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    Re: An entertaining navigation error
    From: Frank Reed
    Date: 2014 May 22, 10:25 -0700

    Geoffrey, you wrote:
    "That ship stopped suspiciously fast. I wonder if it was a model? Perhaps a training ship as used for training ships officers? They have them at a training school in the South of England (Hamble?) and they are about 20ft long and very realistic....​"

    I considered various options for illusion here, including scale, but I'm convinced it's real. This isn't a big ship. It's maybe 225 feet long. I would estimate its speed at about 22 feet per second or 15 mph (13 knots). If this vessel has a strong bow, and if it struck a solid rock wall, both reasonable assumptions for a vessel in a Norwegian fjord, then that abrupt stop would make sense. I think it's important to remember that 15 mph just isn't all that fast. If you drop a rock from 8 feet, it's travelling at 15 mph or so just as it strikes the ground. The crew aboard this vessel would have experienced impacts against bulkheads equivalent to falling from 8 feet. If the stopping distance was one foot, then were looking at decelerations of about 8 g's --potentially bone-breaking but only if we're unlucky. Also, you can see some small object strike the water in the foreground at a high angle (based on the splash) about two seconds after impact. This, too, seems consistent with the collision.

    -FER

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