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HSI / VOR1 Misalignment

Scheduled Pinned Locked Moved PA-28R Arrow III
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  • S Offline
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    Sender46
    wrote on last edited by Sender46
    #3

    I just flew again with NAV mode definitely selected on the hidden clickspot and the HSI / VOR1 are still misaligned.
    For example, with 189 set on VOR1 the HSI CDI is on 204 degrees. This is 45 miles from the VOR (OTH 112.1).

    Is anybody else seeing this error?

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    • N Offline
      N Offline
      N293WK
      wrote on last edited by
      #4

      There is definitely something going on here. Ignoring the VLOC/GPS setting, the NAV1 radial and HSI pointer don't align. This is easier to diagnose with cockpit tooltips turned on, so you can see what the actual setting is while turning it.

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      • N Offline
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        N293WK
        wrote on last edited by
        #5

        Here's a demonstration of the offsets in the 4 compass directions:

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        • N N293WK

          There is definitely something going on here. Ignoring the VLOC/GPS setting, the NAV1 radial and HSI pointer don't align. This is easier to diagnose with cockpit tooltips turned on, so you can see what the actual setting is while turning it.

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          Sender46
          wrote on last edited by
          #6

          @vcapra1 The error is there regardless of whether NAV mode or GPS mode are selected on the hidden clickspot.

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          • MartynM Offline
            MartynM Offline
            Martyn
            JF Staff
            wrote on last edited by
            #7

            This will be fixed in the next update.

            Martyn - Development Manager

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            • MartynM Martyn

              This will be fixed in the next update.

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              N293WK
              wrote on last edited by
              #8

              @Martyn Yay! This update gets more exciting every day

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              • MartynM Martyn

                This will be fixed in the next update.

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                Sender46
                wrote on last edited by Sender46
                #9

                @Martyn Thank you. I love how the change log keeps getting longer :)

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                • S Sender46

                  @Martyn Thank you. I love how the change log keeps getting longer :)

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                  Cristi Neagu
                  wrote on last edited by
                  #10

                  @Sender46 This next update is going to be epic. So many fixes and so many QoL improvements.

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                  • N Offline
                    N Offline
                    N293WK
                    wrote on last edited by
                    #11

                    This seems to still be an issue in 0.4

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                    • N N293WK

                      This seems to still be an issue in 0.4

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                      Sender46
                      wrote on last edited by Sender46
                      #12

                      @vcapra1 It's pretty close me with v0.4.0a. Only 1 degree out now (e.g. 330 on VOR1 & 329 on HSI). Maybe a little tweak needed (being nitpicky).

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                      • N Offline
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                        N293WK
                        wrote on last edited by
                        #13

                        The HSI is spot on (give or take a degree, but that's fine). But the NAV1 radial is still off by 3-4 degrees at 180, and off by 1-2 degrees at 90 and 270:

                        image

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                        • N N293WK

                          The HSI is spot on (give or take a degree, but that's fine). But the NAV1 radial is still off by 3-4 degrees at 180, and off by 1-2 degrees at 90 and 270:

                          image

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                          N293WK
                          wrote on last edited by
                          #14

                          Strangely, NAV2 is also off but less so:
                          image

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                          • N N293WK

                            Strangely, NAV2 is also off but less so:
                            image

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                            Sender46
                            wrote on last edited by
                            #15

                            @vcapra1 So what you're saying is the HSI needle matches the VOR1 needle (within a degree) but the Cockpit Tooltips don't match the VOR needles?

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                            • N Offline
                              N Offline
                              N293WK
                              wrote on last edited by
                              #16

                              No, sorry. I'm basing this off the tooltips being 100% accurate, so the HSI matches the tooltips almost exactly, but the NAV ones do not. It can be concluded from this that the HSI and NAV don't match up at all times (the effect is most dramatic at 180, which is why I show that)

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                              • N N293WK

                                No, sorry. I'm basing this off the tooltips being 100% accurate, so the HSI matches the tooltips almost exactly, but the NAV ones do not. It can be concluded from this that the HSI and NAV don't match up at all times (the effect is most dramatic at 180, which is why I show that)

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                                Sender46
                                wrote on last edited by
                                #17

                                @vcapra1 That might explain why my navigation is a bit off when I compare my flight path with the flight plan on Little Navmap. Have you raised a ticket?

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                                • S Sender46

                                  @vcapra1 That might explain why my navigation is a bit off when I compare my flight path with the flight plan on Little Navmap. Have you raised a ticket?

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                                  N293WK
                                  wrote on last edited by
                                  #18

                                  @Sender46 Just submitted a ticket

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                                  • N N293WK

                                    No, sorry. I'm basing this off the tooltips being 100% accurate, so the HSI matches the tooltips almost exactly, but the NAV ones do not. It can be concluded from this that the HSI and NAV don't match up at all times (the effect is most dramatic at 180, which is why I show that)

                                    S Offline
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                                    Sender46
                                    wrote on last edited by
                                    #19

                                    @vcapra1 said in HSI / VOR1 Misalignment:

                                    ... I'm basing this off the tooltips being 100% accurate ...

                                    I concur with that. I just navigated a flight using the tooltip numbers and the flight path accurately followed the flight plan on Little Navmap. Like you say, the VOR dials are still inaccurate and more so at around 180 degrees. It's as if maybe the point that the VOR dials are rotating around is not their exact centre?

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                                    • N Offline
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                                      N293WK
                                      wrote on last edited by
                                      #20

                                      Just realized that the heading indicator itself is showing the incorrect heading. For, example, if I point 090 degrees (as shown on the external camera indicator), this is what I see:
                                      c247004c-8fdf-4388-a652-cbd689bb556a-image.png

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                                      • W Offline
                                        W Offline
                                        weptburrito
                                        wrote on last edited by
                                        #21

                                        Maybe they just need to add a compass deviation card?

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                                        • N N293WK

                                          Just realized that the heading indicator itself is showing the incorrect heading. For, example, if I point 090 degrees (as shown on the external camera indicator), this is what I see:
                                          c247004c-8fdf-4388-a652-cbd689bb556a-image.png

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                                          Sender46
                                          wrote on last edited by Sender46
                                          #22

                                          @vcapra1 said in HSI / VOR1 Misalignment:

                                          Just realized that the heading indicator itself is showing the incorrect heading. For, example, if I point 090 degrees (as shown on the external camera indicator), this is what I see:

                                          Or maybe the external camera indicator is wrong as well, in which case I don't care about that.

                                          The HSI does match the HSI tooltip, which also matches the VOR tooltip. It seems to be the VOR itself that is inaccurate for me and that varies depending on the direction.

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