Number 13-class battleship
Class of ship
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The Number 13-class battleship was a planned class of four fast battleships to be built for the Imperial Japanese Navy during the 1920s. The ships never received any names, being known only as Numbers 13–16. Wikipedia
Armor: Waterline belt: 330 mm (13 in); Deck: 127 mm (5 in)
Displacement: 47,500 t (46,700 long tons) (normal)
Planned: 4
Speed: 30 knots (56 km/h; 35 mph)