IS-5 (Object 730) characteristics
Firepower
- Damage
- 390hp
- Penetration
- 221mm
- DPM
- 1,857
- Reload
- 12.60s
- Rate of fire
- 4.76/min
- Aim time
- 2.70s
- Accuracy
- 0.420m
- Dispersion moving
- 0.170
- Shell velocity
- 1,400m/s
- Caliber
- 122mm
- Gun depression
- 17°
- Gun elevation
- 7°
Mobility
- Top speed
- 42km/h
- Reverse speed
- 14km/h
- Engine power
- 700hp
- Power/weight
- 14.3hp/t
- Hull traverse
- 26.0°/s
- Turret traverse
- 24.0°/s
- Hard terrain
- 1.40
- Medium terrain
- 1.50
- Soft terrain
- 2.30
Survivability
- Hit points
- 1,240hp
- Hull armor (front)
- 120mm
- Turret armor (front)
- 201mm
- Fire chance
- 0%
- Ammo rack HP
- 220hp
- Track HP
- 220hp
Spotting & other
- View range
- 360m
- Signal range
- 730m
- Camo (still)
- 0.1%
- Camo (moving)
- 0.1%
- Weight
- 49.0t
IS-5 (Object 730) historical reference
The development of the vehicle was started in 1949 by the Design Bureau of the Chelyabinsk Kirov Plant under the supervision of Joseph Kotin. In 1950 a preproduction batch of 10 vehicles was launched. After the vehicle underwent all trials and received upgrades, it was adopted for service in 1953 under the designation IS-8.