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  5. Bleed air start realism?

Bleed air start realism?

Scheduled Pinned Locked Moved Avro Vulcan B Mk. 2, K.2 & MRR
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  • H Offline
    H Offline
    hazzer111
    wrote last edited by
    #1

    I have noticed that using the bleed air it is possible to start all engines at the same time. I assume this isn't actually accurate as there wouldn't be enough pressure to allow that?

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    • MarkM Offline
      MarkM Offline
      Mark
      JF Staff
      wrote last edited by Mark
      #2

      With one engine started in the real aircraft, it is possible to use cross-bleed to start the remaining engines. The running engine would need to be set to 70% rpm to start one of the other engines, or set to 90% rpm to start the three remaining engines simultaneously.

      The Rapid Start system can also be used to start each engine individually or start all four engines simultaneously.

      All of the above is simulated in the product.

      Hope that helps.

      Mark - Just Flight

      Just Flight Development Assistant

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      • H Offline
        H Offline
        hazzer111
        wrote last edited by
        #3

        Thanks Mark,

        It seems that in the sim it is possible to just start all of the engines at the same time, regardless of bleed air positions with the aarp and Palouste running. I'm not at my pc now but I think even with them off/disconnected the engines will start with the bleeds off. Again I could be wrong as I'm away for a while I cannot check.

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        • MarkM Offline
          MarkM Offline
          Mark
          JF Staff
          wrote last edited by
          #4

          Looking through the real aircraft manuals, it's quite vague with regards to single/simultaneous engine starts with the AAPP or Palouste connected, so to be honest, I'm not entirely sure what would be possible in the real aircraft in that situation.

          What we'll do is we'll log this on our internal feedback tracker, and we'll ask the opinion of some of our contacts who have hands-on experience with the real aircraft. If something needs to be changed here, we'll make sure it gets implemented in the next update to the Vulcan.

          Mark - Just Flight

          Just Flight Development Assistant

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          • H Offline
            H Offline
            hazzer111
            wrote last edited by hazzer111
            #5

            Thanks Mark, appreciate it!
            Really love these classic aircraft we wouldn't usually get!

            Ps: the Canberra brought over to msfs would be amazing 🙂

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            • D Offline
              D Offline
              Delta558
              Developer
              wrote last edited by
              #6

              I've spoken to one of the engineering team at XM655 and have fed back to Mark via email. The Palouste should only be able to start the one engine, for that it's already running at about 3500rpm (but of course, no self-respecting V-bomber pilot would leave the engine air switches all open for a Palouste start now, would they . . . )

              I'll second your request for the Canberra - was great working on that and have a mass of handling details from Dave Piper who had a ridiculous number of hours in various marks of Canberra and flew 135 for its year on the display circuit as a civilian aircraft. One day, maybe!!!

              Just Flight FDE developer

              H 1 Reply Last reply
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              • D Delta558

                I've spoken to one of the engineering team at XM655 and have fed back to Mark via email. The Palouste should only be able to start the one engine, for that it's already running at about 3500rpm (but of course, no self-respecting V-bomber pilot would leave the engine air switches all open for a Palouste start now, would they . . . )

                I'll second your request for the Canberra - was great working on that and have a mass of handling details from Dave Piper who had a ridiculous number of hours in various marks of Canberra and flew 135 for its year on the display circuit as a civilian aircraft. One day, maybe!!!

                H Offline
                H Offline
                hazzer111
                wrote last edited by
                #7

                @Delta558 thanks for checking! Of course not, but knowing pilots making error (which is how I ended up even thinking about this) 😅

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