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View Diary: How Airliners Work - Weight and Balance (160 comments)

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  •  A friend flew F-4's in VietNam... (1+ / 0-)
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    RiveroftheWest

    ...and he described flying the aircraft in ground effect over the ocean at about 350 or 400 kts, the altimeter in the aircraft had a different set of lines on the face as it got closer to "0"...

    He described using the shock wave and gigantic rooster-tail to capsize NVA patrol boats....

    The rooster tail was a sight to behold, from above it looks like a cross between a slot car and a cigarette boat ocean-racer on acid, the tail would go up a couple hundred feet in the air and race across the water like a cartoon, the plane being nearly invisible compared to the giant rooster tail...

    "Ronald Reagan is DEAD! His policies live on but we're doing something about THAT!"

    by leftykook on Thu May 09, 2013 at 08:45:00 AM PDT

    [ Parent ]

    •  ??? (1+ / 0-)
      Recommended by:
      leftykook

      Here are some low-altitude shock waves, and plenty of prandtl-glauert singularities, but not much by way of rooster tails, even from an F-18 blue angel on a dozen feet or so above the water. :-(

      •  Great vid link (0+ / 0-)

        The aircraft shown do not appear to be flying much faster than 200 or 250 kts and not quite as low as "Bob" described in his hangar tales.

        One of the passes looks like it's disturbing the water pretty substantially in spite of the restrained speed being used, tho there's little evidence of a rooster tail, giant or otherwise (keep in mind that "Bob" is an aviator for catssake)...

        Someone sent me a link a few years ago of a Navy fighter doing a supersonic flyby of a carrier out at sea, at about flight deck height above the water, and that vid is much more dramatic than these images...

        "Ronald Reagan is DEAD! His policies live on but we're doing something about THAT!"

        by leftykook on Fri May 10, 2013 at 06:35:20 AM PDT

        [ Parent ]

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