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  • White smoke coming out of a Tornado?...

    At about 5:33 into this video: http://www.youtube.com/watch?v=8zT4F...feature=relmfu

    What's that white smoke from??

  • #2
    Itīs seems some kind of bleed air coming from the compressor.

    Cheers!!

    Comment


    • #3
      I was an engine man on tornado's and this is indeed bleed air from the engine compressors, which has been used to pressurize the Labyrinth seals of the engine bearings. the air pressure is greater than the oil pressure, so the oil is retained in the engine oil return system, the oil/air mix is then sent though a separator, but not all the oil is capable of being removed though and this smoke is actually a fine oil mist contained in the vented air.
      http://en.wikipedia.org/wiki/Labyrinth_seal

      Comment


      • #4
        Originally posted by Roy C View Post
        I was an engine man on tornado's and this is indeed bleed air from the engine compressors, which has been used to pressurize the Labyrinth seals of the engine bearings. the air pressure is greater than the oil pressure, so the oil is retained in the engine oil return system, the oil/air mix is then sent though a separator, but not all the oil is capable of being removed though and this smoke is actually a fine oil mist contained in the vented air.
        http://en.wikipedia.org/wiki/Labyrinth_seal
        By the way, this is the same that happens when during take off the pilot cut afterburners and we see some kind of smoke spraying out on the back of the aircraft, or itīs fuel not burned?.

        Cheers.

        Carras

        Comment


        • #5
          Originally posted by carras320 View Post
          By the way, this is the same that happens when during take off the pilot cut afterburners and we see some kind of smoke spraying out on the back of the aircraft, or itīs fuel not burned?.

          Cheers.

          Carras
          where from? the exhaust or underneath?

          Comment


          • #6
            Originally posted by carras320 View Post
            pilot cut afterburners and we see some kind of smoke spraying out on the back of the aircraft, or itīs fuel not burned?.
            That is unused fuel from the burner feed lines (up to 50 kg) that es being vented outboard.

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