Combat envelope
Range and detection
Every bar uses the same 25 km scale. Surface detection is a visibility threshold, not a weapon range.
Ship Database
Tier IX
Cruiser
U.S.S.R.
Vyazma
A "small battleship" design developed in the early 1950s, with its primary armament comprising several heavy guns concentrated on the bow. Operating in groups, such ships were expected to effectively counter any full-fledged battleship.
- Doubloons
- 19,000
At a glance
The numbers that shape the ship
- Hit points
- 64,200
- Maximum speed
- 31.6 knots
- Surface detection
- 16.9 km
- Main battery range
- 20.9 km
- Main battery reload
- 33.0 s
Damage comparison
Published maximum per hit
Bars are normalized only against this ship's highest listed hit. They are not salvo damage, expected damage or DPM.
Handling, concealment and protectionOverview
Handling
- Maximum speed
- 31.6 knots
- Turning circle radius
- 1,060 m
- Rudder shift time
- 12.8 s
Concealment
- Surface detection
- 16.9 km
- Air detection
- 10.0 km
- Submarine detection
- 10.0 km
Survivability
- Hit points
- 64,200
- Torpedo damage reduction
- 24 %
Published armour thickness
Only positive values supplied by the API are shown.
- Overall published range
- 18–495 mm
Weapons and payloadsArmament
Surface armament
Main battery
- Maximum range
- 20.9 km
- Reload time
- 33.0 s
- Rate of fire
- 1.8 rounds/min
- 180° turn time
- 25.7 s
- Maximum dispersion
- 266 m
Shells
Damage is the API's published maximum for one shell hit.
406 mm HE Model 1936
HE- Maximum damage per hit
- 5,800
- Fire chance
- 40.0 %
- Muzzle velocity
- 830 m/s
- Shell mass
- 1,108 kg
406 mm AP Model 1936
AP- Maximum damage per hit
- 13,250
- Muzzle velocity
- 830 m/s
- Shell mass
- 1,108 kg
Gun layout
- Mount
- 406 mm/50 B-37 on an MK-1 mount
- Mounts
- 2
- Barrels each
- 3
Automatic armament
Secondary battery
- Maximum range
- 7.0 km
- Mount
- HE-32
- Maximum damage per hit
- 2,500
- Fire chance
- 13.0 %
- Rate of fire
- 10.0 rounds/min
- Muzzle velocity
- 1,000 m/s
Anti-aircraft defence
- Aura
- 25 mm 110-PM on a 4M-120 mount
- Calibre
- 25 mm
- Mounts
- 12
- Aura
- 57 mm ZIF-31B mount
- Calibre
- 57 mm
- Mounts
- 12
- Aura
- 180 mm/65 SM-45 on an SM-48 mount
- Calibre
- 180 mm
- Mounts
- 2
Modules, hull and progressionTechnical data
Default hull
- Hull hit points
- 64,200
- Main-battery barrels
- 2
- Secondary barrels
- 2
- AA mounts
- 26
Engine
- Published maximum speed
- 31.6 knots
Fire control
Module research tree
Names, research prices and defaults are reported directly by the API.
406 mm/50 B-37 on an MK-1 mount
Default- Type
- Artillery
Vyazma
Default- Type
- Hull
Propulsion: 210,000 hp
Default- Type
- Engine
GFCS IX mod. 1
Default- Type
- Suo
Compatible upgrades
Official modernization descriptions and listed purchase prices. Effects still depend on the slot and configuration used in game.
Propulsion Modification 1
ModernizationReduces 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
Main Battery Modification 3
Modernization- Credits
- 3,000,000
Steering Gears Modification 2
Modernization- Credits
- 2,000,000
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
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
- 13
- Upgrade slots
- 6
- Published battle levels
- 9–11
Cross-nation comparison
Ships that fill a similar slot
Closest same-tier, same-class matches from other nations, ranked by published base statistics.
