diff --git a/content/drone-stuff/ardupilot-setup-checklist.md b/content/drone-stuff/ardupilot-setup-checklist.md index 19d0c6d..b08ce82 100644 --- a/content/drone-stuff/ardupilot-setup-checklist.md +++ b/content/drone-stuff/ardupilot-setup-checklist.md @@ -203,32 +203,32 @@ After you have the above measurements, you're ready to tune things. For the level flight measurements: -- [ ] Set `TRIM_ARSPD_CM` to your "comfortable cruise speed". -- [ ] Set `TRIM_THROTTLE` to your cruise throttle percentage. -- [ ] Set `ARSPD_FBW_MAX` to something a bit less than the maximum airspeed you achieved in level flight. -- [ ] Set `THR_MAX` to the throttle percentage at max speed. -- [ ] Set `ARSPD_FBW_MIN` to the slowest speed you could turn at without stalling (maybe go a bit higher for some margin). -- [ ] Set `STAB_PITCH_DOWN` to the pitch angle that keeps you from stalling. +- [ ] Set `TRIM_ARSPD_CM` (cm/s) to your "comfortable cruise speed". +- [ ] Set `TRIM_THROTTLE` (percentage) to your cruise throttle percentage. +- [ ] Set `ARSPD_FBW_MAX` (m/s) to something a bit less than the maximum airspeed you achieved in level flight. +- [ ] Set `THR_MAX` (percentage) to the throttle percentage at max speed. +- [ ] Set `ARSPD_FBW_MIN` (m/s) to the slowest speed you could turn at without stalling (maybe go a bit higher for some margin). +- [ ] Set `STAB_PITCH_DOWN` (degrees) to the pitch angle that keeps you from stalling. For the ascent measurements: -- [ ] Set `TECS_PITCH_MAX` to the pitch angle you measured. -- [ ] Set `TECS_CLMB_MAX` to the climb rate you measured. +- [ ] Set `TECS_PITCH_MAX` (degrees) to the pitch angle you measured. +- [ ] Set `TECS_CLMB_MAX` (m/s) to the climb rate you measured. For the descent measurements: -- [ ] Set `TECS_SINK_MIN` to the descent rate you measured. +- [ ] Set `TECS_SINK_MIN` (m/s) to the descent rate you measured. For the max descent measurements: -- [ ] Set `TECS_PITCH_MIN` to the pitch angle you measured. -- [ ] Set `TECS_SINK_MAX` to the descent rate you measured. +- [ ] Set `TECS_PITCH_MIN` (degrees) to the pitch angle you measured. +- [ ] Set `TECS_SINK_MAX` (m/s) to the descent rate you measured. Afterwards: -- [ ] Set `LIM_PITCH_MAX` to something higher than `TECS_PITCH_MAX`. +- [ ] Set `LIM_PITCH_MAX` (centidegrees) to something higher than `TECS_PITCH_MAX`. This is the maximum pitch you'll be achieving in FBWA. -- [ ] Set `LIM_PITCH_MIN` to something lower than `TECS_PITCH_MIN`. +- [ ] Set `LIM_PITCH_MIN` (centidegrees) to something lower than `TECS_PITCH_MIN`. This is the minimum pitch you'll be achieving in FBWA. That's it!