Massachusetts BB-54

Type:
Battleship
Class:
South Dakota (1918) (Class Overview)
Builder:
Bethlehem Shipbuilding Corp.
Quincy, Massachusetts
Hull Number:
BB-54
Ordered:
November 15, 1919
Commissioned:
N/A
Keel Laid:
May 17, 1920
Decommissioned:
N/A
Launched:
N/A
Stricken:
November 10, 1923
Fate:
Construction suspended Feb. 8, 1922, cancelled Aug. 17, 1923 when 36% complete due to
the limitations of the Washington Treaty.
Sold Nov. 8, 1923 to the Scrap Steel Co. Philadelphia, Pennsylvania and scrapped on the ways.


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


Page created Mar. 17, 2007