Difference between revisions of "KV-1S"

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[[File:GarageImage_KV-1S.jpg|420px|thumb|left]]
 
[[File:GarageImage_KV-1S.jpg|420px|thumb|left]]
 
{{break}}
 
{{break}}
−
The '''{{specs|name}}''' is a Rank {{specs|rank}} Soviet heavy tank {{Battle-rating}}. It was introduced in [[Update 1.57 "Battle March"]]. A lightened [[KV-1 (L-11)|KV-1]] made to improve its manoeuvrability, the KV-1S has less overall armour than the original design but keeps its same lethality with improved speed.
+
The '''{{specs|name}}''' is a Rank {{specs|rank}} Soviet heavy tank {{Battle-rating}}. It was introduced in [[Update 1.57 "Battle March"]]. A lightened KV-1 made to improve its manoeuvrability, the KV-1S has less overall armour than the original design but keeps its same lethality with improved speed.
  
 
Compared to the KV-1 L-11, side and rear armour are 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 [[KV-1 (ZiS-5)|successor]] and the [[T-34 (1941)|T-34]]'s F-34 guns.
 
Compared to the KV-1 L-11, side and rear armour are 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 [[KV-1 (ZiS-5)|successor]] and the [[T-34 (1941)|T-34]]'s F-34 guns.
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== General info ==
 
== General info ==
 
=== Survivability and armour ===
 
=== Survivability and armour ===
−
<!--''Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat?''
+
<!-- ''Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat? If necessary use a visual template to indicate the most secure and weak zones of the armour.'' -->
−
 
 
−
''If necessary use a visual template to indicate the most secure and weak zones of the armour.''-->
 
 
'''Armour type:'''
 
'''Armour type:'''
  
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{| class="wikitable"
 
{| class="wikitable"
 
|-
 
|-
−
! Armour !! Front !! Sides !! Rear !! Roof
+
! Armour !! Front (Slope angle) !! Sides !! Rear !! Roof
 
|-
 
|-
 
| Hull || 75 mm (30°) ''Front plate'' <br> 50 mm (70°) ''Front glacis'' <br> 25 + 50-60 mm (25-70°) ''Joint plate'' <br> 60 mm (26-50°) ''Lower glacis'' || 60 mm || 60 mm (35-75°) ''Top'' <br> 60 mm (2-69°) ''Bottom'' || 40 mm ''Front'' <br> 30 mm ''Rear''
 
| Hull || 75 mm (30°) ''Front plate'' <br> 50 mm (70°) ''Front glacis'' <br> 25 + 50-60 mm (25-70°) ''Joint plate'' <br> 60 mm (26-50°) ''Lower glacis'' || 60 mm || 60 mm (35-75°) ''Top'' <br> 60 mm (2-69°) ''Bottom'' || 40 mm ''Front'' <br> 30 mm ''Rear''
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| Turret || 82 mm (2-76°) ''Turret front'' <br> 50-75 mm (4-71°) ''Gun mantlet shield'' <br> 90 mm (0-29°) ''Gun mantlet'' || 82 mm (0-25°) || 82 mm (27-56°) <br> 75 mm (1-43°) ''Machine gun port''|| 30 mm
 
| Turret || 82 mm (2-76°) ''Turret front'' <br> 50-75 mm (4-71°) ''Gun mantlet shield'' <br> 90 mm (0-29°) ''Gun mantlet'' || 82 mm (0-25°) || 82 mm (27-56°) <br> 75 mm (1-43°) ''Machine gun port''|| 30 mm
 
|-
 
|-
−
! Armour !! Sides !! Roof
+
| Cupola || colspan="3" style="text-align:center" | 60 mm || 30 mm
−
|-
 
−
| Cupola || 60 mm || 30 mm
 
 
|-
 
|-
 
|}
 
|}
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<!-- ''Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed forwards and backwards.'' -->
 
<!-- ''Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed forwards and backwards.'' -->
  
−
{{tankMobility|abMinHp= 775|rbMinHp= 531|<!--AoAweight=(optional) -->}}
+
{{tankMobility|abMinHp= 775|rbMinHp= 531}}
  
 
== Armaments ==
 
== Armaments ==
 
=== Main armament ===
 
=== Main armament ===
−
<!--''Give the reader information about the characteristics of the main gun. Assess its effectiveness in a battle based on the reloading speed, ballistics and the power of shells. Do not forget about the flexibilty of the fire, that is how quickly the cannon can be aimed at the target, open fire on it and aim at another enemy. Add a link to the main article on the gun: <code><nowiki>{{main|Name of the weapon}}</nowiki></code>. Describe in general terms the ammunition available for the main gun. Give advice on how to use them and how to fill the ammunition storage.''-->
+
<!-- ''Give the reader information about the characteristics of the main gun. Assess its effectiveness in a battle based on the reloading speed, ballistics and the power of shells. Do not forget about the flexibility of the fire, that is how quickly the cannon can be aimed at the target, open fire on it and aim at another enemy. Add a link to the main article on the gun: <code><nowiki>{{main|Name of the weapon}}</nowiki></code>. Describe in general terms the ammunition available for the main gun. Give advice on how to use them and how to fill the ammunition storage.'' -->
 
{{main|ZiS-5 (76 mm)}}
 
{{main|ZiS-5 (76 mm)}}
  
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="100%"
−
|-
 
−
! colspan="6" | [[ZiS-5 (76 mm)|76 mm ZiS-5]]
 
−
|-
 
−
! colspan="3" rowspan="1" style="width:5em" |Capacity
 
−
! rowspan="1" | Vertical <br> guidance
 
−
! rowspan="1" | Horizontal <br> guidance
 
−
! rowspan="1" | Stabilizer
 
−
|-
 
−
| colspan="3" | 114 || -5°/+25° || ±180° || N/A
 
−
|-
 
−
! colspan="6" | Turret rotation speed (°/s)
 
−
|-
 
−
! style="width:4em" |Mode
 
−
! style="width:4em" |Stock
 
−
! style="width:4em" |Upgraded
 
−
! style="width:4em" |Prior + Full crew
 
−
! style="width:4em" |Prior + Expert qualif.
 
−
! style="width:4em" |Prior + Ace qualif.
 
−
|-
 
−
| ''Arcade'' || 7.1 || 9.9 ||16.3||18.0||19.2
 
 
|-
 
|-
−
| ''Realistic'' || 7.1 || 8.4 ||10.2||11.3||12.0
+
! colspan="5" | [[ZiS-5 (76 mm)|76 mm ZiS-5]] || colspan="5" | Turret rotation speed (°/s) || colspan="4" | Reloading rate (seconds)
 
|-
 
|-
−
! colspan="4" | Reloading rate (seconds)
+
! Mode !! Capacity !! Vertical !! Horizontal !! Stabilizer
 +
! Stock !! Upgraded !! Full !! Expert !! Aced
 +
! Stock !! Full !! Expert !! Aced
 
|-
 
|-
−
! colspan="1" style="width:4em" |Stock
+
! ''Arcade''
−
! colspan="1" style="width:4em" |Prior + Full crew
+
| rowspan="2" | 114 || rowspan="2" | -5°/+25° || rowspan="2" | ±180° || rowspan="2" | N/A || 7.1 || 9.9 || 16.3 || 18.0 || 19.2 || rowspan="2" | 9.00 || rowspan="2" | 7.90 || rowspan="2" | 7.30 || rowspan="2" | 6.90
−
! colspan="1" style="width:4em" |Prior + Expert qualif.
 
−
! colspan="1" style="width:4em" |Prior + Ace qualif.
 
 
|-
 
|-
−
| 9.0 ||7.9||7.3||6.9
+
! ''Realistic''
 +
| 7.1 || 8.4 || 10.2 || 11.3 || 12.0
 
|-
 
|-
 
|}
 
|}
  
−
===== Ammunition =====
+
==== Ammunition ====
 +
The available ammunition allows for engaging all types of targets:
 +
 
 +
* '''BR-350A (MD-5 fuze)''': APHEBC; a shell with high explosive mass that will one-shot any tank it penetrates but has an average penetration power.
 +
* '''BR-350P''': APCR; a composite round with the best penetration but no explosive filler and will only penetrate flat vertical surfaces.
 +
* '''BR-350SP''': APBC; a solid shot with an even better penetration but no explosive filler.
 +
* '''BR-350B (MD-8 fuze)''': APHEBC; same shell as the BR-350A but with increased penetration at the cost of slightly less explosive filler.
 +
* '''OF-350M''': HE; useful for destroying open and lightly armoured vehicles.
 +
* '''Sh-354T''': Shrapnel; useful against vehicles that are resistant to the HE shells but too thinly armoured to trigger the fuzes of AP shells.
 +
* '''D-350A''': Smoke; useful to blind enemy vehicles that are too remote for you to disable so that you can progress towards objectives.
 +
 
 
{| class="wikitable sortable" style="text-align:center" width="100%"
 
{| class="wikitable sortable" style="text-align:center" width="100%"
 
! colspan="8" | Penetration statistics
 
! colspan="8" | Penetration statistics
 
|-
 
|-
 
! rowspan="2" data-sort-type="text" | Ammunition
 
! rowspan="2" data-sort-type="text" | Ammunition
−
! rowspan="2" class="unsortable" | Type of <br /> warhead
+
! rowspan="2" | Type of<br>warhead
−
! colspan="6" | '''Penetration''' '''''in mm''''' '''@ 90°'''
+
! colspan="6" | '''Penetration @ 0° Angle of Attack (mm)'''
 
|-
 
|-
−
! 10m
+
! 10 m !! 100 m !! 500 m !! 1,000 m !! 1,500 m !! 2,000 m
−
! 100m
 
−
! 500m
 
−
! 1000m
 
−
! 1500m
 
−
! 2000m
 
 
|-
 
|-
−
| BR-350A || APHEBC ||86||85||76||67||59||52
+
| BR-350A (MD-5 fuze) || APHEBC || 87 || 85 || 76 || 67 || 59 || 52
 
|-
 
|-
−
| BR-350B || APHEBC ||94||92||83||73||65||57
+
| BR-350P || APCR || 125 || 119 || 92 || 68 || 50 || 36
 
|-
 
|-
−
| BR-350SP || APBC ||102||100||91||81||72||64
+
| BR-350SP || APBC || 102 || 100 || 91 || 81 || 72 || 64  
 +
|-
 +
| BR-350B (MD-8 fuze) || APHEBC || 94 || 92 || 83 || 73 || 65 || 57
 
|-  
 
|-  
−
| OF-350M || HE ||10||10||10||10||10||10
+
| OF-350M || HE || 10 || 10 || 10 || 10 || 10 || 10
 
|-  
 
|-  
 
| Sh-354T || Shrapnel || 37 || 35 || 29 || 25 || 20 || 17  
 
| Sh-354T || Shrapnel || 37 || 35 || 29 || 25 || 20 || 17  
−
|-
 
−
| BR-350P || APCR || 135 || 130 || 92 || 60 || 39 || 26
 
 
|-
 
|-
 
|}
 
|}
 
{| class="wikitable sortable" style="text-align:center" width="100%"
 
{| class="wikitable sortable" style="text-align:center" width="100%"
−
! colspan="11" | Shell details
+
! colspan="10" | Shell details
 
|-
 
|-
 
! rowspan="2" data-sort-type="text" | Ammunition
 
! rowspan="2" data-sort-type="text" | Ammunition
−
! rowspan="2" class="unsortable" | Type of <br /> warhead
+
! rowspan="2" | Type of<br>warhead
−
! rowspan="2" |Velocity <br /> in m/s
+
! rowspan="2" | Velocity<br>(m/s)
−
! rowspan="2" |Projectile<br />Mass in kg
+
! rowspan="2" | Projectile<br>Mass (kg)
−
! rowspan="2" | ''Fuse delay''
+
! rowspan="2" | Fuse delay<br>(m)
−
''in m:''
+
! rowspan="2" | Fuse sensitivity<br>(mm)
−
! rowspan="2" | ''Fuse sensitivity''
+
! rowspan="2" | Explosive Mass<br>(TNT equivalent) (g)
−
''in mm:''
+
! colspan="3" | Ricochet
−
! rowspan="2" | ''Explosive Mass in g<br /> (TNT equivalent):''
 
−
! rowspan="2" | ''Normalization At 30° <br> from horizontal:''
 
−
! colspan="3" | ''Ricochet:''
 
 
|-
 
|-
−
! 0%
+
! 0% !! 50% !! 100%
−
! 50%
 
−
! 100%
 
 
|-
 
|-
−
| BR-350A || APHEBC || 665 || 6.3 || 0.15 || 10.0 || 150 || +4° || 48° || 63° || 71°
+
| BR-350A (MD-5 fuze) || APHEBC || 662 || 6.3 || 1.2 || 14 || 150 || 48° || 63° || 71°
 
|-
 
|-
−
| BR-350B || APHEBC || 680 || 6.3 || 0.9 || 15.0 || 108.8 || +4° || 48° || 63° || 71°
+
| BR-350P || APCR || 950 || 3.02 || N/A || N/A || N/A || 66° || 70° || 72°
 
|-
 
|-
−
| BR-350SP || APBC || 680 || 6.8 || N/A || N/A || N/A || +4° || 48° || 63° || 71°
+
| BR-350SP || APBC || 655 || 6.78 || N/A || N/A || N/A || 48° || 63° || 71°
 +
|-
 +
| BR-350B (MD-8 fuze) || APHEBC || 655 || 6.3 || 0.9 || 14 || 108.8 || 48° || 63° || 71°
 
|-  
 
|-  
−
| OF-350M || HE || 680 || 6.2 || 0.05 || 0.1 || 621 || +0° || 79° || 80° || 81°
+
| OF-350M || HE || 680 || 6.2 || 0.05 || 0.1 || 621 || 79° || 80° || 81°
 
|-  
 
|-  
−
| Sh-354T || Shrapnel || 680 || 6.2 || 0.5 || 8.0 || 85 || +0° || 62° || 69° || 73°
+
| Sh-354T || Shrapnel || 680 || 6.2 || 0.5 || 8 || 85 || 62° || 69° || 73°
 
|-
 
|-
−
| BR-350P || APCR || 950 || 3.0 || N/A || N/A || N/A || +1.5° || 66° || 70° || 72°
+
|}
 +
{| class="wikitable" style="text-align:center"
 +
! colspan="7" | Smoke shell characteristics
 +
|-
 +
! Ammunition
 +
! Velocity<br>(m/s)
 +
! Projectile<br>Mass (kg)
 +
! Screen radius<br>(m)
 +
! Screen deploy time<br>(s)
 +
! Screen hold time<br>(s)
 +
! Explosive Mass<br>(TNT equivalent) (g)
 +
|-
 +
| D-350A || 680 || 6.45 || 13 || 5 || 20 || 50
 
|-
 
|-
 
|}
 
|}
  
−
===== [[Ammo racks|Ammo racks]] =====
+
==== [[Ammo racks]] ====
−
[[File:Ammoracks_KV-1S.png|right|thumbnail|x250px|[[Ammo racks|Ammo racks]] of the KV-1S.]]
+
[[File:Ammoracks_{{PAGENAME}}.png|right|thumb|x250px|[[Ammo racks]] of the {{PAGENAME}}]]
−
{| class="wikitable sortable" style="text-align:center"
+
<!-- '''Last updated:''' -->
 +
{| class="wikitable" style="text-align:center"
 
|-
 
|-
−
! class="wikitable unsortable" |Full<br /> ammo
+
! Full<br>ammo
−
! class="wikitable unsortable" |1st<br /> rack empty
+
! 1st<br>rack empty
−
! class="wikitable unsortable" |2nd<br /> rack empty
+
! 2nd<br>rack empty
−
! class="wikitable unsortable" |3rd<br /> rack empty
+
! 3rd<br>rack empty
−
! class="wikitable unsortable" |4th<br /> rack empty
+
! 4th<br>rack empty
−
! class="wikitable unsortable" |5th<br /> rack empty
+
! 5th<br>rack empty
−
! class="wikitable unsortable" |6th<br /> rack empty
+
! 6th<br>rack empty
−
! class="wikitable unsortable" |7th<br /> rack empty
+
! 7th<br>rack empty
−
! class="wikitable unsortable" |Visual<br /> discrepancy
+
! Visual<br>discrepancy
 
|-
 
|-
−
|| '''114''' || 110&nbsp;''(+4)'' || 105&nbsp;''(+9)'' || 100&nbsp;''(+14)'' || 68&nbsp;''(+46)'' || 36&nbsp;''(+78)'' || 24&nbsp;''(+90)'' || 1&nbsp;''(+113)'' || style="text-align:left" | no
+
|| '''114''' || 110&nbsp;''(+4)'' || 105&nbsp;''(+9)'' || 100&nbsp;''(+14)'' || 68&nbsp;''(+46)'' || 36&nbsp;''(+78)'' || 24&nbsp;''(+90)'' || 1&nbsp;''(+113)'' || No
 
|-
 
|-
 
|}
 
|}
−
 
+
Notes:
−
Turret empty: 100&nbsp;''(+14)''
+
* As they are modeled by sets of 2, shells disappear from the rack only after you fire both shells in the set.
 +
* Turret empty: 100&nbsp;''(+14)'' shells.
  
 
=== Machine guns ===
 
=== Machine guns ===
−
<!--''Offensive and anti-aircraft machine guns not only allow you to fight some aircraft but also are effective against lightly armoured vehicles. Evaluate machine guns and give recommendations on its use.''-->
+
<!-- ''Offensive and anti-aircraft machine guns not only allow you to fight some aircraft but also are effective against lightly armoured vehicles. Evaluate machine guns and give recommendations on its use.'' -->
 
{{main|DT (7.62 mm)}}
 
{{main|DT (7.62 mm)}}
  
−
{| class="wikitable" style="text-align:center"
+
{| class="wikitable" style="text-align:center" width="50%"
 
|-
 
|-
−
! colspan="7" | [[DT (7.62 mm)|7.62 mm DT]]
+
! colspan="5" | [[DT (7.62 mm)|7.62 mm DT]]
 
|-
 
|-
−
! colspan="7" | ''Coaxial mount''
+
! Mount !! Capacity (Belt) !! Fire rate !! Vertical !! Horizontal
 
|-
 
|-
−
! colspan="4" rowspan="1" style="width:5em" |Capacity (Belt capacity)
+
| Coaxial || 1,890 (63) || 600 || N/A || N/A
−
! rowspan="1" | Fire rate <br> (shots/minute)
 
−
! rowspan="1" | Vertical <br> guidance
 
−
! rowspan="1" | Horizontal <br> guidance
 
−
|-
 
−
| colspan="4" | 1,890 (63) || 600 || N/A || N/A
 
 
|-
 
|-
 
|}
 
|}
 +
The small calibre of the DT machine gun makes it largely ineffective against all armoured vehicles but the ones with an open compartment. It still can be used to ping targets as a rangefinding help or to mow down minor obstacles blocking your line of sight.
  
 
== Usage in battles ==
 
== Usage in battles ==
 
<!--''Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''-->
 
<!--''Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''-->
−
When playing the '''KV-1S''', remember that you are still a heavy tank. Keep your front armour facing your enemies at all times, and preferably angled (but slightly less than [[KV-1 (L-11)|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 weak spots or areas with the least armour. Flanking attacks could end in a fiery demise. Also, this tank is still a KV-1 in its heart.
+
When playing the {{PAGENAME}}, remember that you are still a heavy tank. Keep your front armour facing your enemies at all times, and preferably angled (but slightly less than [[KV-1 (L-11)]]). The 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 weak spots or areas with the least armour. Flanking attacks could end in a fiery demise. Also, this tank is still a KV-1 in its heart.
  
 
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.
 
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.
  
−
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.IV F2|Pz.IV]]<nowiki/>s & [[StuG III F|StuG]]<nowiki/>s armed with long 7.5 cm gun, as it can penetrate your front armour even if you are angled.
+
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.IV F2|Pz.IV]] & [[StuG III F|StuG]] armed with long 7.5 cm gun, as it can penetrate your front armour 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]] & [[Achilles]])
 
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]] & [[Achilles]])
  
−
Meeting other KV-1's and [[Churchill Mk VII|Churchill]]<nowiki/>s 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 penetration.
+
Meeting other KV-1's and [[Churchill Mk VII|Churchill]] 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 penetration.
  
 
=== Modules ===
 
=== Modules ===
Line 261: Line 250:
  
 
== History ==
 
== History ==
−
During operation barbarossa, the [[KV-1 (Family)]] of tanks had gained weigth in armor due to the increased need for armor. Due to this the KV-1S tank was designed:
+
<!-- ''Describe the history of the creation and combat usage of the vehicle in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the vehicle and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Vehicle-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== In-game description ===</nowiki></code>, also if applicable).'' -->
  
−
major changes included
+
During operation Barbarossa, the [[KV-1 (Family)]] of tanks had gained weight in armor due to the increased need for armor. Due to this the KV-1S tank was designed. Major changes included:
 +
* a new planetary gear transmission improving reliability and allowing the use of regenerative steering
 +
* a new lower profile cast steel turret with a commanders cupola
  
−
* New planetary gear transmission improving reliability and allowing the use of regenrative steering<!--''Describe the history of the creation and combat usage of the ground vehicle in more detail than in the introduction. If the historical reference turns out to be too big, take it to a separate article, taking a link to an article about the vehicle and adding a block "/historical reference" (example: https://wiki.warthunder.com/Name-vehicles/historical reference) and add a link to it here using the <code>main</code> template. Be sure to include links to sources at the end of the article.''-->
+
These changes did bring in to question the usefulness of the tank due to the reduced weight necessitating a reduction in the armor thickness making more akin to the [[T-34 (Family)]] <ref>https://en.wikipedia.org/wiki/Kliment_Voroshilov_tank</ref>
−
* New lower profile Cast steel turret with a commanders cupola; of note is the thinner armor
 
−
 
 
−
Theese changes did bring in to question the usefulness of the tank due to the reduced weigth necetating a reduction in the armor thickness making more akin to the [[T-34 (Family)]] <ref>https://en.wikipedia.org/wiki/Kliment_Voroshilov_tank</ref>
 
  
 
== Media ==
 
== Media ==
−
<!--Excellent additions to the article would be video guides, screenshots from the game, and photos.-->
+
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
−
{{Youtube-gallery|DwbexTKZA-A|'''The Shooting Range #49''' - ''Pages of History'' section at 03:09 discusses the KV-1S.}}
 
  
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* [https://warthunder.com/en/devblog/current/868/ [Devblog<nowiki>]</nowiki> KV-1S: How’s the tank?]
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{{Youtube-gallery|DwbexTKZA-A|'''The Shooting Range #49''' - ''Pages of History'' section at 03:09 discusses the {{PAGENAME}}.}}
  
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Revision as of 15:26, 11 November 2020

KV-1S
ussr_kv_1s.png
KV-1S
USSR flag.png USSR
II Rank
Battle rating:
AB RB SB
4.0 4.0 4.0
Class:
Research:14 000 Specs-Card-Exp.png
Purchase:32 000 Specs-Card-Lion.png
Show in game
This page is about the Soviet heavy tank KV-1S. For other versions, see KV-1 (Family).

Description

GarageImage KV-1S.jpg


The KV-1S is a Rank II Soviet heavy tank with a battle rating of 4.0 (AB/RB/SB). It was introduced in Update 1.57 "Battle March". A lightened KV-1 made to improve its manoeuvrability, the KV-1S has less overall armour than the original design but keeps its same lethality with improved speed.

Compared to the KV-1 L-11, side and rear armour are 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.

General info

Survivability and armour

Armour type:

  • Rolled homogeneous armour (Hull, Turret roof)
  • Cast homogeneous armour (Turret)
Armour Front (Slope angle) 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
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 centre 55 mm area.

Mobility

Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 48 19 42.5 775 1,145 18.24 26.94
Realistic 45 18 531 600 12.49 14.12

Armaments

Main armament

Main article: ZiS-5 (76 mm)
76 mm ZiS-5 Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 114 -5°/+25° ±180° N/A 7.1 9.9 16.3 18.0 19.2 9.00 7.90 7.30 6.90
Realistic 7.1 8.4 10.2 11.3 12.0

Ammunition

The available ammunition allows for engaging all types of targets:

  • BR-350A (MD-5 fuze): APHEBC; a shell with high explosive mass that will one-shot any tank it penetrates but has an average penetration power.
  • BR-350P: APCR; a composite round with the best penetration but no explosive filler and will only penetrate flat vertical surfaces.
  • BR-350SP: APBC; a solid shot with an even better penetration but no explosive filler.
  • BR-350B (MD-8 fuze): APHEBC; same shell as the BR-350A but with increased penetration at the cost of slightly less explosive filler.
  • OF-350M: HE; useful for destroying open and lightly armoured vehicles.
  • Sh-354T: Shrapnel; useful against vehicles that are resistant to the HE shells but too thinly armoured to trigger the fuzes of AP shells.
  • D-350A: Smoke; useful to blind enemy vehicles that are too remote for you to disable so that you can progress towards objectives.
Penetration statistics
Ammunition Type of
warhead 		Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
BR-350A (MD-5 fuze) APHEBC 87 85 76 67 59 52
BR-350P APCR 125 119 92 68 50 36
BR-350SP APBC 102 100 91 81 72 64
BR-350B (MD-8 fuze) APHEBC 94 92 83 73 65 57
OF-350M HE 10 10 10 10 10 10
Sh-354T Shrapnel 37 35 29 25 20 17
Shell details
Ammunition Type of
warhead 		Velocity
(m/s) 		Projectile
Mass (kg) 		Fuse delay
(m) 		Fuse sensitivity
(mm) 		Explosive Mass
(TNT equivalent) (g) 		Ricochet
0% 50% 100%
BR-350A (MD-5 fuze) APHEBC 662 6.3 1.2 14 150 48° 63° 71°
BR-350P APCR 950 3.02 N/A N/A N/A 66° 70° 72°
BR-350SP APBC 655 6.78 N/A N/A N/A 48° 63° 71°
BR-350B (MD-8 fuze) APHEBC 655 6.3 0.9 14 108.8 48° 63° 71°
OF-350M HE 680 6.2 0.05 0.1 621 79° 80° 81°
Sh-354T Shrapnel 680 6.2 0.5 8 85 62° 69° 73°
Smoke shell characteristics
Ammunition Velocity
(m/s) 		Projectile
Mass (kg) 		Screen radius
(m) 		Screen deploy time
(s) 		Screen hold time
(s) 		Explosive Mass
(TNT equivalent) (g)
D-350A 680 6.45 13 5 20 50

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 		Visual
discrepancy
114 110 (+4) 105 (+9) 100 (+14) 68 (+46) 36 (+78) 24 (+90) 1 (+113) No

Notes:

  • As they are modeled by sets of 2, shells disappear from the rack only after you fire both shells in the set.
  • Turret empty: 100 (+14) shells.

Machine guns

Main article: DT (7.62 mm)
7.62 mm DT
Mount Capacity (Belt) Fire rate Vertical Horizontal
Coaxial 1,890 (63) 600 N/A N/A

The small calibre of the DT machine gun makes it largely ineffective against all armoured vehicles but the ones with an open compartment. It still can be used to ping targets as a rangefinding help or to mow down minor obstacles blocking your line of sight.

Usage in battles

When playing the KV-1S, remember that you are still a heavy tank. Keep your front armour facing your enemies at all times, and preferably angled (but slightly less than KV-1 (L-11)). The 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 weak spots or areas with the least armour. Flanking attacks could end in a fiery demise. Also, this tank is still a KV-1 in its heart.

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.

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.IV & StuG armed with long 7.5 cm gun, as it can penetrate your front armour 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 & Achilles)

Meeting other KV-1's and Churchill 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 penetration.

Modules

Tier Mobility Protection Firepower
I Tracks Parts Horizontal Drive BR-350SP
II Suspension Brake System FPE Adjustment of Fire BR-350B (MD-8 fuze)
III Filters Crew Replenishment Elevation Mechanism BR-350P
IV Transmission Engine D-350A

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 armour 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.

History

During operation Barbarossa, the KV-1 (Family) of tanks had gained weight in armor due to the increased need for armor. Due to this the KV-1S tank was designed. Major changes included:

  • a new planetary gear transmission improving reliability and allowing the use of regenerative steering
  • a new lower profile cast steel turret with a commanders cupola

These changes did bring in to question the usefulness of the tank due to the reduced weight necessitating a reduction in the armor thickness making more akin to the T-34 (Family) [1]

Media

Skins
Videos
The Shooting Range #49 - Pages of History section at 03:09 discusses the KV-1S.

See also

Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the vehicles;
  • links to approximate analogues of other nations and research trees.

External links

References

  1. ↑ https://en.wikipedia.org/wiki/Kliment_Voroshilov_tank


USSR heavy tanks
KV-1  KV-1 (L-11) · KV-1 (ZiS-5) · KV-1E · KV-1S
KV-2  KV-2 (1939) · KV-2 (1940) · KV-2 (ZiS-6)
Other KVs  KV-85 · KV-122 · KV-220
IS-1/2  IS-1 · IS-2 · IS-2 (1944) · IS-2 No.321 · IS-2 "Revenge" · Object 248
Other IS tanks  IS-3 · IS-4M · IS-6 · IS-7
T-10  T-10A · T-10M
Multi-turreted  T-35 · SMK
Other  Object 279
Lend-Lease  ▂MK-II "Matilda"

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