Iowa Class Battleship Statistics |
Ships in
Class: |
Iowa (BB-61) New Jersey (BB-62)
Missouri (BB-63) Wisconsin (BB-64)
Not Completed - Illinois (BB-65) Kentucky (BB-66)
|
|
Cost
of Construction: |
$90,000,000
(in 1940s dollars)
|
Displacement: |
58,000 Tons
|
Length: |
887'7"
|
Beam: |
108'1"
|
Draft: |
33'
Forward, 38' Aft
|
Speed: |
33+ knots
(about 38 mph)
|
Crew: |
WW
II: 134 Officers, 2,400 Enlisted
Vietnam: 80 Officers, 1,556 Enlisted
1980s: 70 Officers, 1,400 Enlisted
|
Armament: |
Nine 16-inch /
50 caliber guns in 3 gun turrets. (Range: 23 miles - Projectiles:
Armor Piercing 2,700 lbs and High Capacity 1,900 lbs - Powder: Standard
Load six 110 lb bags - Rate of Fire: 2 Rounds per gun per minute)
|
|
|
Twenty 5-inch / 38 caliber dual purpose guns
in 10 twin mounts. (Range: 9 miles - Projectile: 55 lbs. - Powder:
30 lbs. - Rate of Fire: 15 Rounds per gun per minute)
|
|
|
Sixty-four
40mm anti-aircraft guns in 16
quad mounts, later increased to eighty guns in 20 mounts. (All were removed in
1967 - 68
modernization)
|
|
|
Forty-nine
20mm anti-aircraft guns,
increased during WW II to fifty-seven. (All but a few removed during
1947 - 48 inactivation, remainder removed in 1952)
|
|
|
8
Quad Tomahawk Armored Box Launchers, 4 Quad Harpoon Canister Launchers, 4
Vulcan / Phalanx CIWS all were added during 1981 modernization.
|
Armor: |
The
main armor belt of the hull is 13.5" tapering 19-degrees vertically
to 1.62". Aft, to protect the propellers and shafts, the armor is
13.5’ thick. Other armor thicknesses include: Turret Faces 17",
Turret Tops 7.25", Turret Backs 12", Turret Sides 9.25",
Second Deck Armor 6", Conning Tower Sides 17.3".
|
Anchors: |
Each anchor is the stockless bower type
weighing 30,000 pounds; each chain is 12 shots, or 1,080 feet long, including the
outboard swivel shot. Each link weighs 110 pounds.
|
Boilers: |
Eight Babcock & Wilcox express type,
steam pressure 634 pounds per square inch.
|
Turbines: |
Four
geared Westinghouse Turbines
|
Horsepower: |
212,000
|
|
Fuel Capacity: |
2,500,000
gallons
|
Propellers: |
Manufactured at Philadelphia Navy Yard
|
Right
inboard: |
Five blades - 53,000 shaft horsepower
|
Right
outboard: |
Four blades - 53,000 shaft horsepower
|
Left inboard: |
Five blades - 53,000 shaft horsepower
|
Left
outboard: |
Four blades - 53,000 shaft horsepower
|
Aircraft: |
1943-45, 3 Vought OS2U Kingfisher
floatplanes
|
|
|
1945-47, 2 Curtiss SC-1 Seahawk floatplanes
|
|
|
1951-53, 1 Sikorsky HO3S-1 helicopter
|
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|
1983-91, 1 Kaman SH-2 Seasprite helicopter
|
| 1981
- 82 Modernization |
|
Added
eight Armored Box Launchers for 32 Tomahawk Cruise Missiles.
|
|
Added
four Quad Canister Launchers for 16 Harpoon anti-ship missiles.
|
|
Added
four Vulcan/Phalanx CIWS for aircraft/missile defense. (20mm Shell -
Firing Rate 3,000 rounds per minute)
|
|
Added
advanced
communications and air-search radar systems.
|
|
Enlarged
Helicopter Landing Area on Fantail and added Helicopter Control Booth.
|
|
Removed
Stern Crane to
avoid interference with Helicopters.
|
|
Converted
Power Plant to burn Navy Distillate Fuel in place of Black Oil.
|
|
Added
Satellite Navigation
and Communication Antennas.
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