Ship Database
Tier X Battleship Special

U.S.A.

Ohio

A hypothetical armament project for the Montana-class battleship with eight 457 mm guns housed in four turrets. Back in 1938, amid rumors about the creation of ships with guns of a caliber exceeding 406 mm in Japan, there were projects of battleships with 457 mm guns. One of them was relatively fast and had armament comprising six guns in three twin-gun...

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A hypothetical armament project for the Montana-class battleship with eight 457 mm guns housed in four turrets. Back in 1938, amid rumors about the creation of ships with guns of a caliber exceeding 406 mm in Japan, there were projects of battleships with 457 mm guns. One of them was relatively fast and had armament comprising six guns in three twin-gun turrets. The twin-gun turrets developed for this project could well have been mounted on one of the unfinished Montana-class battleships.

Doubloons
31,000
Official profile image of Ohio

At a glance

The numbers that shape the ship

Hit points
96,300
Maximum speed
28.0 knots
Surface detection
17.3 km
Main battery range
21.6 km
Main battery reload
27.0 s

Combat envelope

Range and detection

Scale: 25 km

Every bar uses the same 25 km scale. Surface detection is a visibility threshold, not a weapon range.

  • Surface detection17.3 km
  • Main battery21.6 km
  • Secondary battery7.5 km

Damage comparison

Published maximum per hit

Ship-relative

Bars are normalized only against this ship's highest listed hit. They are not salvo damage, expected damage or DPM.

  • HE · 457 mm HE Type B 6,450
  • AP · 457 mm AP Type B 15,750
Handling, concealment and protectionOverview

Handling

Maximum speed
28.0 knots
Turning circle radius
950 m
Rudder shift time
18.6 s
Maneuverability API rating 34

Concealment

Surface detection
17.3 km
Air detection
10.0 km
Submarine detection
10.0 km
Concealment API rating 28

Survivability

Hit points
96,300
Torpedo damage reduction
37 %
Survivability API rating 100

Published armour thickness

Only positive values supplied by the API are shown.

Overall published range
6–540 mm
Weapons and payloadsArmament

Surface armament

Main battery

Artillery API rating 93
Maximum range
21.6 km
Reload time
27.0 s
Rate of fire
2.2 rounds/min
180° turn time
30.0 s
Maximum dispersion
273 m

Shells

Damage is the API's published maximum for one shell hit.

457 mm HE Type B
HE
Maximum damage per hit
6,450
Fire chance
43.0 %
Muzzle velocity
800 m/s
Shell mass
1,230 kg
457 mm AP Type B
AP
Maximum damage per hit
15,750
Muzzle velocity
732 m/s
Shell mass
1,746 kg
Gun layout
Mount
457 mm/48 Mk.1 in a turret
Mounts
4
Barrels each
2

Automatic armament

Secondary battery

Maximum range
7.5 km
Mount
127 mm HE Mk41
Maximum damage per hit
1,800
Fire chance
9.0 %
Rate of fire
17.1 rounds/min
Muzzle velocity
808 m/s

Anti-aircraft defence

AA defence API rating 91
Aura
20 mm Oerlikon on a Mk.4 mount
Calibre
20 mm
Mounts
40
Aura
40 mm/56 Bofors on a Mk.2 mount
Calibre
40 mm
Mounts
10
Aura
76.2 mm/50 Mk.22 on a Mk.33 mount
Calibre
76 mm
Mounts
8
Aura
127 mm/54 Mk.16 on a Mk.41 mount
Calibre
127 mm
Mounts
10
Modules, hull and progressionTechnical data

Default hull

Hull hit points
96,300
Main-battery barrels
4
Secondary barrels
10
AA mounts
68

Engine

Published maximum speed
28.0 knots

Fire control

Module research tree

Names, research prices and defaults are reported directly by the API.

Ohio

Default
Type
Hull

Mk10 mod. 1

Default
Type
Suo

457 mm/48 Mk.1 in a turret

Default
Type
Artillery

Propulsion: 172,000 hp

Default
Type
Engine

Compatible upgrades

Official modernization descriptions and listed purchase prices. Effects still depend on the slot and configuration used in game.

Propulsion Modification 1

Modernization

Reduces time to full speed

Credits
1,000,000

Concealment System Modification 1

Modernization

Credits
2,000,000

Main Armaments Modification 1

Modernization

Credits
125,000

Damage Control System Modification 2

Modernization

Credits
1,000,000

Torpedo Lookout System

Modernization

Credits
2,000,000

Artillery Plotting Room Modification 2

Modernization

Credits
3,000,000

Main Battery Modification 3

Modernization

Credits
3,000,000

Main Battery Modification 2

Modernization

Credits
500,000

Damage Control System Modification 1

Modernization

Credits
250,000

Steering Gears Modification 1

Modernization

Credits
1,000,000

Artillery Plotting Room Modification 1

Modernization

Extends the firing range of the main battery and secondary battery

Credits
500,000

Secondary Battery Modification 1

Modernization

Credits
500,000

Auxiliary Armaments Modification 1

Modernization

Credits
125,000

AA Guns Modification 1

Modernization

Credits
500,000
Available module groups
10
Compatible upgrades
14
Upgrade slots
6
Published battle levels
10–11

Cross-nation comparison

Ships that fill a similar slot

Closest same-tier, same-class matches from other nations, ranked by published base statistics.

Germany

Grosser Kurfürst

HP
105,800
Speed
30 kn
Guns
20.6 km
Open comparison

Italy

Amerigo Vespucci

HP
89,900
Speed
29.6 kn
Guns
18.9 km
Open comparison

Japan

ARP Yamato

HP
97,200
Speed
27 kn
Guns
26.6 km
Open comparison