Crash detection on SpeedyBee F405 wing?

[Thermalhunter (Yury)]

I tried in both SpeedyBee F405 wing and SpeedyBee F405 Mini. Any setting, even max (127) disarms the motor at hand launch.

[LupusTheCanine]

I presume you are using shake to wake. If so, that is a known issue with the crash detector. Plane: Fix crash detection false positive on “shake to launch” by rubenp02 · Pull Request #29390 · ArduPilot/ardupilot

[menschel]

That issue is 3 years old, has not been touched since recently.

Crash Detection preventing hand launch in Auto

Hi, enabling crash detection prevents hand launch in Auto mode despite setting CRASH_ACC_THRESH higher than maximum detected IMU.AccX during hand launch. It results on a motor starting for half a second and disarming. I think that crash detection should be inactivated during the the early first phase of a mission Takeoff when TKOFF_THR_MINACC is set (or at least that the value of CRASH_ACC_THRESH be augmented by the value of TKOFF_THR_MINACC during that phase) . That said, I don’t understand wh…

You can trick it, by moving the plane with >4km/h. during the shake. I accidentally did it while practicing wing toss.