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[05NOV22] Your Weekend Update and Testing Reports

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    [05NOV22] Your Weekend Update and Testing Reports

    Captains,

    Happy Saturday to all of you.

    Earlier this week we pushed a pretty significant update to the PMDG 737 for Microsoft Flight Simulator product line that was mostly focused on changes to the control law and adapting our engineered flight model so that it can better handle the mathematical instability of the simulated atmospheric model.

    Since rolling it out to you- we have seen some users report back to us with scenarios in which the thrust channel will seem to stumble over it's own feet during descents, so quite a bit of our engineering time this week has been focused on creating replication cases to assist with chasing that down.

    With highly complex, dynamic systems, it isn't uncommon to find scenarios in which the logic can get tripped up by unrealistic behavior from the sim environment- (this is true in every platform with which we have worked) so a bit more engineering time was required to teach the system to identify some of the potential failure modes it might see in the environment. With these changes, the thrust channel now has greater awareness of certain types of transient, spurious data that can cause it to choose an incorrect response to changes in the velocity of the airplane.

    Dr. Vaos pinged me this morning and asked that I push a test build out to the betas with this new set of fixes in order that we can validate them and rapidly push an update to your installations so as to eliminate the issue in the global fleet. I am working on that as we speak. If we find these fixes are stable (they will be) we will udpate you during the week ahead. I am unable to give you an approximate update schedule at this juncture- but we will move it to you as quickly as we can.

    Tablet Testing:
    For those following this topic, the PMDG Universal Flight Tablet goes into testing today, officially. The version we are handing to our testing team gives them the tablet itself, with only the Navigraph & simbrief functionality enabled as we want them to focus their efforts on those two pieces initially. We are doing this in order to shine a brighter searchlight into specific technology areas so that we are more likely to see and resolve specific issues in specific areas.

    Some users have asked if we would roll out the tablet in stages similarly. We are discussing this internally, but haven't decided.

    PMDG 737-900 for MSFS:
    We are still hoping to move this product to beta testing late this coming week. This is still a soft target, and I do anticipate a bit of slop in the 900 schedule still, as we are working on a number of features across three three airplane types and the piece that should have gotten off the the test circuit to clear the way for the 900 are still lingering a bit. I shall keep you informed, however!

    We have some neat new features pending for the 737 line that we haven't been talking about- those will come out in the next couple of update cycles. Lots of goodies coming your way from the development team!

    We hope you are all having a good week. Let us know where you are flying!






    Robert S. Randazzo
    PMDG Simulations
    http://www.pmdg.com



    #2
    I'm happy to read about them right now.
    And I'm glad that they are addressing the problem.

    Likewise, I can't wait to add the 900 to my fleet.

    I would be happy to test with them as I am affected by the problem myself.

    Currently I fly a lot in Sweden and Austria.
    Sven Telljohann

    Comment


      #3
      Thanks Robert

      I really hope we'll see RF leg capability for those cool RNP AR approaches.

      Jordan Collins

      Comment


        #4
        Originally posted by rsrandazzo View Post
        We hope you are all having a good week. Let us know where you are flying!
        Couple of us took the BBJ for a spin from Dinard (LFRD) in North West France to Pointe-à-Pitre (TFFR) Guadeloupe as part of a larger group flight - handled great other than a small AT surge when turning final but switching to manual throttle control sorted that out...

        image.png

        (No edits made)
        Attached Files
        Trevor Hannant

        CPU: Intel(R) Core(TM) i9-10900K CPU @ 3.70GHz
        GPU: Nvidia GTX960 (Yes, really - still!)
        RAM: 32Gb

        Comment


          #5
          Thanks for the update, great to see the tablet in testing!
          Joe Colehouse

          Comment


            #6
            I feel like MSFS gives you a lot headache, this simulation is a bit like an emotional roller coaster, as much good times as frustrations🙄
            Your persistence deserves a thank you, especially during a weekend​
            Cedrice Rive

            Comment


            • rsrandazzo
              rsrandazzo commented
              Editing a comment
              Cedrice- No more so than any other platform. All things being considered- I still like it far more than all others. - RSR

            #7
            First flight since the update. She’s behaving thus far

            CEEFA986-DE4B-44CA-8B46-568654ECA3D1.jpg

            Comment


              #8
              Thank you Robert.
              Harry Nelson
              Dell XPS 12Gen i7-12700k (12core 25mb Cache 3.7 to 5.0Ghz), 16GB DDR5 4400Mhz RAM, Nvidia RTX 3060 12GB LHR, 2TB M.2 NVME SSD + 2TB SATA 7200RPM HDD, 750W PS

              Comment


                #9
                Originally posted by rsrandazzo View Post
                If we find these fixes are stable (they will be) we will udpate you during the week ahead.
                This is what makes a good business.....great!

                Thank you sir!

                Daniel Anziano

                Comment


                  #10
                  Thank you for the update and have a great weekend Robert!
                  Amir Khanevadegi

                  Comment


                    #11
                    Thanks for the updates...
                    You do not have permission to view this gallery.
                    This gallery has 1 photos.
                    Terry O'Brien

                    Comment


                      #12
                      Thanks for update!
                      Kimi Häkkinen

                      Comment


                        #13
                        Thanks you!!
                        José Francisco Ibáñez Moreno 🇪🇸

                        AMD Ryzen 7 5800X // MSI MPG X570 Gaming Edge WiFi // 32GB 3600Mhz RAM // XFX Merc319 AMD Radeon RX6800 XT 16GB // Windows 11

                        Comment


                          #14
                          Thanks again Captain Randazzo! Flying the PMDG B744 from AMS to YYZ.
                          Andreu Escuain


                          i7-10900 @ 3.60 GHz - be quiet! Dark Rock 4 - HyperX Kingston 32GB RAM @ 3200 MHz DDR 4- 2TB m.2 SSD WD Blue - MSI GeForce GTX 2080 Super 8GB GDDR

                          Comment


                            #15
                            since you asked, just landed here...

                            737 KBOS 03.jpg
                            ----------------------------------------

                            Brent Houston
                            Brent Houston
                            CPL SEL, MEL, SEA, IFR / CPL HELO

                            Comment


                            • rsrandazzo
                              rsrandazzo commented
                              Editing a comment
                              Brent- My home town! Well... not Boston proper, but i was born/raised just west of KBED. :-) - RSR

                            • ravenn
                              ravenn commented
                              Editing a comment
                              I've got family from Lexington - used to go out there quite a bit when I was a kid. Long overdue for a Boston visit, though

                            #16
                            oh wow thank you for keeping us posted Robert; great things are coming our way!
                            PS: I noticed that the MCDU circuit breaker behind the capt seat is red collard, but CDU is operational, just as curiosity looking thru the window wing view. I found the discrepancy
                            Rolando Olmo

                            Comment


                            • Want2BFlyin
                              Want2BFlyin commented
                              Editing a comment
                              I'm fairly certain that you mistyped, but I doubt the circuit breaker that you saw was for the MCDU since that is an Airbus component that is not found on Boeing aircraft.

                            • Boeing 25-01
                              Boeing 25-01 commented
                              Editing a comment
                              Actually MCDU is correct. Multi-Function Control and Display Unit, Boeing uses this acronym as well when talking about the box AKA CDU.

                            • Want2BFlyin
                              Want2BFlyin commented
                              Editing a comment
                              I stand corrected. I looked through the 737 FCOM and found a reference to a "multipurpose control display unit." I guess Boeing did pick up something from Airbus after all.

                            #17
                            Originally posted by PelicanEagle View Post
                            oh wow thank you for keeping us posted Robert; great things are coming our way!
                            PS: I noticed that the MCDU circuit breaker behind the capt seat is red collard, but CDU is operational, just as curiosity looking thru the window wing view. I found the discrepancy
                            Double post.
                            Last edited by Boeing 25-01; 06Nov2022, 05:17. Reason: Wrong reply.
                            Angelo Cosma

                            Comment


                              #18
                              many thanks to your team for the hard work! thank you for the wonderful hours of our hobby with pmdg. good luck to your team. I'm really looking forward to a big baby 777)
                              Misha Sarmatov
                              FO 737
                              CPU: i7-11700K CPU @ 3.70GHz
                              GPU: Nvidia RTX3080 10Gb
                              RAM: 32Gb​

                              Comment


                                #19
                                Thanks for keeping us in the loop Robert, looking forward to all the goodies in the works!!
                                Zsolt Szivak

                                Comment


                                  #20
                                  Thank you for the update Captain. Looking forward to updates on the PMDG 777 for Microsoft Flight Simulator
                                  Thomas Allensworth,
                                  KCRQ
                                  Carlsbad
                                  Cessna 310R and PMDG enjoyer

                                  Comment


                                    #21
                                    "Some users have asked if we would roll out the tablet in stages similarly. We are discussing this internally, but haven't decided"


                                    Oh yes please! This would be so nice!
                                    Paul H.

                                    Comment


                                    • ThomasALW
                                      ThomasALW commented
                                      Editing a comment
                                      With how much the tablet has been delayed I think it would be better for PMDG's reputation if they released the tablet a few weeks later with the full suite of features rather than just having Navigraph and Simbrief initially... a tablet that landed much later than other developers' but with less features...

                                    #22
                                    First time firing up MSFS2020 in ages. Did a Ryanair flight from EIDW LEAL recreating my holiday flight in April of this year.
                                    Jude Bradley
                                    System specs: Windows 10 Pro 64-bit, i9-9900KF Gigabyte Z390, RTX-2070, 32GB RAM Prepar3D V5 X-Plane 11.50 Beta tester for MS2020
                                    http://downloads.pmdg.com/forum/Signatures/PMDG_Banner_777_Pilot.jpg

                                    Comment


                                      #23
                                      Thanks for the update, boss. It'd make more sense to release the tablet when it's finished rather than in chunks. The latter will just create extra noise from those who nag excessively and those that don't tend to read release notes. Far better to follow the usual PMDG mantra of "when it's ready" and release a finished product. After all, the lack of a tablet doesn't prevent anyone from enjoying the 737 as it stands.
                                      Bill Casey

                                      Comment


                                        #24
                                        Any news on the update to the navdata format?
                                        Alex Pugh

                                        Comment


                                          #25
                                          Good news!
                                          Lei Zhang

                                          Comment


                                            #26
                                            Yesterday, I flew the -700 from San Jose to San Diego at FL390. When I'm passing T/D, I get the RESET MCP ALTITUDE message, and VNAV will slow down to 200kts. Still waiting for the in-game ATC to issue instructions for the decent to start. At this speed at altitude, it will bounce off the stick shaker repeatedly, and generally be in a very unstable state.

                                            After finally getting the ATC call about 5 minutes later, I set the new MCP altitude, and VNAV increases the speed for the decent and descends as expected.

                                            Is this normal behavior for VNAV on the 737? Or is this experience related to the testing reports detailed in this update?

                                            --Tim McConnell
                                            -- Tim McConnell

                                            Comment


                                            • CDrive
                                              CDrive commented
                                              Editing a comment
                                              The solution to circumvent this atc situation is to request a lower flight level the maximum is 10000ft but you can do it several times. Either way the ATC will eventually give you descent at some point.
                                              It's good that VNAV lowers the speed automatically. Because any pilot would do that if ATC held you high. Then increase the speed in order to gain vertical speed and catch up with the vertical path

                                            #27
                                            For me personally, the tablet issue doesn't worry me too much, the 737 NGs started flying long before they appeared, although I don't deny that it will be welcomed by me. What really matters to me is that the aircraft's own systems work properly, and they do so wonderfully, even if minor problems arise from time to time.

                                            So I'm dedicated to enjoying Mr. Randazzo's posts. I love reading him.​
                                            Gerardo Cabezon

                                            Comment


                                              #28
                                              Originally posted by TheTimob View Post
                                              Yesterday, I flew the -700 from San Jose to San Diego at FL390. When I'm passing T/D, I get the RESET MCP ALTITUDE message, and VNAV will slow down to 200kts. Still waiting for the in-game ATC to issue instructions for the decent to start. At this speed at altitude, it will bounce off the stick shaker repeatedly, and generally be in a very unstable state.

                                              After finally getting the ATC call about 5 minutes later, I set the new MCP altitude, and VNAV increases the speed for the decent and descends as expected.

                                              Is this normal behavior for VNAV on the 737? Or is this experience related to the testing reports detailed in this update?

                                              --Tim McConnell
                                              Check your cruise altitude using the CRZ button. I found setting it in there dealt with the same issue you are experiencing.
                                              William (Col) Wallace

                                              Comment


                                                #29
                                                Originally posted by rsrandazzo View Post

                                                PMDG 737-900 for MSFS:
                                                We are still hoping to move this product to beta testing late this coming week. This is still a soft target, and I do anticipate a bit of slop in the 900 schedule still, as we are working on a number of features across three three airplane types and the piece that should have gotten off the the test circuit to clear the way for the 900 are still lingering a bit. I shall keep you informed, however!
                                                Three air types...

                                                900, 900ER and ???

                                                Could we be getting the BBJ3 after all?
                                                Andrew Hill
                                                i9-9900KS 64GB Dual RTX 2080 Super
                                                P3D V5 & MSFS 2020

                                                Comment


                                                  #30
                                                  Originally posted by Hilly32 View Post

                                                  Three air types...

                                                  900, 900ER and ???

                                                  Could we be getting the BBJ3 after all?
                                                  I believe he's referring to the 600/700/800
                                                  Regards, Steve Dra
                                                  Click here to download my P3D, FSX, 2004 paints at Avsim
                                                  Get my paints for MSFS planes at flightsim.to here

                                                  Comment


                                                  • Hilly32
                                                    Hilly32 commented
                                                    Editing a comment
                                                    That obviously makes more sense, yes...
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