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Model of South Dakota class battleship.jpg
Model of the South Dakota class battleship
Class overview
Name: South Dakota class battleship
Builders: New York Naval Shipyard
Mare Island Naval Shipyard
Norfolk Naval Shipyard
Newport News Shipbuilding
Bethlehem Shipbuilding Corporation
Operators: US flag 48 stars.svg United States Navy
Preceded by: Colorado-class battleship
Succeeded by: North Carolina-class battleship
Planned: 6
Cancelled: 6
Preserved: 0
General characteristics
Type: Battleship
Displacement: 43,200 tons
Length: 684 ft (208 m)
Beam: 105 ft (32 m)
Draft: 33 ft (10 m)
Speed: 23 knots (43 km/h)
Armament:

The first South Dakota class was a class of six battleships, laid down in 1920 but never completed. Had the Washington Naval Treaty not caused their cancellation, they would have been the largest, fastest, most heavily armed and armored battleships in the US Navy in the period between the two world wars.

The preceding Colorado-class battleships were 624 feet (190 m) long, displaced 32600 tons, had a top speed of 21 knots (39 km/h), and carried a main battery of eight 16-inch (406 mm) guns. Although the Colorados were the largest US battleships of the time, and were the first to carry 16-inch (406 mm) guns, they were the endpoint of the gradual evolution of the "Standard Type" battleships, which also included the Nevada class, Pennsylvania class, New Mexico class, and Tennessee class. The South Dakotas represented a significant increase in size and armament over the Colorados. They would have been 684 feet (208 m) long, displaced 43200 tons, had a top speed of 23 knots (43 km/h), and carried 12 16-inch (406 mm) guns. [1]

The South Dakotas were authorized 4 March 1917, and keels were laid down in 1920. However, as the Washington Naval Treaty restricted both the total allowable battleship tonnage allowed the US Navy, and limited individual ship size to 35000 tons, construction was halted 8 February 1922, and the unfinished hulls (most over 30% completed) were scrapped in 1923.

The South Dakota class was ordered in the same program that created the Lexington-class battlecruisers, two of which were converted to Lexington class aircraft carriers. The Lexingtons made better conversion hulls than the South Dakotas because they were further along in their construction and were designed for a far higher speed.

South Dakota-class Ships

External links

References

  1. ^ [1]
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