Hello.

I am trying to configure a speedybee F405 wing card on a flying wing.
I have tried INAV 6 and 6.1 and I still have the same problem. When I move my sticks for pitch and roll I have only one servo doing its full travel while the other one is barely moving. And depending on whether I'm pitching or rolling, it's not the same servo that goes all the way through.
For the pitch it's the left one, for the roll the right one...

On the receiver tab (I use an ELRS) I can see the levels moving correctly according to the movement of the sticks. S1 and S2 in opposition for the roll and S1 and S2 in the same direction for the pitch.
On the mixer tab, the servo values reflect the full movement of one servo and the little movement of the other.

Being new to INAV I don't know where to look to understand what's going on and fix it.

Does anyone have an idea for me?

Thanks in advance for your help!

I've solved the problem. 

The problem was with my radio (FRSKY X9D+ SE with edgetx).
I created a profile and used the wizard to configure it for a flying wing. And I shouldn't have...

In desperation I reset everything (flight controller and radio) and started all over again.
When programming the radio, I forgot to go through the wizard, so I had a "basic profile". And now, no problem, the servos move normally.

If it's of any use to anyone, and saves them tearing their hair out!