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Loss of autopilot and control inputs during flight (737 and 747)

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    Loss of autopilot and control inputs during flight (737 and 747)

    After a certain time during flights in P3dv5 the autoilot stops working and the aircraft (737 and 747) begins to turn and dive in an uncontrolled manner. After turning the autopilot off it is not possible to make any inputs using the Joystick (T.1600M) or the throttle (TWCS Throttle). This happens in normal flight mode as well as increasing sim rate or moving the aircraft with the view map. But interestingly it occurs not on every flight. Turning off Active Sky has no effect. Somebody has an idea what could cause this problem? Thanks.

    Enrico
    Enrico Bastianon

    #2
    Stick calibration? I sometimes have to recalibrate on a 747 flight several times. (my stick is on the way out - but after 11 years, owes me little)

    Too small a null zone?
    Last edited by Mickel; 01Sep2020, 12:32.
    Mike Dryden
    GFO Janitor
    Retrieving lost & abandoned airframes

    Comment


      #3
      I don't think this is the cause. The problem occurs only with PMDG aircrafts. With other aircrafts (standard or payware) I didn't encounter this problem. Therefore to me it seems an issue rather related to PMDG.

      Enrico
      Enrico Bastianon

      Comment


        #4
        I used to have a similar situation where controllers (joysticks) will "fall asleep" and shut off if not used for some time - as with autopilot on. There is a setting in windows (don't remember it) ti allow controllers to work after being idle for some time - it is in power save option I think.
        Paul Gugliotta

        Comment


          #5
          Thanks for the hint. I will try out and give a feedback later.

          Enrico
          Enrico Bastianon

          Comment


            #6
            I found the correspondent settings in the device manager/USB controller and changed them according to your suggestion. Unfortunately without any improvement. Thanks anyway.

            Enrico

            Enrico Bastianon

            Comment


              #7
              Meanwhile I have posted a ticket at the support desk. They advised me to completely rebuild the sim, what I did. That eliminated this tenacious problem. The cause could not be identified.
              Enrico Bastianon

              Comment


                #8
                Good to see you at least got it fixed, but sorry to hear you had to go through such drastic measures.
                Captain Kevin

                Kevin Yang

                Comment


                  #9
                  Unfortunately all the other recommendations did not help him. Clean reinstall of our products, removal of some of the other products he had that are known to cause some strange issues from time to time, nothing helped. So this was one of the rare times we recommended a full sim reinstall...
                  Chris Makris (Olympic260)
                  PMDG Technical Support
                  http://www.pmdg.com

                  Comment


                    #10
                    Originally posted by cmakris View Post
                    Unfortunately all the other recommendations did not help him. Clean reinstall of our products, removal of some of the other products he had that are known to cause some strange issues from time to time, nothing helped. So this was one of the rare times we recommended a full sim reinstall...
                    I figured as much. I know you guys don't recommend doing it unless absolutely nothing else works.
                    Captain Kevin

                    Kevin Yang

                    Comment


                      #11
                      It seems that the realturb add-on does quirky things to some aircraft that have there own turbulence and ground motion effects. I experienced the same situation as stated by the OP flying the NGXu out of KSAN today and caused a potential new episode for Air Disasters. I had to remove the Realturb NA to get the aircraft to behave. It causes the Leonardo Maddog to vibrate violently on take off with the Windshear warning going off bringing a well planned flight to termination. Too many programs doing the same thing is like too many cooks in the kitchen.
                      Victor Green

                      Comment


                        #12
                        Originally posted by Lanica View Post
                        It seems that the realturb add-on does quirky things to some aircraft that have there own turbulence and ground motion effects. I experienced the same situation as stated by the OP flying the NGXu out of KSAN today and caused a potential new episode for Air Disasters. I had to remove the Realturb NA to get the aircraft to behave. It causes the Leonardo Maddog to vibrate violently on take off with the Windshear warning going off bringing a well planned flight to termination. Too many programs doing the same thing is like too many cooks in the kitchen.
                        Interesting. I can't say I've ever had any issues with Realturb when I used it.
                        Captain Kevin

                        Kevin Yang

                        Comment


                          #13
                          Originally posted by Captain Kevin View Post
                          Interesting. I can't say I've ever had any issues with Realturb when I used it.
                          Wish I could say that. I really like the effect the module provides, especially when decending over a mountain range. In the above mentioned scenario the NGXu actually became uncontrollable rolling in the opposite direction of the yoke even though the yoke n the VC moves with my Honeycomb. Maybe I'll put Realturb back in and give it another try.
                          Victor Green

                          Comment


                            #14
                            Originally posted by Lanica View Post
                            Wish I could say that. I really like the effect the module provides, especially when decending over a mountain range. In the above mentioned scenario the NGXu actually became uncontrollable rolling in the opposite direction of the yoke even though the yoke n the VC moves with my Honeycomb. Maybe I'll put Realturb back in and give it another try.
                            Are you using Active Sky by chance, and if so, what do you have your turbulence sliders set at in Active Sky.
                            Captain Kevin

                            Kevin Yang

                            Comment


                              #15
                              Originally posted by Captain Kevin View Post
                              Are you using Active Sky by chance, and if so, what do you have your turbulence sliders set at in Active Sky.
                              Yes. I keep them set pretty low. About 30%. I also use Chase Plane which as you know also has a camera shake. Today I ran the same flight KSAN to KDEN with RealTurb reinstalled with no problem. The only difference is I used default KSAN instead of the LVFR version which was the older one. I don't know. Seems some combination of addons that don't play well together in the more advanced version five. All seems OK now.
                              Victor Green

                              Comment


                                #16
                                So you have three sources of head shaking all running at once. I use AS and chaseplane. And I have disabled one of them moving my head. Stop, think through what is the meaning of your sim, disable and continue.
                                Mats Johansson, PMDG Flight Test, ESSA | P3D v5 | Asus Prime Z270-A, Intel i5-7600K 4.8GHz, nVidia GTX 1070 8GB, 2x8GB gSkill 3600 MHz DDR4

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