KV-1S

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Arcade Realistic Simulator

Arcade Realistic Simulator

Arcade Realistic Simulator

General info

The KV-1S in the garage.

The KV-1S is a Rank II Soviet heavy tank with a battle rating of 4.3. It was introduced in Update 1.57 "Battle March". A lightened KV-1 made to improve its maneuverability, the KV-1S has less overall armour than the original design, but keeps its same lethality with improved speed.

The main purpose, usage and tactics recommendations

General play style

When playing the KV-1S, remember that you are still a heavy tank. Keep your front armor facing your enemies at all times, and preferably angled (but slightly less than KV-1 L-11). KV-1S turret is more durable, and can deflect more shots than before, so if possible expose your turret only. Gun has no special penetration value, so try to target weakspots or areas with the least armor. Flanking attacks could end in a fiery demise. Also, this tank is still a KV-1 in it's heart.

Vehicle characteristics

Compared to the KV-1 L-11, side and rear armour is decreased to 60 mm, lightening the vehicle and increasing its speed to maximum 43 kph. A new turret was installed, presenting a smaller profile, thicker armour, and better angling all around. The armament is also changed to the ZIS-5, the equivalent of its successor and the T-34's F-34 guns.

Tactics

The best tactics for this tank is: keep a low profile and stay behind the main assault. When your team has advanced to the enemy's base, the KV-1s is best used to round up straggling enemy tanks behind your lines. If these tanks aren't destroyed, they'll attack your team's rear.

Specific enemies worth noting

The common enemies are armed with guns that usually can penetrate the driver's hatch. Watch out for enemy T-34 (especially mod. 1941 and 1942, sometimes mods 1943 and the 57 variants), since they can flank you easily. Also watch out for all german Pz.IVs & StuGs armed with long 7.5 cm gun, as it can penetrate your front armor even if you are angled.

This vehicle (due to its higher BR) can also meet many opponents that your armor has no chance of stopping, avoid direct confrontation with them. (Includes: T-34-85, SU-85, Dicker Max & Nashorn, Sherman Firefly & Achiles)

Meeting other KV-1's and Churchills may become a stalemate as the KV-1S gun may not penetrate against their formidable armour. This leads to the hope that the APCR ammunition works, and the firing of several rounds into the target for a penetration.

Counter-tactics

If possible, shoot at the hull armor rather than the turret, as most parts of it are angled and much more effective than the thickness value would tell. Also keep in mind its improved gun, that can (unlike the one on KV-1 L-11) penetrate other KV-1 tanks and most of its opponents frontally.

Pros and cons

Pros:

  • Faster than its predecessor and successor, yet frontal armor is the same.
  • Very hard to knock out in one shot
  • Adequate gun
  • Bouncy turret front
  • Wide tracks make for good cross-country performance
  • Resilient. Can remain reasonably effective, even with a lot of damage
  • Very effective overall

Cons:

  • Side armor is considerably weaker (75 mm into 60 mm)
  • Turret is cramped
  • Very low reverse speed, poor low speed handling
  • Vulnerable to the long-barreled 75mm gun of the StuG III and Pz.IV F2,G, H and J
  • First reverse gear presents a slow reverse speed of around -5 kph.
  • Still carries most of the flaws of the KV-1 L-11
  • Still a heavy vehicle, poor acceleration.
  • Still cannot move on pace with T-34s
  • Gun lacks penetration against heavier opponents: The KV-1 ZiS-5 and both Churchills are very hard to get through. APCR is unreliable.
  • Vehicle sits at 4.3 BR but it's RP requirements for modules are far more than the KV-1 ZiS-5.

Specifications

Arcade Realistic Simulator

Arcade Realistic Simulator

Arcade Realistic Simulator

Armaments

1 x 76 mm ZIS-5 cannon (114 Rounds)
1 x 7.62 mm DT machine gun (1,890 Rounds)

Main Armament

1 x 76 mm ZIS-5 cannon
  • Ammunition Capacity: 114 Shells
  • Gun Depression: -5°
  • Gun Elevation: 25°
  • Turret Rotation Speed: 7.1°/s (Stock), 9.9°/s (Upgraded), _._°/s (Prior + Full Crew), _._°/s (Prior + Expert Qualif.), _._°/s (Prior + Ace Qualif.)
  • Rate of Fire: 9.0s (Stock), __._s (Full Crew), __._s (Prior + Expert Qualif.), __._s (Prior + Ace Qualif.)
1 x 76 mm ZIS-5 cannon
  • Ammunition Capacity: 114 Shells
  • Gun Depression: -5°
  • Gun Elevation: 25°
  • Turret Rotation Speed: 7.1°/s (Stock), 8.4°/s (Upgraded), _._°/s (Prior + Full Crew), _._°/s (Prior + Expert Qualif.), _._°/s (Prior + Ace Qualif.)
  • Rate of Fire: 9.0s (Stock), __._s (Full Crew), __._s (Prior + Expert Qualif.), __._s (Prior + Ace Qualif.)
1 x 76 mm ZIS-5 cannon
  • Ammunition Capacity: 114 Shells
  • Gun Depression: -5°
  • Gun Elevation: 25°
  • Turret Rotation Speed: 7.1°/s (Stock), 8.4°/s (Upgraded), _._°/s (Prior + Full Crew), _._°/s (Prior + Expert Qualif.), _._°/s (Prior + Ace Qualif.)
  • Rate of Fire: 9.0s (Stock), __._s (Full Crew), __._s (Prior + Expert Qualif.), __._s (Prior + Ace Qualif.)
Ammunition
Ammunition Penetration in mm @ 90° Type of
warhead
Velocity
in m/s
Projectile
Mass in kg
Fuse delay
in m:
Fuse sensitivity
in mm:
Explosive Mass in
TNT equivalent
in g:
Normalization At 30°
from horizontal:
Ricochet:
10m 100m 500m 1000m 1500m 2000m 0% 50% 100%
BR-350A 80 78 71 63 56 50 APHEBC 665 6.3 0.15 10.0 150 +4° 42° 27° 19°
BR-350B 98 95 87 77 68 60 APHEBC 680 6.3 0.9 15.0 108.8 +4° 42° 27° 19°
BR-350SP 105 104 85 69 57 46 APBC 680 6.8 N/A N/A N/A +4° 42° 27° 19°
OF-350M 9 9 9 9 9 9 HE 680 6.2 0.05 0.1 621 +0° 11° 10°
Sh-354T 37 35 29 25 20 17 Shrapnel 680 6.2 0.5 8.0 85 +0° 28° 21° 17°
BR-350P 135 130 92 60 39 26 APCR 950 3.0 N/A N/A N/A +1.5° 24° 20° 18°
Ammo racks
Ammo racks of the KV-1S.
Full
ammo
1st
rack empty
2nd
rack empty
3rd
rack empty
4th
rack empty
5th
rack empty
6th
rack empty
7th
rack empty
Recommendations Visual
discrepancy
114 110 (+4) 105 (+9) 100 (+14) 68 (+46) 36 (+78) 24 (+90) (+113) Turret empty: 100 (+14) no

Secondary Armament

1 x 7.62 mm DT machine gun (coaxial)

Crew

  • Commander
  • Gunner
  • Loader
  • Driver
  • Assistant Driver

Total: 5 Crew members

Armour

Armour type:

  • Rolled homogeneous armour (Hull, Turret roof)
  • Cast homogeneous armour (Turret)
Armour Front Sides Rear Roof
Hull 75 mm (30°) Front plate
50 mm (70°) Front glacis
25 + 50-60 mm (25-70°) Joint plate
60 mm (26-50°) Lower glacis
60 mm 60 mm (35-75°) Top
60 mm (2-69°) Bottom
40 mm Front
30 mm Rear
Turret 82 mm (2-76°) Turret front
50-75 mm (4-71°) Gun mantlet shield
90 mm (0-29°) Gun mantlet
82 mm (0-25°) 82 mm (27-56°)
75 mm (1-43°) Machine gun port
30 mm
Armour Sides Roof
Cupola 60 mm 30 mm

Notes:

  • Suspension wheels are 20 mm thick, tracks are 30 mm thick.
  • The gun mantlet shield has varying thickness, thickest just a little above and below the center 55 mm area.

Engine & mobility

Weight: 41.4 ton

Max Speed: 48 km/h
Stock

  • Engine Power: 775 hp @ 2000 rpm
  • Power-to-Weight Ratio: 18.72 hp/ton
  • Maximum Inclination: 40°

Upgraded

  • Engine Power: 954 hp @ 2000 rpm
  • Power-to-Weight Ratio: 23.04 hp/ton
  • Maximum Inclination: 43°
Weight: 41.4 ton

Max Speed: 45 km/h
Stock

  • Engine Power: 531 hp @ 2000 rpm
  • Power-to-Weight Ratio: 12.83 hp/ton
  • Maximum Inclination: 40°

Upgraded

  • Engine Power: 600 hp @ 2000 rpm
  • Power-to-Weight Ratio: 14.49 hp/ton
  • Maximum Inclination: 41°
Weight: 41.4 ton

Max Speed: 45 km/h
Stock

  • Engine Power: 531 hp @ 2000 rpm
  • Power-to-Weight Ratio: 12.83 hp/ton
  • Maximum Inclination: 40°

Upgraded

  • Engine Power: 600 hp @ 2000 rpm
  • Power-to-Weight Ratio: 14.49 hp/ton
  • Maximum Inclination: 41°

Modules and improvements

History of creation and combat usage

Screenshots and fan art

Skins and camouflages for the SM.79 series from live.warthunder.com.

Additional information (links)

[Devblog] KV-1S: How’s the tank?

References


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ussr_kv_1s.png

Icon-country-sov.png KV-1S
Nation USSR
Type Heavy tank
Rank 2
Battle Rating
4.3
4.3
4.3

   Metric✓       Imperial   

   Metric       Imperial✓   

Characteristics
Weight
41,400 kg
91,271 lb
Number of Crew 5
Hull armour thickness
75/60/60/30 mm
2.95/2.36/2.36/1.18 inches
Statistics
Engine power (stock)
775 hp
531 hp
531 hp
Engine power (upgraded)
954 hp
600 hp
600 hp
HP/ton ratio (stock)
18.72
19.02
12.83
13.03
12.83
13.03
HP/ton ratio (Upgraded)
23.04
23.41
14.49
14.72
14.49
14.72
Max speed
48 km/h
29.7 mph
45 km/h
27.9 mph
45 km/h
27.9 mph
Main Weapon
1 x 76 mm ZIS-5 Cannon
Ammo stowage 114 rounds
Vertical guidance -5°/25°
Secondary Weapon
1 x DT Machine gun
Ammo stowage 1,890 rounds
Mount Coaxial
Economy
Required RP 26,000 RP
Vehicle cost 100,000 SL
Crew training cost 29,000 SL
Max repair cost*
1,740 SL
1,440 SL
1,150 SL
Free repair time (Stock)
16h 36m
20h 02m
18h 29m
Free repair time (Upgraded)
5h 32m
6h 40m
6h 09m
Warning: this sidebar is a WIP and can be incorrect. Last updated 1.75.0.216.