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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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  • M Offline
    M Offline
    Melon
    wrote on last edited by
    #4

    Is it intended for the pitch to snap back? I have the AP pitch reference set to the thumb buttons on my Alpha yoke and during climb outs when I set it initially to pitch hold and try to use those binds to push the nose down it snaps back up to what it was previously and does not hold the desired pitch so you cannot increase speed as per the tutorial/checklist.

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    • M Melon

      Is it intended for the pitch to snap back? I have the AP pitch reference set to the thumb buttons on my Alpha yoke and during climb outs when I set it initially to pitch hold and try to use those binds to push the nose down it snaps back up to what it was previously and does not hold the desired pitch so you cannot increase speed as per the tutorial/checklist.

      J Offline
      J Offline
      JetNoise
      wrote on last edited by
      #5

      seeing the same issue, pitch seems to snap back, looking at the trim wheel also ..
      Same hw bindings on my Alpha

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      • MartynM Offline
        MartynM Offline
        Martyn
        JF Staff
        wrote on last edited by
        #6

        Can you submit tickets to the support team so that we can investigate this further and see if we need to make any changes to better support the Honeycomb hardware? https://www.justflight.com/support

        Martyn - Development Manager

        J M 3 Replies Last reply
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        • MartynM Martyn

          Can you submit tickets to the support team so that we can investigate this further and see if we need to make any changes to better support the Honeycomb hardware? https://www.justflight.com/support

          J Offline
          J Offline
          JetNoise
          wrote on last edited by
          #7

          @martyn I'll do some more testing on my side, before i raise hell 😉

          Cheers
          Oliver

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          • J JetNoise

            seeing the same issue, pitch seems to snap back, looking at the trim wheel also ..
            Same hw bindings on my Alpha

            M Offline
            M Offline
            Melon
            wrote on last edited by
            #8

            @jetnoise I'm sitting here on the ground playing with it... are you using the GPS unit? I just tried without the GPS unit and with the GPS and it seem like it might be an issue when using the GPS unit. Because when not using the GPS unit I was able to move the pitch trim with the pitch hold reference without it immediately snapping back to whatever. However when the GPS unit was enabled it immediately started snapping to what it was before when using the pitch trim switch/binding.

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            • MartynM Martyn

              Can you submit tickets to the support team so that we can investigate this further and see if we need to make any changes to better support the Honeycomb hardware? https://www.justflight.com/support

              M Offline
              M Offline
              Melon
              wrote on last edited by
              #9

              @martyn I think it might be to do with the GNS being enabled. Shall submit a bug report though.

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              • M Melon

                @jetnoise I'm sitting here on the ground playing with it... are you using the GPS unit? I just tried without the GPS unit and with the GPS and it seem like it might be an issue when using the GPS unit. Because when not using the GPS unit I was able to move the pitch trim with the pitch hold reference without it immediately snapping back to whatever. However when the GPS unit was enabled it immediately started snapping to what it was before when using the pitch trim switch/binding.

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                J Offline
                JetNoise
                wrote on last edited by
                #10

                @melon great finding. Actuall i had the GPS "installed" but was doing the tutorial VOR/VOR.
                I'll check on my next flight ... (later today)
                Oliver

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                • MartynM Martyn

                  Can you submit tickets to the support team so that we can investigate this further and see if we need to make any changes to better support the Honeycomb hardware? https://www.justflight.com/support

                  J Offline
                  J Offline
                  JetNoise
                  wrote on last edited by
                  #11

                  @martyn is that of any interest maybe
                  Discussion about deactivating the gns unit

                  https://discord.com/channels/750764704175226992/1040727793736102000/1128970130915856434

                  Oliver

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                  • J JetNoise

                    @melon great finding. Actuall i had the GPS "installed" but was doing the tutorial VOR/VOR.
                    I'll check on my next flight ... (later today)
                    Oliver

                    M Offline
                    M Offline
                    Melon
                    wrote on last edited by Melon
                    #12

                    @jetnoise Yeah, it definitely seems to be because of the GNS. Just did a flight without it and the pitch controls worked perfectly.

                    MartynM 1 Reply Last reply
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                    • M Melon

                      @jetnoise Yeah, it definitely seems to be because of the GNS. Just did a flight without it and the pitch controls worked perfectly.

                      MartynM Offline
                      MartynM Offline
                      Martyn
                      JF Staff
                      wrote on last edited by
                      #13

                      @melon Thanks for confirming. We are investigating.

                      Martyn - Development Manager

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                      • T Offline
                        T Offline
                        taguilo
                        wrote on last edited by
                        #14

                        Just a comment, besides INCREASE/DECREASE AP PITCH HOLD control assignments, INC/DEC VERTICAL SPEED can be used as well to control pitch, for those that probably have a controller already mapped to these events.

                        Tomas

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                        • W Offline
                          W Offline
                          Wothan
                          wrote on last edited by Wothan
                          #15

                          @Martyn
                          With the GNS 530 NOT selected, I still have issues with pitch modes.

                          After takeoff setting AP on and controlling pitch works fine.
                          Having an altitude selected, makes the AP switch from Pitch to HT, but while it tries to level out, it keeps climbing through the set altitude.

                          Changing back to Pitch mode, the stabiliser seems to be stuck, and I can no longer change the pitch - the elevator trim wheel simply snaps back.

                          I have tried to disable the WT GNS 530 in the Panel.cfg file, but with no change.

                          Edit:
                          On my Stream Deck I can monitor the in-sim (Asobo) Autopilot settings.

                          When I engage the F28 AP, then the following in-sim (Asobo) AP functions are set to ON: AP Master & Level mode.
                          The F28 AP shows Roll & Pitch, and I can set the Pitch with the switch on the Pedestal or by pressing the V/S Inc./Decr. switches on my Stream Deck.

                          Once the F28 comes close to the Altitude preset, the in-sim AP changes to V/S and the V/S value decrease until it reaches the set altitude, where it changes to ALT hold mode.
                          But the F28 just keeps climbing and the Elevator trim wheel seems to be stuck, or rather snaps back to it´s initial position when I use either the Pitch switch (or V/S Incr./Decr. switches on my Stream Deck).

                          I wonder if any 3rd party addon can affect the AP.
                          I have alot of Aircraft addons, but most uses the standard (now WT) GPS units, PMS 750 or TDS GTNXi.

                          Edit 2:
                          I tried to disable all my addon aircraft in the Community folder to rule out any incompatibility with any of those , but to no avail.

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                          • W Offline
                            W Offline
                            Wothan
                            wrote on last edited by
                            #16

                            Just a thought...

                            Could the PMS GTN750 or TDS GTNxi 750 cause Autopilot issues ?

                            Also - is the F28 using standard MSFS AP functions, or are some of them custom coded ?
                            The reason is that when I look on which MSFS AP functions are actve on my Stream Deck, I wonder why the LEVEL mode always seems active.
                            Also when I use IAS mode, once I get near the Preset altitude, the MSFS AP switches from IAS to V/S mode with decreasing V/S as it comes closer tol the Preset altitude and then goes to ALT mode.
                            But while the MSFS AP indicates to be in ALT mode and V/S is set to 0 ft/min on my Stream Deck, the Aircraft keeps climbing.

                            T 1 Reply Last reply
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                            • W Wothan

                              Just a thought...

                              Could the PMS GTN750 or TDS GTNxi 750 cause Autopilot issues ?

                              Also - is the F28 using standard MSFS AP functions, or are some of them custom coded ?
                              The reason is that when I look on which MSFS AP functions are actve on my Stream Deck, I wonder why the LEVEL mode always seems active.
                              Also when I use IAS mode, once I get near the Preset altitude, the MSFS AP switches from IAS to V/S mode with decreasing V/S as it comes closer tol the Preset altitude and then goes to ALT mode.
                              But while the MSFS AP indicates to be in ALT mode and V/S is set to 0 ft/min on my Stream Deck, the Aircraft keeps climbing.

                              T Offline
                              T Offline
                              taguilo
                              wrote on last edited by
                              #17

                              @wothan Yes, the autopilot uses custom code in the process of leveling off towards an altitude capture, both in PITCH and IAS modes. This is to smooth the capture form an otherwise different behavior with or without GNS selected. However, once altitude has been reached, the AP is totally controlled by MSFS ALT HOLD mode. It seems in your case there might be some controller mapping issues. We are going to investigate that.

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                              • T taguilo

                                @wothan Yes, the autopilot uses custom code in the process of leveling off towards an altitude capture, both in PITCH and IAS modes. This is to smooth the capture form an otherwise different behavior with or without GNS selected. However, once altitude has been reached, the AP is totally controlled by MSFS ALT HOLD mode. It seems in your case there might be some controller mapping issues. We are going to investigate that.

                                W Offline
                                W Offline
                                Wothan
                                wrote on last edited by
                                #18

                                @taguilo
                                Note that I´m not using any controller for the AP other than AP ON/OFF Toggle on my Yoke and the V/S Incr./Decr. on my Stream Deck.
                                In the start I used the blue Pitch switch on the Pedestal, but with the same issue.

                                I have only tried the F28 4000, and will try one of the other versions this afternoon.

                                So I´m pretty sure that this isn´t a controller mapping issue, but rather some backround app intervening - or a F28 bug.

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                                • b3lt3rB Offline
                                  b3lt3rB Offline
                                  b3lt3r
                                  wrote on last edited by
                                  #19

                                  I was in a state today where pitching up would work while I held the switch but as soon as I let go it reverted. I resolved by cycling the AP once. Aside from that it's been working fine for me.

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                                  • b3lt3rB b3lt3r

                                    I was in a state today where pitching up would work while I held the switch but as soon as I let go it reverted. I resolved by cycling the AP once. Aside from that it's been working fine for me.

                                    M Offline
                                    M Offline
                                    Melon
                                    wrote on last edited by
                                    #20

                                    Was one of the 'manual' fixes this update resolving the pitch snapping issue?

                                    MartynM 1 Reply Last reply
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                                    • M Melon

                                      Was one of the 'manual' fixes this update resolving the pitch snapping issue?

                                      MartynM Offline
                                      MartynM Offline
                                      Martyn
                                      JF Staff
                                      wrote on last edited by
                                      #21

                                      @melon The manual updates refer to the documentation. We are still trying to reproduce and identify the cause of the pitch selector issue(s).

                                      Martyn - Development Manager

                                      M 1 Reply Last reply
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                                      • MartynM Martyn

                                        @melon The manual updates refer to the documentation. We are still trying to reproduce and identify the cause of the pitch selector issue(s).

                                        M Offline
                                        M Offline
                                        Melon
                                        wrote on last edited by
                                        #22

                                        @martyn ah, right that sort of manual... haha.

                                        1 Reply Last reply
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                                        • G Offline
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                                          Grinde81
                                          wrote on last edited by
                                          #23
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