Allied Battleships of World War II Naval Terminology beam The most extreme width (or breadth) of a nautical vessel class A group of ships of similar design displacement The weight of the water that a ship displaces when it is floating with its fuel tanks full and all stores aboard draught The vertical distance between the waterline and the bottom of the hull knot Nautical mile (1 knot = 1.150779 miles) pdr Pounder (weight of shell fired by a gun) shaft Propeller shaft shp Shaft horsepower—the power delivered to the propeller shafts Colorado Class Ships Maryland, Colorado, Washington, and West Virginia Launched 1920–1921 Dimensions Length: Beam: Draught: Displacement 32,600 tons Armament Main: 8 x 16in guns Secondary: 12 x 5in guns, 8 x 3in guns, and 2 x 21in torpedoes Machinery 8 boilers, 4 shafts, 26,800shp Speed 21 knots Crew 1,083 men 624ft 97ft 5in 30ft 2in North Carolina Class Ships North Carolina and Washington Launched 1940 Dimensions Length: Beam: Draught: Displacement 37,484 tons Armament Main: 9 x 16in guns Secondary: 20 x 5in guns, 16 x 1.1in guns, and 12 x .5in guns Machinery 8 boilers, 4 shafts, 121,000shp Speed 28 knots Crew 1,880 men 728ft 9in 108ft 4in 33ft South Dakota Class Ships South Dakota, Indiana, Massachusetts, and Alabama Launched 1941-1942 Dimensions Length: Beam: Draught: Displacement 37,970 tons Armament Main: 9 x 16in guns Secondary: 20 x 5in guns and numerous lighter guns Machinery 8 boilers, 4 shafts, 130,000shp Speed 27.5 knots Crew 1,793 men 680ft 108ft 35ft Iowa Class Ships Iowa, New Jersey, Missouri, and Wisconsin Launched 1942-1944 Dimensions Length: Beam: Draught: Displacement 48,110 tons Armament Main: 9 x 16in guns Secondary: 20 x 5in guns, 80 x 1.57in guns, and 50 x .79in guns Machinery 8 boilers, 4 shafts, 212,000shp Speed 33 knots Crew 1,921 men 887ft 108ft 36ft 2in Admiral Class Ships Hood Launched 1918 Dimensions Length: Beam: Draught: Displacement 42,670 tons Armament Main: 8 x 15in guns Secondary: 12 x 5.5in guns, 4 x 4in guns, and 6x 21in torpedoes Machinery 24 boilers, 4 shafts, 144,00shp Speed 31 knots Crew 1,477 men 860ft 105ft 28ft Queen Elizabeth Class Ships Queen Elizabeth, Warspite, Valiant, Barham, and Malaya Launched 1913-1915 Dimensions Length: Beam: Draught: Displacement 27,500 tons Armament Main: 8 x 15in guns Secondary: 16 x 6in guns, 2 x 3in guns, and 4 x 3pdr guns Machinery 24 boilers, 4 shafts, 75,000shp Speed 25 knots Crew 925 men 645ft 9in 90ft 6in 28ft 9in Revenge Class Ships Ramillies, Resolution, Revenge, Royal Oak, and Royal Sovereign Launched 1914-1916 Dimensions Length: Beam: Draught: Displacement 28,000 tons Armament Main: 8 x 15in guns Secondary: 14 x 6in guns and 4 x 21in torpedoes Machinery 18 boilers, 4 shafts, 40,000shp Speed 21 knots Crew 908-997 men 624ft 88ft 6in 28ft 6in Nelson Class Ships Nelson and Rodney Launched 1925 Dimensions Length: Beam: Draught: Displacement 33,313 tons Armament Main: 9 x 16in guns Secondary: 12 x 6in guns, 6 x 4.7in guns, and 2 x 24.5in torpedoes Machinery 8 boilers, 2 shafts, 45,000shp Speed 23 knots Crew 1,314 men 710ft 106ft 33ft 6in King George V Class Ships King George V, Prince of Wales, Duke of York, Anson, and Howe Launched 1939-40 Dimensions Length: Beam: Draught: Displacement 36,727 tons Armament Main: 10 x 14in guns Secondary: 16 x 5.25in guns and 32 x 2pdr guns Machinery 8 boilers, 4 shafts, 110,00shp Speed 28 knots Crew 1,422 men 745ft 103ft 29ft