Louisiana BB-71

Type:
Battleship

Class:

Montana (Class Overview)
Builder:
Norfolk Naval Shipyard
Portsmouth, Virginia
Hull Number:

BB-71

Ordered:
September 9, 1940
Commissioned:
N/A
Keel Laid:
N/A
Decommissioned:
N/A
Launched:
N/A
Stricken:


N/A
Fate:
Construction suspended May 20, 1942 and cancelled July 21, 1943. Scrapped on the ways.


Dimensions, machinery and performance (as designed)

Length:
921' 5"
Engines:
4 Westinghouse geared steam turbines
Beam:
121'
Boilers:
12 Babcock & Wilcox (oil fired)
Draft:
38'
Shafts:
4
Displacement:
65,000 std. / 70,500 full
HP:
172,000
Speed:
28 knots
Crew:
3,000
Range:
15,000 NM @ 12 knots


Armament (as designed)
Number Carried
Type
Arrangement
Maximum Range / Ceiling
12
16"/50 (406mm) Mk 7
4 triple turrets
42,345 yards @ 45° (24 miles)
2,700 lb. HE shell
Rate of fire 2 RPM

20
5"/38 (127mm) Mk 12
10 twin turrets
17,392 yards @ 45° (9.8 miles)
AA ceiling 37,200'
53-55.18 lb shells
Rate of fire 15-22 RPM

40
1.57"/56 (40mm)
10 quad mounts
11,133 yards @ 45° (6.3 miles)
AA ceiling 22,299'
1.985 lb. HE shell
Rate of fire 130-160 RPM

42-48
.79"/70 (20mm)
AA machine guns
single mounts
4,800 yards @ 45° (2.7 miles)
AA ceiling 10,000'
.271 lb. HE shell
Rate of fire 250-320 RPM

2
Torpedo tubes
single launchers
N/A
4
Aircraft


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Page created Sept. 9, 2007