_LEVEL vs roll rate, looking for advice on tuning for max performance
The docs for AUTOTUNE_LEVEL say “Levels above 8 should only be used by very experienced pilots.” But even level 11 is only 300 degrees/sec. For a medium-sized reasonably-acrobatic plane (1m wingspan)...
View ArticleTuning a tailsitter quad: `Q_TAILSIT_VT_R_P`
I am tuning a quad tailsitter similar to @hwurzburg’s BoxKite (https://discuss.ardupilot.org/t/box-kite-copter-tailsitter-build-instructions/). The aircraft is stable in hover and maintains altitude...
View ArticleI took a Horten Ho 229 V3 frame
I took a Horten Ho 229 V3 frame design and placed a single prop motor topside. Have a look.. Horten Ho 229 V3 1 post - 1 participant Read full topic
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Another crash with nothing in the logs
My large 2.2m VTOL just nose dived after transition and is in a thousand bits. I’ve flown 100s of times with this plane, and nothing in the settings has changed much. I did a flight 10 minutes before...
View ArticleSIM_GPS1_HNSE fault clear trips EKF position lost failsafe
TL;DR: it’s not the GPS fault itself that trips the EKF position lost failsafe, it’s clearing the fault I was testing how a GPS guided descent handles injected GPS position error in SITL (ArduCopter...
View ArticleSIM_GPS1_HNSE fault clear (not fault magnitude) trips EKF position lost failsafe
(topic deleted by author) 1 post - 1 participant Read full topic
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