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Naval History and Heritage Command

S-584-114 Preliminary Design Plan for a Battleship ... January 18, 1917 Note:

Photo #: S-584-114 Preliminary Design Plan for a Battleship ... January 18, 1917 Note:
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Title: Preliminary Design Plan for a Battleship ... January 18, 1917 Note:
Description: Photo #: S-584-114 Preliminary Design Plan for a Battleship ... January 18, 1917 A preliminary design for a battleship prepared for the General Board. This design represented a step in the development of the South Dakota (Battleship # 49) class design. This modification to an earlier plan (see Photo # S-584-105) differed from the original Scheme 2 in mounting 5-inch guns in six twin turrets and adding two additional guns in casemates for a new total of 20 5-inch guns in the secondary battery. The ship’s funnels, originally separated for reduced overall vulnerability, were trunked together above deck, a feature retained in the final design for South Dakota (see Photo S-584-132). This plan provided twelve 16-inch guns, electric drive machinery, and a speed of 23 knots in a ship 660 feet long on the waterline, 105 feet in beam, and with a normal displacement of 41,500 to 42,000 tons. The original document was a blueprint (white on dark blue). The original plan is in the 1911-1925 Spring Styles Book. U.S. Naval History and Heritage Command Photograph.
Catalog #: S-584-114
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