5 inch frame quad X - parameters file share

ArduCopter Copter 4.0
2

I think your engine is to much for 4s , i was also do that on 2700kv at martian 220 frame and result is 2 batter going with god :joy: i was tuned not very much like I don’t have ESC telemetry to filtering some notch filter , but anyway it’s work Maybe :sweat_smile:

Also you can go with this

https://ardupilot.org/copter/docs/common-tuning.html

https://ardupilot.org/copter/docs/tuning-process-instructions.html
https://ardupilot.org/copter/docs/tuning.html

Here’s the magic :joy:

Happy flying :slightly_smiling_face: