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Rudder Axis stops working if plane starts rolling (in the air the rudder works again)


Martin99
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I'm using MSFS 1.15.8.0 with FSUIPC 7.0.9. I have deactivated the axis in MSFS for my virtualFly TQ-6 and my Saitek Rudder pedals. Then I assigned them in FSUIPC and first the rudder works correct. Next time I fly the same plane the rudder axis is working on ground until the plane starts rolling. Then the rudder axis doesn't react until the plane is in the air.

Any ideas what this can be?

Regards,
Martin

FSUIPC7.log FSUIPC7_prev.log FSUIPC7.ini

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You need to state which aircraft you were using. The log isn’t clear on that.

In one profile in FSUIPC you have an assignment to STEERING SET. Is that axis assigned in MSFS?

Your results do sound like MSFS or FSUIPC thinks you are using a tiller for ground steering.

Pete

 

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As well as what Pete says, your log shows two disconnect/reconnections due to stalled data. Try changing to the following ini parameters to the following - the -tve numbers will just log messages when data is stalled rather than re-connect:
 

Quote

TrafficStallTime=-2
NormalStallTime=-2

Also, activate logging for axis controls, and if you open the console you can see if/when any rudder controls are sent. You can attach the log if you get the same problem.

And as Pete says, its not clear from the log  the aircraft you are using when the problem occurs - and is it just in one aircraft, or all or multiple? Your log shows you using both the DA40-NG Asobo and the Just Flight PA28 Arrow III OE-DSN. In the former your rudder axis is assigned to the FS AXIS_RUDDER_SET, and in the latter it is assigned Direct to FSUIPC Rudder control.

 

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Sorry, I used the "Piper" which worked 2 days ago (after I did a fresh install of FSUIPC). Then the first profile I made vor the "Cessna 172" which also worked at the beginning. Now the problem also occurs with the C172 OE-DYU. If the plane starts moving, the rudder pedals have only little movement and the rudder outside doesn't move full.

I checked the log and console but can't see what the cause of this problem is.

InstallFSUIPC7.log FSUIPC7.log FSUIPC7.ini

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If you open your FSUIPC7.ini file in an editor, look in the [General] section and you will see these lines:
 

Quote

...
TrafficStallTime=2
InitialStallTime=120
NormalStallTime=2
...

Change to:
    TrafficStallTime=-2
    InitialStallTime=120
    NormalStallTime=-2

i.e. make the TrafficStallTime and NormalStallTime negative values.

However, this will not solve your problem, but just prevent the re-connections due to stalled data.

Looking at the new log you attached, the parameter for all your axis controls are 0 for the first minute and a half or so:

Quote

   100375 User Aircraft ID 1 supplied, now being used
   100469 SimObjects\Airplanes\Asobo_C172sp_classic\aircraft.CFG
   100469 User Aircraft ID 1 supplied, now being used
   101156 System time = 23/04/2021 18:53:43, Simulator time = 18:53:35 (16:53Z)
   146500 ***  AXIS: Cntrl= 65762 (0x000100e2), Param= 0 (0x00000000) AXIS_ELEVATOR_SET
   ...
   229453 ***  AXIS: Cntrl= 65763 (0x000100e3), Param= 0 (0x00000000) AXIS_AILERONS_SET
   229484 ***  AXIS: Cntrl= 65762 (0x000100e2), Param= 0 (0x00000000) AXIS_ELEVATOR_SET
   229484 ***  AXIS: Cntrl= 65764 (0x000100e4), Param= 0 (0x00000000) AXIS_RUDDER_SET
   229484 ***  AXIS: Cntrl= 65763 (0x000100e3), Param= 0 (0x00000000) AXIS_AILERONS_SET
   237500 ***  AXIS: Cntrl= 65764 (0x000100e4), Param= 0 (0x00000000) AXIS_RUDDER_SET
   237531 ***  AXIS: Cntrl= 65764 (0x000100e4), Param= -72 (0xffffffb8) AXIS_RUDDER_SET
   237578 ***  AXIS: Cntrl= 65764 (0x000100e4), Param= -404 (0xfffffe6c) AXIS_RUDDER_SET
   237609 ***  AXIS: Cntrl= 65764 (0x000100e4), Param= -937 (0xfffffc57) AXIS_RUDDER_SET
 

Was it during this period you had no control? Than just over  minute later there is a break of 4 seconds where there were no rudder controls, but could be sue to them not being used:

Quote

   300453 ***  AXIS: Cntrl= 65764 (0x000100e4), Param= 0 (0x00000000) AXIS_RUDDER_SET
   300672 *** TOE BRAKE AXIS, Left set = 11 (IN=-14591, OUT=-14592)
   ...
   303969 ***  AXIS: Cntrl= 66388 (0x00010354), Param= -5407 (0xffffeae1) AXIS_RIGHT_BRAKE_SET
   304031 ***  AXIS: Cntrl= 65764 (0x000100e4), Param= 66 (0x00000042) AXIS_RUDDER_SET
   304031 ***  AXIS: Cntrl= 66387 (0x00010353), Param= -8356 (0xffffdf5c) AXIS_LEFT_BRAKE_SET
   304031 ***  AXIS: Cntrl= 66388 (0x00010354), Param= -7045 (0xffffe47b) AXIS_RIGHT_BRAKE_SET
   304031 ***  AXIS: Cntrl= 65764 (0x000100e4), Param= 399 (0x0000018f) AXIS_RUDDER_SET
 

Do you maybe have auto-rudder or some co-pilot functions active in MSFS?

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Hi John,

I found the reason for this strange behavior. If I set the "steering tiller" for the FlyByWire A32NX at all other planes the rudder axis doesn't work. In MSFS there is no Steering Tiller axis at the moment, but in FSUIPC the command "steering tiller exists. In the Airbus the tiller axis (no axis in MSFS) works for the A32NX, but at all other planes the rudder stops working as soon as the plane starts to move. If I remove the tiller axis in the *ini file, the rudders for the other planes work again.

Martin

SteeringTiller.JPG

FSUIPC7.ini

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11 hours ago, Martin99 said:

In MSFS there is no Steering Tiller axis at the moment, but in FSUIPC the command "steering tiller exists. In the Airbus the tiller axis (no axis in MSFS) works for the A32NX, but at all other planes the rudder stops working as soon as the plane starts to move. If I remove the tiller axis in the *ini file, the rudders for the other planes work again.

You can remove axis calibration entries in the INI file by merely going into FSUIPC's Calibration options and RESETting calibration on that axis. You must have calibrated it at some time.

Pete

 

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