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  5. Can't Change AP pitch

Can't Change AP pitch

Scheduled Pinned Locked Moved F28 Professional
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  • T taguilo

    @veeze
    Hi,

    When you keep the PITCH INC/DEC switch constantly pressed, does pitch change? Let's say for example you are flying leveled (0 VS) , set PITCH mode, hold switch INC position until vertical speed reaches 2000 ft/min, then release the switch and vertical speed returns to 0? Pitch trim gauge & wheel perform a bit different with or without GNS enabled, but it should not affect the target pitch (VS) you are selecting.

    Tomas

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    Veeze
    wrote on last edited by
    #29

    @taguilo Yes, the pitch is changing as commanded with the switch, but the wheel always goes back to where it started.

    I have never used the GPS with this airplane.

    I will consider myself better educated, Taguilo, and go on about flying! Thanks.

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    • V Offline
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      Veeze
      wrote on last edited by
      #30

      One more piece of information... I just did a short flight where I took off and engaged AP at 2000 ft. , climbed to FL180 at 280 kts, then descended for landing and disengaged AP at 2000 ft. and 180 kts. The small pointer on the captain's trim wheel never moved from the C in "climb".

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      • V Veeze

        One more piece of information... I just did a short flight where I took off and engaged AP at 2000 ft. , climbed to FL180 at 280 kts, then descended for landing and disengaged AP at 2000 ft. and 180 kts. The small pointer on the captain's trim wheel never moved from the C in "climb".

        M Offline
        M Offline
        Melon
        wrote on last edited by
        #31

        Still have this bug from when I last reported it as well. Was really hoping it'd be fixed in the latest update. But as Veeze says you can move the switch but the moment you let it go it snaps back to what it was previously.

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        • MarkM Offline
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          Mark
          JF Staff
          wrote on last edited by
          #32

          @Veeze @Melon Can you confirm that when you move the PITCH control the aircraft's pitch on the ADI increases/decreases in the same direction that you move the control, and it then maintains the new pitch once the control is released? If so then the system is working as intended.

          When holding the PITCH controller forward or aft the trim wheel will move in the respective direction as it's trimming the aircraft nose up/nose down to achieve the new pitch angle. Once the PITCH controller is returned to neutral, the aircraft will maintain the new pitch angle, and the trim wheel will move back to somewhere close to its original position as that will be the stabilizer trim required to keep the aircraft at that pitch angle.

          Mark - Just Flight

          Just Flight Development Assistant

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          • MarkM Mark

            @Veeze @Melon Can you confirm that when you move the PITCH control the aircraft's pitch on the ADI increases/decreases in the same direction that you move the control, and it then maintains the new pitch once the control is released? If so then the system is working as intended.

            When holding the PITCH controller forward or aft the trim wheel will move in the respective direction as it's trimming the aircraft nose up/nose down to achieve the new pitch angle. Once the PITCH controller is returned to neutral, the aircraft will maintain the new pitch angle, and the trim wheel will move back to somewhere close to its original position as that will be the stabilizer trim required to keep the aircraft at that pitch angle.

            Mark - Just Flight

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            M Offline
            Melon
            wrote on last edited by
            #33

            @mark Initially it snapped back to level flight the moment I'd let it go, but cycling the AP on and off seems to have fixed it. Although when I got down to the ILS intercept it did want to nose dive quite hard, like run away trim or something.

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            • MarkM Mark

              @Veeze @Melon Can you confirm that when you move the PITCH control the aircraft's pitch on the ADI increases/decreases in the same direction that you move the control, and it then maintains the new pitch once the control is released? If so then the system is working as intended.

              When holding the PITCH controller forward or aft the trim wheel will move in the respective direction as it's trimming the aircraft nose up/nose down to achieve the new pitch angle. Once the PITCH controller is returned to neutral, the aircraft will maintain the new pitch angle, and the trim wheel will move back to somewhere close to its original position as that will be the stabilizer trim required to keep the aircraft at that pitch angle.

              Mark - Just Flight

              V Offline
              V Offline
              Veeze
              wrote on last edited by
              #34

              @mark The AP pitch trim is behaving correctly as you describe. What threw me off, I think, is the trim wheel animation, that always puts the trim wheel back in the same place, regardless of the pitch trim setting.

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              • C Offline
                C Offline
                Christoph4445
                wrote on last edited by Christoph4445
                #35

                Elevator trim up/down on my system is a big problem. It doesn't move up or down evenly. First there's no movement and then after a while too much. Sometimes just nothing. I cannot handfly the plane like that. What a pity. This can't be the real thing. After take-off I almost dropped from the sky because I couldn't get that trim going. Same thing with the numbers 1 and 7 on the numberpad. Please fix this. Otherwise a great plane, Iove it. Very immersive. Thank you.

                DerekD 1 Reply Last reply
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                • C Christoph4445

                  Elevator trim up/down on my system is a big problem. It doesn't move up or down evenly. First there's no movement and then after a while too much. Sometimes just nothing. I cannot handfly the plane like that. What a pity. This can't be the real thing. After take-off I almost dropped from the sky because I couldn't get that trim going. Same thing with the numbers 1 and 7 on the numberpad. Please fix this. Otherwise a great plane, Iove it. Very immersive. Thank you.

                  DerekD Online
                  DerekD Online
                  Derek
                  JF Staff
                  wrote on last edited by
                  #36

                  @christoph4445 said in Can't Change AP pitch:

                  Please fix this.

                  If you contact Just Flight support we can look into it for you.

                  https://www.justflight.com/support

                  https://support.justflight.com/support/home

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                  • E Offline
                    E Offline
                    Eurostar373Driver
                    wrote on last edited by
                    #37

                    Same issue here still!

                    DerekD 1 Reply Last reply
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                    • E Eurostar373Driver

                      Same issue here still!

                      DerekD Online
                      DerekD Online
                      Derek
                      JF Staff
                      wrote on last edited by
                      #38

                      @eurostar373driver said in Can't Change AP pitch:

                      Same issue here still!

                      If you contact Just Flight support we can look into it for you.

                      https://www.justflight.com/support

                      https://support.justflight.com/support/home

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