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    AV-8B Differential braking issue

    Technical Support (BMS Only)
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    • Obi1
      Obi1 last edited by

      Hello there,

      I was taxiing the AV-8B in Nordic theater and had issues with the differential braking.
      When pressing right it was actually behaving like pressing left. Pressing left felt like pressing both together.
      I don’t have issues in other planes with the braking.

      Now my question, is this also in stock KTO this issue? Can somebody that uses the AV-8B a lot tell me if they see this issue too?

      And other question, what parts can be changed in files to fix wheel braking issues, so we could fix this if its a Nordic only issue.

      Thanks and Cheers

      Obi1

      Intel P5Q E8600 [email protected]
      8 Gb DDR2 Black Dragon Evo One 1066FSB, 512 Gb SSD 840 Pro,
      ATI R9 280X XFX Eyefinity 4x, TrackIr 5, TM Warthog, Saitek ProFlight Cessna Rudders,
      JetSeat, 2xMFD, ICP, G19 Keyboard, G13 Keypad, Voice Command, Windows 7 64 bit

      1 Reply Last reply Reply Quote 0
      • Tass
        Tass last edited by

        It’s not only Nordic Obi, It happens to me as well when i fly it in other Theaters

        T 1 Reply Last reply Reply Quote 0
        • T
          Thaeris @Tass last edited by

          Should the Harrier II even have differential braking? You have a nose gear, the main gear, and the outriggers. The outriggers could not rationally have brakes, and if they did, I think they’d put a lot of stress on the unit doing the braking. If the main gear has differential braking, you’re going to have next to little torque from braking to assist in turning, but perhaps even that little bit helps.

          Tulkas 1 Reply Last reply Reply Quote 0
          • Tulkas
            Tulkas @Thaeris last edited by

            The main gear is on the center line, no effective differential breaking at all.

            Obi1 1 Reply Last reply Reply Quote 0
            • Obi1
              Obi1 @Tulkas last edited by

              Then I expect left or right toe brake to create the same result, but the right swings the aircraft to one side, the left works as without differential.
              Well guess I just need to use only my left foot for braking for now.

              Intel P5Q E8600 [email protected]
              8 Gb DDR2 Black Dragon Evo One 1066FSB, 512 Gb SSD 840 Pro,
              ATI R9 280X XFX Eyefinity 4x, TrackIr 5, TM Warthog, Saitek ProFlight Cessna Rudders,
              JetSeat, 2xMFD, ICP, G19 Keyboard, G13 Keypad, Voice Command, Windows 7 64 bit

              Mav-jp 1 Reply Last reply Reply Quote 0
              • Mav-jp
                Mav-jp @Obi1 last edited by

                try this 🙂

                #GEAR GEOMETRY

                XpositDOWN YpositDOWN ZpositDOWN XpositUP YpositUP ZpositUP ANGLE

                -13.863 0 6.254 -13.00 0 3.0 0

                -27.087 -8.322 6.130 -27.087 8.322 3.0 0

                -27.087 +8.322 6.130 -27.087 8.322 3.0 0

                -29.161 0.0 6.500 -29.161 -0.8 3.0 0

                Obi1 1 Reply Last reply Reply Quote 0
                • Obi1
                  Obi1 @Mav-jp last edited by

                  Thanks Mav-JP This was the answer I was hoping for!Will test this as soon as possible.Really appreciate it!Cheers Obi1

                  Intel P5Q E8600 [email protected]
                  8 Gb DDR2 Black Dragon Evo One 1066FSB, 512 Gb SSD 840 Pro,
                  ATI R9 280X XFX Eyefinity 4x, TrackIr 5, TM Warthog, Saitek ProFlight Cessna Rudders,
                  JetSeat, 2xMFD, ICP, G19 Keyboard, G13 Keypad, Voice Command, Windows 7 64 bit

                  white_fang 1 Reply Last reply Reply Quote 0
                  • white_fang
                    white_fang @Obi1 last edited by

                    Then you should adjust the second part too, right? , because in original file gears were in different order.

                    #   maxdispl prestress Stif(K) Elasti(F) Stif2(K2) Defzone1 latfrict slippct wheelfrict BRAKEfric ANGSLIP ANGBREAK TireLatelasticity TireLonglasticity
                    #
                        2.0  0.0    15560      1500     35000   0.2 0.020   0.75    0.003       0   130 140 0.0005      500
                    #
                        3.5  0.0    20000      2000     2000    0.2 0.035   0.75    0.003       0.5 5.0 140.0   0.0005      500
                    #
                        3.5  0.0    20000      2000     2000    0.2 0.035   0.75    0.003       0.5 5.0 140.0   0.0005      500
                    #
                        3.5  0.0    25500      2000     20000   0.2 0.035   0.75    0.003       0.5 5.0 140.0   0.0005      500
                    #
                    
                    

                    …
                    but I’ve just checked in compare to the Balkans, afm’s are the same , and I don’t have problems with differential pedal braking, even on carrier, ….wtf…

                    what theatre are you referring to , (last) “Polar vortex” ?

                    What should be the order for gears on more then >3 gears plane? front/l/r/center ?

                    Thanks

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