If you like the project, consider supporting it on Patreon


B1 — Tier IV French heavy tank

B1

IV
Cost
  • 45 000
  • 2 500
Preceded by

Parameters

Compare tank's parameters with others from:
525
HP
3 / 4
249.3m
View range
1 / 4
Firepower
Shell
935
DPM
1 / 4
79
Penetration
4 / 4
70
Damage
2 / 4
1
Devices/crew damage
4 / 4
Burst damage
— / —
885
Velocity
2 / 4
21.52%
Penetration loss over distance
3 / 4
Explosion radius
— / —
668
DPM
2 / 4
98
Penetration
4 / 4
50
Damage
2 / 4
5
Devices/crew damage
4 / 4
Burst damage
— / —
1106
Velocity
2 / 4
30.61%
Penetration loss over distance
4 / 4
Explosion radius
— / —
1336
DPM
1 / 2
24
Penetration
2 / 2
100
Damage
2 / 2
30
Devices/crew damage
2 / 2
Burst damage
— / —
885
Velocity
1 / 2
%
Penetration loss over distance
— / —
0.47
Explosion radius
2 / 2
DPM
— / —
Penetration
— / —
Damage
— / —
Devices/crew damage
— / —
Burst damage
— / —
Velocity
— / —
%
Penetration loss over distance
— / —
Explosion radius
— / —
47.0
Caliber
2 / 4
13.36
Rate of fire
3 / 4
4.49
Reload time
3 / 4
Magazine reload time
— / —
Time to load next shell
— / —
Magazine size
— / —
Time before next shell is ready
— / —
Gun handling
1.55
Base aim time
3 / 4
0.357
Dispersion
2 / 4
Dispersion factors
0.160
When moving
1 / 4
0.160
When rotating
1 / 4
0.080
When rotating turret
2 / 4
3.000
After shot
2 / 4
Gun angles
13°
Depression
1 / 4
18°
Elevation
4 / 4
180°/180°
Aiming arc (left / right)
1 / 4
37.26
Turret traverse speed
3 / 4
Mobility
27.75
Weight
3 / 4
Speed
30
Forward
2 / 4
10
Backward
3 / 4
Effective Power / Weight ratio
11.85
On hard terrain
2 / 4
10.73
On medium terrain
1 / 4
9.01
On soft terrain
1 / 4
Traverse speed
52.29
On hard terrain
1 / 4
47.31
On medium terrain
1 / 4
39.74
On soft terrain
1 / 4
5.84m×2.40m×2.68m
Size
4 / 4
Concealment
15.09%
While still
4 / 4
8.50%
While moving
4 / 4
5.80%
Upon firing while still
3 / 4
3.89%
Upon firing while moving
3 / 4
Spotting distance by enemy with view range of 267m
234.2m
While still
248.6m
While moving
254.4m
Upon firing while still
258.6m
Upon firing while moving

Armor profile

Click or tap on the image to see 3D model
Primary armor
  • 108–135
  • 81–108
  • 54–81
  • 27–54
  • 0–27
Spaced armor
  • 64–80
  • 48–64
  • 32–48
  • 16–32
  • 0–16
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

Development was started in 1921. Due to extended trials the vehicle did not enter service until 1934. A total of 403 tanks in two basic modifications were manufactured from 1935 through 1940.