IX Object 257

Object 257

A project of the heavy tank designated IS-7 that was developed in 1945. The vehicle was supposed to feature an electromechanical transmission. Development was discontinued at the documentation design stage. Existed only in blueprints.

Nation U.S.S.R. U.S.S.R.

Tier Tier IX

Type Heavy Tank Heavy Tank

Cost Credits 3,560,000 Experience 142,700

Role Breakthrough Heavy Tank Breakthrough Heavy Tank

Crew

Driver

Gunner

Loader

Modules

Characteristics

Firepower

HP Damage Damage at 50 m

HP Damage at 500 m

mm Armor Penetration

s Gun reload time

s Min. stun duration

s Max. stun duration

/ / - s Shell autoreloading time

rounds/min Rate of Fire

rounds/min Rate of Continuous Fire

HP/s Damage per Second

s Gun reload time

HP/min Damage per Minute

s Aiming Time

m Standard dispersion at 100 m

m Dispersion at 100 m

m Dispersion at 100 m Improved dispersion at 100 m

s Gun cooling time

pcs Ammo Capacity

pcs Shells in the magazine

s Magazine reload time

pcs Shells in a container

s Loading a shell in a container

s Container reload time

s Loading a shell in a magazine

s Salvo preparation time

% Maximum autoreloading boost

Mobility

/ / t Weight/Load Limit

hp Engine Power

hp/t Specific Power

km/h Top Speed

km/h Reverse Speed

deg/s Traverse Speed

deg Turning angle

deg/s Turret Traverse Speed

s Switching to Rapid mode

s Switching to Cruise mode

Survivability

HP Hit Points

/ / mm Hull Armor

/ / / / mm Turret Armor

s Suspension repair time

Spotting

m View Range

m Signal Range

Characteristics are specified for vehicles with crews trained to 100%.

Tech Tree

IS-3 2,568,500 77,000 Heavy Tank VIII

Object 257 3,560,000 142,700 Heavy Tank IX

IS-7 6,100,000 191,500 Heavy Tank X