Betaflight, rate and expo settings

[daniel]

Hey guys,

I'm trying to configure LiftOff to be similar to my quad, which uses Betaflight.

In Betaflight I use RC Rate = 1.00, RC Expo = 0.70 and Roll/Pitch Rate = 0.73.

Boris published tables to translate rates into deg/sec:

https://github.com/borisbstyle/betaflight/wiki/BetaFlight-Deep-Dive#rates-rc-rate-translations-into-deg-sec-tables

My combination should result in 781 deg/sec, which I used in LiftOff. I further set the expo in game to 1.8, which looks similar to the chart in the CF configurator.

However, this seems completely off. It seems too twichty in the corners and too damped around the stick centers, so I suspect neither the expo nor the rates are good.

Do you have any ideas how I could narrow down the correct settings, which yield a similar behavior as in real life?

[Boof69]

I'm not sure where you are inputting your numbers. You can select a specific rate of rotation in the "Flight Controller" settings.
I run Pitch 500°/sec
Roll 500°/sec
Yaw 360°/sec
As for PIDs for the moment there is no need for the "I" or "D" settings as there are no wind forces added to the game as of yet. I have noticed only adverse effects from those settings. Therefore I run:
Pitch P = 1.75
Roll P = 1.65
Yaw P = 1.20
I find these settings perfect for the setup I'm running in-game.
I run EXPO 25% from in radio settings for Ail & Elev
15% for Rud