To: | "triumphs" <triumphs@autox.team.net> |
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Subject: | Re: SQUAT |
From: | "Andy" <amdixon@erols.com> |
Date: | Fri, 18 Jun 1999 14:48:50 -0400 (EDT) |
Cc: | "SPITFIRES" <spitfires@autox.team.net> |
Your telling us that Queen Elizabeth II squats? The Royal Family would have us believe She doesn't even pee!!! Andy On 06/18/99 01:51 PM Arthur H. Smith said... > > >Last night I watched a program about the investigation into when the QE ll >ran aground off Marthas Vineyard. The Captain and pilot both followed >proper procedure and the only thing left was the charts showing the depth >at 39 feet. The QE ll has a draft of 32 feet so there should have been >adequate clearance. At first it was thought the charts could be wrong so >NOAA redid the depth sounding and found a few spots a little less than 39 >feet in depth. > >The final finding was, as a ship moves through the water the force of the >water moving under the ship creates a hole around the ship in the water and >the ship actual sinks. While the water level along the water line stays the >same the depression at the water line is closer to the bottom. This >phenomenon is called "squat," so as a ship moves it squats down in the >water. The full extent of the effect was not totally understood so at 25 >knots the QE ll sank 8 feet and the 7 feet of clearance disappeared. Hence >it ran aground in water that was 39 feet deep. > >It ended with the announcer saying that after 20 years experience the >captain of the QE ll didn't know "squat." |
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