South Dakota Class Battleships (1918) Class Overview

Design dimensions, machinery and performance

Length:
684'
Engines:
2 steam turbines with single reduction gear coupled
to two 3 phase generators (28 kv ea.) powering
two 11.2 kw electric motors
Beam:
105' 6"
Boilers:
16 Babcock & Wilcox (oil fired)
Draft:
32' 8'
Shafts:
4
Displacement:
43,200 std. / 47,000 full
SHP:
60,000
Speed:
23
Crew:
1,300+
Range:
N/A


Armament as designed
Number Carried
Type
Arrangement
Maximum Range / Ceiling
12
16"/50 (406mm)
4 triple turrets
45,100 yards @ 46° (25.6 miles)
2,100 lb. armor piercing shell
(as coastal artillery)

16
6"/53 (152mm)
single mounts
25,300 yards @ 30° (14.3 miles)
105 lb. armor piercing shell

6
3"/50 (76mm)
single mounts
14,600 yards @ 43° (8.2 miles)
13 lb. HE shell

2
21" (533mm)
torpedo tubes
broadside
submerged
7,000 yards @ 27 knots (3.9 miles)
210 lb. TNT warhead


Name
Builder
Launched
Commissioned
New York Naval Shipyard
Brooklyn, New York

N/A
N/A
Fate
Sold for Oct. 25, 1923 to the Steel Scrap Co. Philadelphia, Pennsylvania and
scrapped.
Name
Builder
Launched
Commissioned
New York Naval Shipyard
Brooklyn, New York

N/A
N/A
Fate
Sold Oct. 25, 1923 to the Steel Scrap Co. Philadelphia, Pennsylvania
and scrapped on the ways.
Name
Builder
Launched
Commissioned
Mare Island Naval Shipyard
Vallejo, California

N/A
N/A
Fate
Sold Oct. 25, 1923 to Learner & Rosenthal Oakland, California
and scrapped on the ways.
Name
Builder
Launched
Commissioned
Norfolk Naval Shipyard
Portsmouth, Virginia

N/A
N/A
Fate
Sold Oct. 25, 1923 and scrapped on the ways.
Name
Builder
Launched
Commissioned
Newport News Shipbuilding & Drydock Co.
Newport News, Virginia

N/A
N/A
Fate
Sold Nov. 8, 1923 and scrapped on the ways.
Name
Builder
Launched
Commissioned
Bethlehem Shipbuilding Corp.
Quincy, Massachusetts

N/A
N/A
Fate
Sold Nov. 8, 1923 to the Scrap Steel Co. Philadelphia, Pennsylvania
and scrapped on the ways.


Class Notes:
Construction was suspended on all ships Feb. 8, 1922 and cancelled on Nov. 8-10, 1923
due to the limitations on naval construction of the Washington Naval Treaty.


Page revised Mar. 17, 2007