BANK SUCTION/CUSHION

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REFERENCES: MSI STUDENT GUIDE

Notes:

THE MOVIE THAT FOLLOWS SHOWS THIS PHENOMENA WITH DRAMATIC CLARITY. THE CUSHION IS CAUSED BY THE INCREASED WATER PRESSURE AT THE BOW, THE SUCTION IS CAUSED BY THE DECREASED WATER PRESSURE AT THE STERN.

REMEMBER YOU DON’T HAVE TO BE WITHIN CLOSE PROXIMITY OF VISIBLE HAZARDS TO EXPERIENCE THESE EFFECTS. THIMBLE SHOALS CHANNEL IS EFFECTIVELY A “BANK”.