These were very similar to the Hatsuharus but with a narrower and deeper hull and greater displacement (1,710 tons).
Featuring a greater displacement and a host of improvements, the R-1820 entered production in 1931.
Swordfish kept the same main dimensions as Laurenti's original design, but had a greater displacement and less endurance.
The '54 models had a more powerful version of the Hudson six with slightly greater displacement.
These boats were 1 m longer and had a greater displacement than the previous boats.
This is provided by a 'chined' (less rounded) hull, greater displacement, and proportionally smaller sail area.
If both towers were the same height, Bedum's would have a greater displacement by 6 cm.
The larger the masses of the small particles facing the big one, the greater the displacement from the flow streamline.
This included anti-torpedo blisters giving them broader beams, greater displacement and thicker deck armor.
After the war, Hall says: "There was a great displacement of home.