Your channel 7 is set correctly and is seen in rcin. Looking at your pitch and roll RCin they look fine at about 1500, but your rudder seems a touch lower at 1470. Not sure if that is enough to stop auto tune, but do you have any trim on rudder on your radio? Not sure if its that but a possible and easy to check
The model I have is an FPV550. The configuration is very odd and even worse than a reptile quad.
This picture shows it’s configuration. I initially had a KK2 FC on board but it could not handle it no matter how I tuned it. So I thought Pixhawk!
In the configuration, I could select Quad but this looked symmetrical, so, what I chose was the V option but without the V-Tail! However, when I input yaw, I still get one of the motors pitching more than the other which is what I was trying to overcome with the Pixhawk!
Could this be the problem with YAW? In Missionplanner and Radio Calibration, I get the following ;
Left Centre Right
Roll 1012 1517 2006
Pitch 1010 1513 2006
Yaw 982 1464 1988
I would choose normal quad rather than v tail if it were me.
What I mean by the yaw being off is the RC channel from the radio. the RCin logs show wht the brain is receiving from the receiver. But yes that centre value for rudder is what your logs say. I am wondering its over a limit to allow autotune to run.
Have you got any rudder trim on the radio on?
Autotune stops running if you move the sticks so you can re position the quad.
I have changed the model type from V-Type to X-Type. I have also re-calibrated everything!
Yaw still gives me the same center value.
Just one thing that really messed with my head and that’s Pitch! The quad flies great but on the MissionPlanner monitor, the Pitch is reversed! Is this normal?
Those logs show a throttle input of around 13% but a pwm of over 2000 being seen from the receiver.
Your THR_MAX is only at 80 though, try increasing it to 1000