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Thank you for this explanation. I am not sure I understand it completely, since Destriero had a fuel load of almost half her displacement and must have used more than 50 % dynamic lift most of her transatlantic journey?
But in general terms I understand what you are saying, that a hull can be considered semi-displacement regardless of details like chine and V-shape.
For me, a semidisplacement hull is almost the same as a displacement hull, with the difference that it has a straight cut off stern which allows the hull to release the water and add speed but still not with a shape allowing it to plane.
This is why I bought the idea of Destriero as a semidisplacement yacht since her dimensions in a multiple maybe allowed her to go 60 knots without planing?
I have a lot of information on her but nothing that really explains why she is called semidisplacement and not considered a planing yacht.
Finally, Bravo Romeo must stand for Blue Riband, or?
/Lars
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