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  6. Fuel Flow Reading Mismatch: Analog vs. TDS

Fuel Flow Reading Mismatch: Analog vs. TDS

Scheduled Pinned Locked Moved Caravan Professional
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  • hangar_101H Offline
    hangar_101H Offline
    hangar_101
    wrote last edited by
    #1

    I noticed that in the Caravan Pro (Black Square) for FS2024 there’s a discrepancy in the fuel flow readings. The analog fuel flow gauge matches the POH values perfectly, but the TDS GTN750Xi shows numbers that are noticeably lower than expected. Does anyone know why there’s such a difference between the two indications?

    f4059c5e-db10-4b6d-8442-c5800c062712-image.png

    Hangar 101

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    • Black SquareB Offline
      Black SquareB Offline
      Black Square
      Black Square Developer
      wrote last edited by
      #2

      Given that the difference is 11.6lbs, I suspect the TDS is reading gallons per hour and converting it to AVGAS lbs instead of Jet-A lbs. There is probably a menu option in the TDS to set the aircraft's fuel type.

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