USS South Dakota,
Battleship (BB-49)
Act of 4 March 1917:

"._._. Of the vessels autyhorized in the 'Act ._._.' approved August twenty-ninth, nineteen hundred and sixteen, the construction of the following vessels shall be bugun as soon as practicable at a cost exclusive of armor and armament not to exceed the following amounth" Three battleships, $15,000,000 each;. ._._."

South Dakota (BB-49) was laid down on 15 March 1920 by the New York Navy Yard. Although she was to be the name ship of a new class of six 43,200-ton battleships, her consturction was suspended on 8 February 1922 in accordance with the provisions of the Washington Treaty limiting naval construction. Her unfinished hull, 38.5#% completed, was sold on 25 October 1923 for scrapping on the slipway to Steel Scrap Corp. of Philadelphia, Pensylvania; and her name was struck from the Navy list on 10 November 1923. Her scrapping was reported completed on 15 November 1924.
USS South Dakota, Battleship (BB-49) Specifications
1922
  • Length Overall: 684'
  • Extreme Beam: 106'
  • Normal Displacement:
    • Tons: 43,200
    • Mean Draft: 33'4"
  • Designed Complement: 1,351
  • Armor:
    • Belt: 13.5"
    • Turrets: 18"
    • Deck:
      • 2nd: 3.5"
      • 3rd: 1.25"
    • Conning Tower: 16"
  • Designed Speed: 23
  • Designed Shaft Horsepower: 60,000
  • Engines:
    • Manufacturer: Westinghouse.
    • Type: Turbine, electric drive.
  • Screws: 4
  • Class: South Dakota
Armament:
  • Main:
    • (12) 16"/50
  • Secondary:
    • (16) 6"/53
    • (6) 3"/50 AA
  • Torpedo Tubes:
    • (2) 21" submerged
Bibliography
Larry W. Jewell, Who's Who of United States Battleships, (Internet publication), edition: 30 August, 1993.
James L. Mooney, Dictionary of American Naval Fighting Ships, (Washington, D.C.: U.S. Government Printing Office, 1964), Vol.1 -- A-B, p. 197
James L. Mooney, Dictionary of American Naval Fighting Ships, (Washington, D.C.: U.S. Government Printing Office, 1968, Reprint 1976), Vol.6: R-S, p. 561

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