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Pushback followed by pull not possible

Featured Replies

Hi.

I have tried with both rudder control and the window buttons but this seems not to work properly. After the pushback once you slow to 0 speed and then accelerate forward trying to pull the aircraft the direction controls are still in the "pushback mode" so the tug and nose wheel will try to go to the opposite direction. Then it´s basically impossible to move the aircraft forward in this case as it seems to be receiving both directions inputs at the same time and then it takes a lot of distance to perform a turn (the turn radius is extremely big). I´m using the latest MSFS version and also the latest Pushback Express version, recently released.

See example of the problem.

1) Pushback starts and right turn is requested (right pedal pressed) --> aircraft turns well backwards and sits in the taxiway line.

https://freeimage.host/i/7UqStI

2) Tug speed set to 0 and then to forward to start a pull afterwards. Right pedal pressed again intending to turn nose to the right --> even if tug turns to the right properly aircraft starts to slighly deviate to the left, making it impossible to do a right turn to head to the runway or to another parking spot, for instance.

https://freeimage.host/i/7UBdSj

This push/pull sequence works well in the freeware pushback tools which are available, so it´s possible in game. This seems to be a problem with the direction control in the case of FS2Crew tool.

Cheers

Edited by geloxo

  • Commercial Member
51 minutes ago, geloxo said:

Hi.

I have tried with both rudder control and the window buttons but this seems not to work properly. After the pushback once you slow to 0 speed and then accelerate forward trying to pull the aircraft the direction controls are still in the "pushback mode" so the tug and nose wheel will try to go to the opposite direction. Then it´s basically impossible to move the aircraft forward in this case as it seems to be receiving both directions inputs at the same time and then it takes a lot of distance to perform a turn (the turn radius is extremely big). I´m using the latest MSFS version and also the latest Pushback Express version, recently released.

See example of the problem.

1) Pushback starts and right turn is requested (right pedal pressed) --> aircraft turns well backwards and sits in the taxiway line.

https://freeimage.host/i/7UqStI

2) Tug speed set to 0 and then to forward to start a pull afterwards. Right pedal pressed again intending to turn nose to the right --> even if tug turns to the right properly aircraft starts to slighly deviate to the left, making it impossible to do a right turn to head to the runway or to another parking spot, for instance.

https://freeimage.host/i/7UBdSj

This push/pull sequence works well in the freeware pushback tools which are available, so it´s possible in game. This seems to be a problem with the direction control in the case of FS2Crew tool.

Cheers

There's an option:

"Reverse Left/Right input" on the Settings panel.

Do you have that checked or unchecked?

 

 

  • Commercial Member

So basicly what you mean is that you have to keep pressed rudder right to keep the tug turning right, if you release it, it will deviate to the left...right?. Just trying to understand. About the extremely turn radius, yes, it's a known issue that can be fixed. Currently the program, since the way it was coded back months ago, holds a constant maximum steering angle, which is very low, resulting in a big turn radius. With upcoming updates, seems this has changed, and we can modify it to allow tighter turns.

Cheers,

Manuel

spacer.png

  • Author

I have the Reverse Left/Right input unchecked, but this is not affecting the results at all because that was the first thing I tested. I know it´s a bit hard to explain here but just try yourselves in game and you will see the problem very clearly. Repeat these steps:

1. Start a regular backwards pushback and turn to any side to place aircraft at the taxiway, as you would normally do.

2. Instead of terminating pushback there manually set tug speed to 0

3. Now set speed to something >0 to start a forward movement

4. Try to turn to any of the sides while moving forward

You will see how the tug turns properly but the plane is not turning properly (indeed it tries to go opposite to the tug direction) and even if you can manage a turn at the end by using the opposite rudder it definitely does not have the same turning radius as while moving backwards. I hope this clarifies the topic a bit. If this can be fixed then perfect. I really love the whole tool and I use it always cause it adds a lot of flexibility and immersion to gameplay.

Cheers

Edited by geloxo

  • Commercial Member

I just tried it and it worked perfectly for me.

I used the FBW A32NX with "Windows Button" pushback mode. I used Button Control, not Voice Control.

After lining up the aircraft on the taxi line, I pressed the speed button for the tug to make it accelerate in the opposite direction.

The tug starting accelerating as it should.

I used the Left / Right / Straight buttons to drive the tug around the airport.


I never saw the plane try to go the opposite direction.  Everything seemed fine.

Please try in the FBW A32NX.

Make it something odd with whatever aircraft you're using.

 

  • Author

Try the stock 747 please

Cheers

  • Commercial Member
14 hours ago, geloxo said:

You will see how the tug turns properly but the plane is not turning properly (indeed it tries to go opposite to the tug direction) and even if you can manage a turn at the end by using the opposite rudder it definitely does not have the same turning radius as while moving backwards. I hope this clarifies the topic a bit. If this can be fixed then perfect. I really love the whole tool and I use it always cause it adds a lot of flexibility and immersion to gameplay.

I think I understand, indeed, I'll try the 747. I'm almost sure that you meant the physics of the turn itself (when pulling), also the turn radius. Also, in our previous UGCX (FSX/P3D), we in fact override the tug's physics to match the turn also. I think we can fix this.

Cheers,

Manuel

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