IS-8

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IS-8

Icon
USSR Heavy Tank Tier IX
Battle Tiers
123456789101112
Totals
Cost 3,531,000  Credits
Hit Points 1,7001,800 HP
Weight Limit 50.1/50.950.851/58.9 t
Crew
Commander (Radio Operator)
Gunner
Driver
Loader
Mobility
Engine Power 700750 hp
Speed Limit 50/15 km/h
Traverse 2830 deg/s
Power/Wt Ratio 13.9714.75 hp/t
Pivot NoNo
Armor
Hull Armor 120/80/60 mm
Turret Armor201/129/50201/129/50 mm
Armament
Damage 292.5-487.5330-550 HP
Penetration 131-219201-335 mm
Rate of Fire
5.08100% crew: 5.3 rpm
+ Vents: 5.42 rpm
+ BiA : 5.54 rpm
+ Food: 5.78 rpm
4.88100% crew: 5.09 rpm
+ Vents: 5.2 rpm
+ BiA : 5.32 rpm
+ Food: 5.55 rpm
r/m
Accuracy
0.46100% crew: 0.44 m
+ Vents: 0.43 m
+ BiA : 0.42 m
+ Food: 0.4 m
0.38100% crew: 0.36 m
+ Vents: 0.36 m
+ BiA : 0.35 m
+ Food: 0.33 m
m
Aim time
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
2.9100% crew: 2.78 s
+ Vents: 2.72 s
+ BiA : 2.66 s
+ Food: 2.55 s
s
Turret Traverse
26100% crew: 27.11 deg/s
+ Vents: 27.73 deg/s
+ BiA : 28.34 deg/s
+ Food: 29.57 deg/s
26100% crew: 27.11 deg/s
+ Vents: 27.73 deg/s
+ BiA : 28.34 deg/s
+ Food: 29.57 deg/s
deg/s
Gun Arc 360°
Elevation Arc -5°/+15°-5°/+15°
Ammo Capacity 3030 rounds
General
Chance of Fire 1515 %
View Range
380100% crew: 380 m
+ Vents: 388.14 m
+ BiA : 396.29 m
+ Food: 412.57 m
400100% crew: 400 m
+ Vents: 408.57 m
+ BiA : 417.14 m
+ Food: 434.29 m
m
Signal Range
440100% crew: 458.86 m
+ Vents: 469.23 m
+ BiA : 479.6 m
+ Food: 500.34 m
730100% crew: 761.29 m
+ Vents: 778.49 m
+ BiA : 795.7 m
+ Food: 830.11 m
m
Parent Contour-USSR-IS-3.png
Child
Contour-USSR-IS-7.png189,200 XP
Research
RT-USSR-IS-8.jpg
Values are Stock - click for Top
USSR-IS8.png

The IS-8 is a Soviet tier 9 heavy tank.

The development of the vehicle was started in 1949 by the Design Bureau of the Chelyabinsk Kirov Plant under the supervision of Joseph Kotin. At the design stage the vehicle was designated as Object 730. In 1950 a preproduction batch of 10 vehicles was launched. In 1953, before the tank entered service, it was redesignated as the IS-8. The vehicle was adopted for service in the second half of 1953 under the designation T-10. The number of produced vehicles varies from 2500 to 8000 according to different sources.

The IS-8 is a departure from its "parent", the IS-3, as instead of being a hands-on assault tank, the IS-8 is a "softer" but faster heavy tank, comparable to the IS. It drives more like a "super medium" than a heavy. The front armor is slightly increased in thickness compared to IS-3, but it is far less effective in the front due to the worsened angles and increased height of the tank, and the side and rear armor are decreased. The turret is very hard to penetrate and the center of the front hull is capable of bouncing shots from the direct front, but shots from other tier 9s will often go straight through. The top gun, however, has enough penetration to easily take on other tier 9 and 10 heavy tanks, and does a lot of damage with a quicker reload than the IS-3's BL-9 gun. Using the IS-8's speed to avoid damage and pick on other heavies makes this tank an extremely formidable opponent.

The IS-8 leads to the IS-7.


















Modules

Turret
TierNameArmorTraverse SpeedTraverse ArcView RangeXP CostPriceWeight
08VIII T-10 0201 201/129/50 mm
26100% crew: 27.11 deg/s
+ Vents: 27.73 deg/s
+ BiA : 28.34 deg/s
+ Food: 29.57 deg/s
26100% crew: 27.11 deg/s
+ Vents: 27.73 deg/s
+ BiA : 28.34 deg/s
+ Food: 29.57 deg/s
d/s
360°
380100% crew: 380 m
+ Vents: 388.14 m
+ BiA : 396.29 m
+ Food: 412.57 m
380100% crew: 380 m
+ Vents: 388.14 m
+ BiA : 396.29 m
+ Food: 412.57 m
m
0------ 33,68033,680 Credits 11,000 11,000 kg
Guns compatible with this Turret:
Gun
TierNameAmmoDamagePenetrationShell PriceRate of FireAccuracyAim TimeElevationXP CostPriceWeight
08VIII 122 mm D-25T 30 390/390/465 HP 175/217/61 mm 1,025 Credits/12 Gold/608 Credits
5.08100% crew: 5.3 rpm
+ Vents: 5.42 rpm
+ BiA : 5.54 rpm
+ Food: 5.78 rpm
r/m
0.46100% crew: 0.44 m
+ Vents: 0.43 m
+ BiA : 0.42 m
+ Food: 0.4 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-5°/+15° --- 125,140125,140 Credits 2,590 2,590 kg
09IX 122 mm BL-9 30 390/390/465 HP 225/265/68 mm 1,025 Credits/12 Gold/608 Credits
4.72100% crew: 4.93 rpm
+ Vents: 5.04 rpm
+ BiA : 5.15 rpm
+ Food: 5.37 rpm
r/m
0.4100% crew: 0.38 m
+ Vents: 0.38 m
+ BiA : 0.37 m
+ Food: 0.35 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-5°/+15° 44,000 178,500178,500 Credits 2,790 2,790 kg
10X 122 mm M62-T2 30 440/440/530 HP 258/340/68 mm 1,065 Credits/13 Gold/630 Credits
4.72100% crew: 4.93 rpm
+ Vents: 5.04 rpm
+ BiA : 5.15 rpm
+ Food: 5.37 rpm
r/m
0.38100% crew: 0.36 m
+ Vents: 0.36 m
+ BiA : 0.35 m
+ Food: 0.33 m
m
3.4100% crew: 3.26 s
+ Vents: 3.19 s
+ BiA : 3.12 s
+ Food: 2.99 s
s
-5°/+15° 59,300 335,000335,000 Credits 3,397 3,397 kg

Turret
TierNameArmorTraverse SpeedTraverse ArcView RangeXP CostPriceWeight
09IX T-10M 0201 201/129/50 mm
26100% crew: 27.11 deg/s
+ Vents: 27.73 deg/s
+ BiA : 28.34 deg/s
+ Food: 29.57 deg/s
26100% crew: 27.11 deg/s
+ Vents: 27.73 deg/s
+ BiA : 28.34 deg/s
+ Food: 29.57 deg/s
d/s
360°
400100% crew: 400 m
+ Vents: 408.57 m
+ BiA : 417.14 m
+ Food: 434.29 m
400100% crew: 400 m
+ Vents: 408.57 m
+ BiA : 417.14 m
+ Food: 434.29 m
m
28,30028,300 66,50066,500 Credits 11,000 11,000 kg
Guns compatible with this Turret:
Gun
TierNameAmmoDamagePenetrationShell PriceRate of FireAccuracyAim TimeElevationXP CostPriceWeight
08VIII 122 mm D-25T 30 390/390/465 HP 175/217/61 mm 1,025 Credits/12 Gold/608 Credits
5.31100% crew: 5.54 rpm
+ Vents: 5.66 rpm
+ BiA : 5.79 rpm
+ Food: 6.04 rpm
r/m
0.46100% crew: 0.44 m
+ Vents: 0.43 m
+ BiA : 0.42 m
+ Food: 0.4 m
m
2.9100% crew: 2.78 s
+ Vents: 2.72 s
+ BiA : 2.66 s
+ Food: 2.55 s
s
-5°/+15° --- 125,140125,140 Credits 2,590 2,590 kg
09IX 122 mm BL-9 30 390/390/465 HP 225/265/68 mm 1,025 Credits/12 Gold/608 Credits
4.88100% crew: 5.09 rpm
+ Vents: 5.2 rpm
+ BiA : 5.32 rpm
+ Food: 5.55 rpm
r/m
0.4100% crew: 0.38 m
+ Vents: 0.38 m
+ BiA : 0.37 m
+ Food: 0.35 m
m
2.9100% crew: 2.78 s
+ Vents: 2.72 s
+ BiA : 2.66 s
+ Food: 2.55 s
s
-5°/+15° 44,000 178,500178,500 Credits 2,790 2,790 kg
10X 122 mm M62-T2 30 440/440/530 HP 258/340/68 mm 1,065 Credits/13 Gold/630 Credits
4.88100% crew: 5.09 rpm
+ Vents: 5.2 rpm
+ BiA : 5.32 rpm
+ Food: 5.55 rpm
r/m
0.38100% crew: 0.36 m
+ Vents: 0.36 m
+ BiA : 0.35 m
+ Food: 0.33 m
m
2.9100% crew: 2.78 s
+ Vents: 2.72 s
+ BiA : 2.66 s
+ Food: 2.55 s
s
-5°/+15° 59,300 335,000335,000 Credits 3,397 3,397 kg

Engine
TierNamePowerFire ChanceTypeXP CostPriceWeight
09IX V-12-5 0700 700 hp 015 15 % Diesel --- 84,00084,000 Credits 1,024 1,024 kg
09IX V-12-6 0750 750 hp 015 15 % Diesel 26,350 84,20084,200 Credits 1,024 1,024 kg

Suspension
TierNameLoad LimitTraverse SpeedXP CostPriceWeight
08VIII T-10 50.950.9 t 02828 d/s ------ 27,92027,920 Credits 10,000 10,000 kg
09IX T-10М 58.958.9 t 03030 d/s 23,80023,800 66,50066,500 Credits 10,000 10,000 kg

Radio
TierNameRangeXP CostPriceWeight
07VII 10RK
440100% crew: 458.86 m
+ Vents: 469.23 m
+ BiA : 479.6 m
+ Food: 500.34 m
440100% crew: 458.86 m
+ Vents: 469.23 m
+ BiA : 479.6 m
+ Food: 500.34 m
m
0--- --- 18,60018,600 Credits 0100 100 kg
09IX 12RT
625100% crew: 651.79 m
+ Vents: 666.52 m
+ BiA : 681.25 m
+ Food: 710.71 m
625100% crew: 651.79 m
+ Vents: 666.52 m
+ BiA : 681.25 m
+ Food: 710.71 m
m
5,600 5,600 33,60033,600 Credits 0110 110 kg
10X R-113
730100% crew: 761.29 m
+ Vents: 778.49 m
+ BiA : 795.7 m
+ Food: 830.11 m
730100% crew: 761.29 m
+ Vents: 778.49 m
+ BiA : 795.7 m
+ Food: 830.11 m
m
8,700 8,700 52,20052,200 Credits 0080 80 kg

Historical Info

The T-10 (also known as Object 730) was a Soviet heavy tank of the Cold War, the final development of the KV and IS tank series. It was accepted into production in 1952 as the IS-8 (Iosif Stalin, Russian form of Joseph Stalin), but due to the political climate in the wake of Stalin's death in 1953, it was renamed T-10.

The biggest differences from its direct ancestor, the IS-3, were a longer hull, seven pairs of road wheels instead of six, a larger turret mounting a new gun with fume extractor, an improved diesel engine, and increased armor. General performance was similar, although the T-10 could carry more ammunition. T-10s (like the IS tanks they replaced) were deployed in independent tank regiments belonging to armies, and independent tank battalions belonging to divisions. These independent tank units could be attached to mechanized units, to support infantry operations and perform breakthroughs.

Demise of Soviet Heavy Tanks

The mobile nature of armored warfare in World War II had demonstrated the drawbacks of the slow heavy tanks. In the final push towards Berlin, mechanized divisions had become widely split up as heavy tanks lagged behind the mobile T-34s. The Soviets continued to produce heavy tanks for a few years as part of the Cold War arms race (compare the heavier U.S. M103 and British Conqueror), but the more flexible T-54 and T-62 medium tanks already had armor and armament comparable to the T-10's. In the 1960s, the Soviets embraced the main battle tank (MBT) concept, by replacing heavy tanks with mobile medium tanks. In the late 1960s, the independent tank battalions with heavy tanks were re-equipped with the higher-technology T-64s, and later, the very fast T-80, while regular tank and mechanized units fielded the more basic T-55s and T-72s. T-10 production was stopped in 1966, and heavy tank projects were cancelled, such as the auto-loaded, 130 mm-armed Object 770. Antitank guided missiles (ATGMs) started to be deployed widely during this period, and would become an effective replacement for the heavy tanks' long-range firepower. The Soviets made use of them first on BMP-1 infantry fighting vehicles, and later on the T-64 and other MBTs. Eventually, light, sophisticated reactive armour was used to give the MBTs a further edge in protection without slowing them down. According to Bryan Perret, "the engagements of the Six-Day War, especially that at Rafah, merely emphasised what the Soviet Army already knew, namely that the heavy tank had had its day".

Production History

The T-10 served with the Soviet Union but was not known to have been provided to Warsaw Pact nations, though Soviet heavy tank regiments stationed in those countries may have been equipped with them. T-10Ms were "in the unhappy position" of simultaneous production by two factories (Kirov as Object 272 and Chelyabinsk as Object 734) "with incompatible parts".[2] Not until 1962 was Kirov's version standardized upon.[3] The T-10 is known to have been exported to Egypt and Syria.[4] It was used in combat during the Yom Kippur War, where it normally provided long-range fire support to the T-55/T-62 tanks, with little success.[5] Heavy tanks were withdrawn from Soviet front-line service by 1967, and completely removed from service in 1993. Many of the tank chassis were converted to missile vehicles. It is estimated that some 6,000 Soviet heavy tanks were built after the end of WWII, including IS-2s, IS-3s, and T-10s.

Models

  • T-10 - (1952)
  • T-10A - (1956) modification, adding a single-plane gun stabilizer.
  • T-10B - (1957) adding a 2-plane gun stabilizer.
  • T-10M - (1957) improved version with longer M-62-T2 L/43 gun with five-baffle muzzle brake, 2-plane gun stabilizer, machine guns replaced with 14.5 mm KPVT (a better ballistic match for the new main gun), infrared night vision equipment, NBC protection. Overall length is 10.29 m.
  • 1963 - T-10Ms are equipped with OPVT deep-wading snorkel.
  • 1967 - T-10Ms are supplied with APDS and HEAT ammunition.


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