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A340-600 and Turbulance

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  • nordjet415
    Rank 5 Registered User
    • Oct 2005
    • 133

    A340-600 and Turbulance

    Hi Members

    I have recently flown from Frankfurt to Manila and return with Lufthansa on the A340-600 and was rather impressed with this aircraft, very quiet and quite comfortable, however, being a very long fuslage, I was quite surprised how the plane managed through some moderate turbulance we experienced, It just did not seem in one piece at all, I mean, it felt like parts of the cabin were bending, something I have not experienced before in other aircraft.

    No I was not imagining things, I do know that aircraft are designed to bend a bit, but it just felt completely different to anything I have experienced before.
    I have flown a total of 500 hrs all round the world, I am an experienced flyer and have a good knowledge of aircraft.

    Could it be the shear length of this aircraft that makes it feel like the plane is not in one piece ???

    Anyone else been on a 600srs.

    No doubt the plane is designed for this I guess.

    Regards

    Nordjet 415
  • T5
    T5
    Rank 5 Registered User
    • Jan 2000
    • 6822

    #2
    Since I've just written a flight review, I may as well post a quote from a Virgin Atlantic flight I made back in September from Hong Kong to London Heathrow, operated by an A340-600:

    "The aircraft wobbled slightly as it continued its climb out of Hong Kong. We then made a right turn. The climb continued for a good few minutes before we encountered the worst turbulence Ive ever come across. Obviously, it caused a bit of shock amongst some passengers and made a child start crying and screaming, but it was quite good fun. It lasted about 5 minutes and then suddenly stopped."

    I don't know if the size of the A340 would have anything to do with turbulence being felt more than you might expect. Surely the smaller aircraft are more vulnerable.

    But like I said above, the worst turbulence I have ever felt was on that A340.
    Michael

    Comment

    • Schorsch
      Severely Transonic
      • Aug 2005
      • 3843

      #3
      Originally posted by nordjet415
      Hi Members

      I have recently flown from Frankfurt to Manila and return with Lufthansa on the A340-600 and was rather impressed with this aircraft, very quiet and quite comfortable, however, being a very long fuslage, I was quite surprised how the plane managed through some moderate turbulance we experienced, It just did not seem in one piece at all, I mean, it felt like parts of the cabin were bending, something I have not experienced before in other aircraft.

      No I was not imagining things, I do know that aircraft are designed to bend a bit, but it just felt completely different to anything I have experienced before.
      I have flown a total of 500 hrs all round the world, I am an experienced flyer and have a good knowledge of aircraft.

      Could it be the shear length of this aircraft that makes it feel like the plane is not in one piece ???

      Anyone else been on a 600srs.

      No doubt the plane is designed for this I guess.

      Regards

      Nordjet 415
      The A340 is maybe most flexible aircraft around. Airbus was surprised by it when they first started flight tests and needed to partly redesign the flight control system (more consideration of structural modes).
      Publicly, we say one thing... Actually, we do another.

      Comment

      • -Steph-
        Rank 5 Registered User
        • Jun 2005
        • 163

        #4
        The A346 is equipped with an active control on turbulence and vibration effects.
        I mean, there are accelerometers that measure the amount of displacements in some areas (front cabin, engine pylons...) and collected data are directly sent to flight computers to generate automatic counter-actions through the moving surfaces.
        Maybe this is why the behaviour seems quite unexpected to you.
        www.stephanebeilliard.com
        Aviation - Landscapes - Cities - Digital Painting - CGI

        Comment

        • wysiwyg
          Retard :)
          • Jan 2000
          • 3749

          #5
          I was just about to post about the accelerometers placed all over the airframe which cause the flight control system to 'fly out' the bending movements.
          I consider myself to be a bit of a 'bendy aeroplane' specialist having flown both the A346 and the B753. Being a narrowbody that thing really flexed!

          Comment

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