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ST-I — Tier IX Soviet heavy tank

ST-I

IX

Parameters

Compare tank's parameters with others from:
1780
HP
4 / 10
282.5
View range
1 / 10
Firepower
Shell
2381
DPM
6 / 10
258
Penetration
2 / 10
420
Damage
5 / 10
165
Devices/crew damage
5 / 10
Burst damage
— / —
940
Velocity
5 / 10
3.10%
Penetration loss over distance
4 / 10
Explosion radius
— / —
2041
DPM
6 / 10
340
Penetration
1 / 10
360
Damage
5 / 10
165
Devices/crew damage
5 / 10
Burst damage
— / —
920
Velocity
7 / 10
%
Penetration loss over distance
— / —
Explosion radius
— / —
2835
DPM
9 / 10
68
Penetration
3 / 10
500
Damage
8 / 10
165
Devices/crew damage
5 / 10
Burst damage
— / —
940
Velocity
4 / 10
%
Penetration loss over distance
— / —
2.49
Explosion radius
5 / 10
DPM
— / —
Penetration
— / —
Damage
— / —
Devices/crew damage
— / —
Burst damage
— / —
Velocity
— / —
%
Penetration loss over distance
— / —
Explosion radius
— / —
122.0
Caliber
5 / 10
5.67
Rate of fire
6 / 10
10.58
Reload time
4 / 8
0.00
Magazin reload time
— / —
Magazine size
— / —
Shell reload time
— / —
Gun handling
2.63
Base aim time
6 / 10
0.344
Dispersion
4 / 10
Dispersion factors
0.250
When moving
10 / 10
0.250
When rotating
10 / 10
0.160
When rotating turret
6 / 10
3.500
After shot
3 / 10
Gun angles
8°
Depression
1 / 10
16°
Elevation
4 / 10
180°/180°
Aiming arc (left / right)
1 / 10
19.44
Turret traverse speed
8 / 10
Mobility
61.02
Weight
5 / 10
Speed
40
Forward
4 / 10
13
Backward
8 / 10
Effective Power / Weight ratio
10.52
On hard terrain
9 / 10
8.41
On medium terrain
10 / 10
6.01
On soft terrain
10 / 10
Traverse speed
24.76
On hard terrain
10 / 10
19.81
On medium terrain
10 / 10
14.15
On soft terrain
10 / 10
6.49m×2.90m×2.19m
Size
2 / 10

Armor profile

Click or tap on the image to see 3D model
Primary armor
  • 328–410
  • 246–328
  • 164–246
  • 82–164
  • 0–82
Spaced armor
  • 288–360
  • 216–288
  • 144–216
  • 72–144
  • 0–72
Weak
Strong
Chances of getting penetrated from 100m distance by average tank of given type:
  • — less than 30%
  • — between 30% and 70%
  • — more than 70%

Armor performance

Based on tank position, enemy tank type and shells
In battle vs:
Head on
AP
APP
HE
HEP
AP
APP
HE
HEP
AP
APP
HE
HEP
From the side
AP
APP
HE
HEP
AP
APP
HE
HEP
AP
APP
HE
HEP
From the back
AP
APP
HE
HEP
AP
APP
HE
HEP
AP
APP
HE
HEP
Historical Reference

The design was developed at Factory No. 92 by engineers V.A. Ganin and A.S. Chasovnikov. The new tank was intended as an upgraded version of the unsatisfactory heavy tanks of that time. Existed only in blueprints.

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