ST-I tech tree branch
ST-I characteristics
Firepower
- Damage
- 440hp
- Penetration
- 258mm
- DPM
- 2,079
- Reload
- 12.70s
- Rate of fire
- 4.72/min
- Aim time
- 3.00s
- Accuracy
- 0.420m
- Dispersion moving
- 0.200
- Shell velocity
- 940m/s
- Caliber
- 122mm
- Gun depression
- 16°
- Gun elevation
- 8°
Mobility
- Top speed
- 40km/h
- Reverse speed
- 13km/h
- Engine power
- 790hp
- Power/weight
- 13.0hp/t
- Hull traverse
- 30.0°/s
- Turret traverse
- 24.0°/s
- Hard terrain
- 1.20
- Medium terrain
- 1.60
- Soft terrain
- 3.00
Survivability
- Hit points
- 1,600hp
- Hull armor (front)
- 150mm
- Turret armor (front)
- 250mm
- Fire chance
- 0%
- Ammo rack HP
- 210hp
- Track HP
- 240hp
Spotting & other
- View range
- 380m
- Signal range
- 730m
- Camo (still)
- 0.1%
- Camo (moving)
- 0.1%
- Weight
- 61.0t
ST-I historical reference
The project was developed at Factory No. 92 in 1945. The design featured the Object 701 (IS-4) hull, but different transmission and suspension. The tank turret was developed from scratch. Existed only in blueprints.