Difference between revisions of "Ikv 91-105"

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{{About
 +
| about = Swedish light tank '''{{PAGENAME}}'''
 +
| usage = the 90 mm variant
 +
| link = Ikv 91
 +
}}
 
{{Specs-Card
 
{{Specs-Card
 
|code=sw_ikv_91_105
 
|code=sw_ikv_91_105
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== Description ==
 
== Description ==
 
<!-- ''In the description, the first part should be about the history of the creation and combat usage of the vehicle, as well as its key features. In the second part, tell the reader about the ground vehicle in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
 
<!-- ''In the description, the first part should be about the history of the creation and combat usage of the vehicle, as well as its key features. In the second part, tell the reader about the ground vehicle in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
−
The '''{{Specs|name}}''' is a rank {{Specs|rank}} Swedish light tank {{Battle-rating}}. It was introduced in [[Update "Ixwa Strike"]].
+
The '''ikv 91-105''' was an upgrade program meant to fulfil the needs of the Indian army for a new amphibious light tank. Although it never reached production or service with any army, it was considered by Sweden as an upgrade for their regular ikv 91s. SAAB fully developed the program, it included a new super-low-recoil 105 mm gun provided by Rheinmetall, since the vehicle could not sustain the pressure from more advanced 105 mm cannons. The commander and gunner also received new fire control systems, with IR night vision devices provided by SAAB. While India considered the tank, the vehicle was never adopted, and the same could be said about the Swedish Army, that considered the tank too weak for such weaponry, and instead used the strv 122 and strf 90 to fulfil the role of the ikv 91 in the following years.
 +
 
 +
Introduced in [[Update "Ixwa Strike"]], the '''{{Specs|name}}''' has access to a set of very decent characteristics at its BR. For example, while it may lack advanced fire control systems with thermal sight, it does have very good mobility, making it a very lethal light tank if it tries to flank main enemy columns. Its best round, the slpprj m/80 has good penetration values, and coupled with its two-axis stabilizer and a laser rangefinder, it will be one of the first to shoot if it acquires a target fast enough. Gun depression is good enough at -8 degrees, which makes it capable of attacking over hills and mountains. It should be noted that the reverse speed is not great, and it should use its smoke launchers when reversing to avoid getting stuck in a bad position.
  
 
== General info ==
 
== General info ==
 +
[[File:Ikv 91-105 Profile Image.png|left|thumb|300px|{{PAGENAME}} as seen from the side.]]
 +
The {{PAGENAME}} is a Swedish light tank that offers accurate firepower with good mobility. The gun fires highly devastating APFSDS rounds that can effectively deal with targets opposing it around flanking routes and open fields. The tank relies heavily on shooting first, as the vehicle features little protection to save it. This requires the user to creatively position the vehicle so enemies are ensured to be shot first, to avoid any possible incoming damage. The gun is well equipped with a two-plane stabilizer and laser rangefinder, which guarantees a perfect shot at any range when used properly. As a secondary line of defence, the {{PAGENAME}} features a good amount of smoke grenades that quickly deploy high above the tank, allowing it to very effectively escape either by reversing or swiftly turning around.
 +
 +
Overall, the {{PAGENAME}} is a great tank for anyone already used to the [[Ikv 91]] looking for a modernized alternative, as well as for anyone interested in a conventional light tank at this high rank.
 +
 
=== Survivability and armour ===
 
=== Survivability and armour ===
 
{{Specs-Tank-Armour}}
 
{{Specs-Tank-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? If necessary use a visual template to indicate the most secure and weak zones of the 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? If necessary use a visual template to indicate the most secure and weak zones of the 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? If necessary use a visual template to indicate the most secure and weak zones of the armour.''
+
The {{PAGENAME}} is a light vehicle. In order to remain agile, the {{PAGENAME}} is forced to sacrifice most of its protection. The hull and turret sport a different shape compared to the earlier [[Ikv 91]], but overall maintain the same level of protection. The upper and lower plates can occasionally protect against .50 cal MG fire, but the turret is often left exposed. The {{PAGENAME}} should always avoid incoming fire from large-calibre machine guns and cannons, as they are more than likely guaranteed to damage the tank internally.
  
−
'''Armour type:''' <!-- The types of armour present on the vehicle and their general locations -->
+
'''Armour type:'''
−
<!-- Example: * Rolled homogeneous armour (Front, Side, Rear, Hull roof)
+
 
−
* Cast homogeneous armour (Turret, Transmission area) -->
+
* Rolled homogeneous armour (hull, turret)
 +
* High-hardness rolled homogeneous armour (hull sides, lower front plate)
  
 
{| class="wikitable"
 
{| class="wikitable"
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! Armour !! Front (Slope angle) !! Sides !! Rear !! Roof
 
! Armour !! Front (Slope angle) !! Sides !! Rear !! Roof
 
|-
 
|-
−
| Hull || ___ mm || ___ mm ''Top'' <br> ___ mm ''Bottom'' || ___ mm || ___ - ___ mm
+
| Hull || 12 mm (30-45°) ''Top'' <br> 20 mm (37°) ''Bottom'' || 4 mm ''Top'' <br> 8 mm ''Bottom'' || 8 mm (15°) ''Top'' <br> 8 mm (20°) ''Bottom'' || 8-12 mm
 
|-
 
|-
−
| Turret || ___ - ___ mm ''Turret front'' <br> ___ mm ''Gun mantlet'' || ___ - ___ mm || ___ - ___ mm || ___ - ___ mm
+
| Turret || 12 mm (0-50°) ''Turret front'' <br> 12 mm (0-50°) ''Gun mantlet'' || 12 mm (10-40°) || 12 mm (0-30°) || 12 mm (0-15°)
 
|-
 
|-
−
| Cupola || ___ mm || ___ mm || ___ mm || ___ mm
+
| Cupola || 12 mm || 12 mm || 12 mm || 12 mm
 
|-
 
|-
 
|}
 
|}
  
−
'''Notes:''' <!-- Any additional notes which the user needs to be aware of -->
+
'''Notes:'''
−
<!-- Example: * Suspension wheels are 20 mm thick, tracks are 30 mm thick, and torsion bars are 60 mm thick. -->
+
 
 +
* Tracks are 15 mm thick, while suspension wheels and torsion bars are 20 mm thick.
 +
* Belly armour is 10 mm thick.
  
 
=== Mobility ===
 
=== Mobility ===
 
{{Specs-Tank-Mobility}}
 
{{Specs-Tank-Mobility}}
 
<!-- ''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.'' -->
 +
[[File:Ikv 91-105 Mobility Image.png|thumb|250px|{{PAGENAME}} moving through tall grass]]
  
 
{{tankMobility|abMinHp=558|rbMinHp=318}}
 
{{tankMobility|abMinHp=558|rbMinHp=318}}
 +
 +
Although the mobility of the {{PAGENAME}} can come off as mediocre, the overall agility of the vehicle is very comfortable in battle. The tank is able to neutral steer without any issue, and has enough speed in both directions to avoid most situations. The engine is essentially identical to the prior [[Ikv 91]], and thus struggles a lot when difficult slopes are encountered, considering the tank is significantly heavier than its original variant.
  
 
=== Modifications and economy ===
 
=== Modifications and economy ===
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<!-- ''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.'' -->
 
<!-- ''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|kan Bofors (105 mm)}}
 
{{main|kan Bofors (105 mm)}}
 +
[[File:Ikv 91-105 Firing Image.png|thumb|{{PAGENAME}} firing the main 105 mm cannon.]]
 +
The 105 mm cannon found on the {{PAGENAME}} is a two-plane stabilized gun, capable of firing sub-calibre munitions, such as the Slpprj m/80, that perform favourably against most vehicles it faces. Although the penetration might seem like a downgrade compared to the HEATFS found on the prior [[Ikv 91]], the shells fired have a much higher velocity, and devastating penetration values at high angles.
 +
 +
The cannon is paired with a laser rangefinder, which automatically adjusts the elevation at range. This makes the {{PAGENAME}} very capable at distanced engagements, as the gun can fire with perfect accuracy as soon as the target has been measured. The user still has to account for target movement, as well as objects or terrain obstructing the target. But when used carefully, the gun only really requires a single shot per target.
  
 
{| class="wikitable" style="text-align:center" width="100%"
 
{| class="wikitable" style="text-align:center" width="100%"
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|-
 
|-
 
! ''Arcade''
 
! ''Arcade''
−
| rowspan="2" | 40 || rowspan="2" | -8°/+15° || rowspan="2" | ±180° || rowspan="2" | Two-plane || 19.0 || 26.4 || 32.0 || 35.4 || 37.7 || rowspan="2" | 8.71 || rowspan="2" | 7.70 || rowspan="2" | 7.10 || rowspan="2" | 6.70
+
| rowspan="2" | 40 || rowspan="2" | -8°/+15° || rowspan="2" | ±180° || rowspan="2" | Two-plane || 23.8 || 32.9 || 40.0 || 44.2 || 47.1 || rowspan="2" | 8.71 || rowspan="2" | 7.70 || rowspan="2" | 7.10 || rowspan="2" | 6.70
 
|-
 
|-
 
! ''Realistic''
 
! ''Realistic''
−
| 11.9 || 14.0 || 17.0 || 18.8 || 20.0
+
| 14.9 || 17.5 || 21.3 || 23.5 || 25.0
 
|-
 
|-
 
|}
 
|}
  
 
==== Ammunition ====
 
==== Ammunition ====
−
{| class="wikitable sortable" style="text-align:center" width="100%"
+
{{:kan Bofors (105 mm)/Ammunition|slpprj m/62, slsgr m/61A, slspgr m/61, rökgr m/61, slpprj m/80}}
−
! colspan="8" | Penetration statistics
 
−
|-
 
−
! rowspan="2" data-sort-type="text" | Ammunition
 
−
! rowspan="2" | Type of<br>warhead
 
−
! colspan="6" | Penetration @ 0° Angle of Attack (mm)
 
−
|-
 
−
! 10 m !! 100 m !! 500 m !! 1,000 m !! 1,500 m !! 2,000 m
 
−
|-
 
−
| slpprj m/62 || APDS || 260 || 258 || 250 || 240 || 231 || 222
 
−
|-
 
−
| slsgr m/61A || HE || 23 || 23 || 23 || 23 || 23 || 23
 
−
|-
 
−
| Shell L35 || HESH || 127 || 127 || 127 || 127 || 127 || 127
 
−
|-
 
−
| slpprj m/80 || APFSDS || 337 || 335 || 330 || 322 || 314 || 306
 
−
|-
 
−
|}
 
−
{| class="wikitable sortable" style="text-align:center" width="100%"
 
−
! colspan="10" | Shell details
 
−
|-
 
−
! rowspan="2" data-sort-type="text" | Ammunition
 
−
! rowspan="2" | Type of<br>warhead
 
−
! rowspan="2" | Velocity<br>(m/s)
 
−
! rowspan="2" | Projectile<br>Mass (kg)
 
−
! rowspan="2" | Fuse delay<br>(m)
 
−
! rowspan="2" | Fuse sensitivity<br>(mm)
 
−
! rowspan="2" | Explosive Mass<br>(TNT equivalent) (g)
 
−
! colspan="3" | Ricochet
 
−
|-
 
−
! 0% !! 50% !! 100%
 
−
|-
 
−
| slpprj m/62 || APDS || 1,450 || 4.5 || N/A || N/A || N/A || 75° || 78° || 80°
 
−
|-
 
−
| slsgr m/61A || HE || 680 || 14.4 || 0 || 0.1 || 1,830 || 79° || 80° || 81°
 
−
|-
 
−
| Shell L35 || HESH || 730 || 14.85 || 0.05 || 0.1 || 4,780 || 73° || 77° || 80°
 
−
|-
 
−
| slpprj m/80 || APFSDS || 1,455 || 3.79 || N/A || N/A || N/A || 78° || 80° || 81°
 
−
|-
 
−
|}
 
−
{| 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)
 
−
|-
 
−
| rökgr m/61 || 330 || 18.7 || 20 || 5 || 25 || 50
 
−
|-
 
−
|}
 
  
 
==== [[Ammo racks]] ====
 
==== [[Ammo racks]] ====
−
<!-- [[File:Ammoracks_{{PAGENAME}}.png|right|thumb|x250px|[[Ammo racks]] of the {{PAGENAME}}]] -->
+
[[File:Ammoracks_{{PAGENAME}}.png|right|thumb|x250px|[[Ammo racks]] of the {{PAGENAME}}]]
−
<!-- '''Last updated:''' -->
+
<!-- '''Last updated: 2.7.0.109''' -->
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
Line 131: Line 99:
 
! 2nd<br>rack empty
 
! 2nd<br>rack empty
 
! 3rd<br>rack empty
 
! 3rd<br>rack empty
−
! 4th<br>rack empty
 
−
! 5th<br>rack empty
 
−
! 6th<br>rack empty
 
 
! Visual<br>discrepancy
 
! Visual<br>discrepancy
 
|-
 
|-
−
| '''40''' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __
+
| '''40''' || 28&nbsp;''(+12)'' || 12&nbsp;''(+28)'' || 1&nbsp;''(+39)'' || No
 
|-
 
|-
 
|}
 
|}
 +
'''Notes''':
 +
 +
* Shells are modeled individually and disappear after having been shot or loaded.
 +
* Rack 3 is a first stage ammo rack. It totals 11 shells and gets filled first when loading up the tank.
 +
* This rack is also emptied early: the rack depletion order at full capacity is: 3 - 1 - 2.
 +
* Simply not firing when the gun is loaded will move ammo from racks 1-2 into rack 3. Firing will interrupt the restocking of the ready racks.
  
 
=== Machine guns ===
 
=== Machine guns ===
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<!-- ''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|ksp m/39B (8 mm)}}
 
{{main|ksp m/39B (8 mm)}}
−
''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.''
+
 
 +
The {{PAGENAME}} features two 8 mm machine guns. These are quite common for most Swedish tankers, and are only effective against exposed crew, and slow flying helicopters. The 8 mm rounds are quite effective at dealing with light obstacles like small fences and foliage, but should always be used with caution, as the tracers can expose the location of the vehicle.
  
 
{| class="wikitable" style="text-align:center" width="50%"
 
{| class="wikitable" style="text-align:center" width="50%"
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| Coaxial || 2,250 (250) || 649 || N/A || N/A
 
| Coaxial || 2,250 (250) || 649 || N/A || N/A
 
|-
 
|-
−
| Pintle || 2,000 (250) || 649 || __° || __°
+
| Pintle || 2,000 (250) || 649 || -5°/+15° || ±80°
 
|-
 
|-
 
|}
 
|}
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== 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 instead 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 instead 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 instead 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 {{PAGENAME}}, it's important to play like a light tank. The {{PAGENAME}}, although nimble, can be quite slow when stock. Overall the tank struggles to maintain a high speed, and will often lag behind other vehicles of the same class. The great compensation for this is the firepower. Thanks to a deadly arsenal of shells, along with a stabilizer, the tank engages any vehicle it faces with ease. Paired with a stabilizer and laser rangefinder, the {{PAGENAME}} can comfortably attack at any distance. This makes the {{PAGENAME}} very flexible, as you can use it both as a long range reconnaissance sniper, and a close range glass cannon.
 +
 
 +
When a match starts, it's always optimal to look for a favourable location within reach. If mobility allows you to surprise your opponents, it can be a favourable choice, especially in close quarter maps. While other situations could call for distanced engagements, such as unexpected sight-lines and well hidden ambushes, as the tank is fairly easy to hide. On top of its small profile, the {{PAGENAME}} features a good amount of smoke launchers, that quickly deploy and conceal the vehicle when necessary.
 +
 
 +
A typical engagement scenario:
 +
 
 +
# Rush to a position with a favourable line of sight
 +
# Engage opponents without exposing yourself
 +
# Scout targets for your team
 +
# Deploy smoke grenades to help your team retreat
  
 
=== Pros and cons ===
 
=== Pros and cons ===
 
<!-- ''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in a bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
 
<!-- ''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in a bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
  
−
'''Pros:'''  
+
'''Pros:'''
  
 
* Hard-hitting 105 mm cannon
 
* Hard-hitting 105 mm cannon
−
* Amphibious design
 
 
* Small profile, shorter than most tanks
 
* Small profile, shorter than most tanks
−
* Great mobility and traverse  
+
* Great mobility and traverse
−
* Ability to scout and repair
+
* Ability to scout
 
* Access to night vision devices
 
* Access to night vision devices
  
 
'''Cons:'''
 
'''Cons:'''
  
−
* Lightly armoured, insufficient even to .50 cal MG fire
+
* Lightly armoured, insufficient even to resist .50 cal MG fire
 
* Mediocre rate of fire
 
* Mediocre rate of fire
 
* Inconsistent depression angles, uncomfortable to aim behind cover
 
* Inconsistent depression angles, uncomfortable to aim behind cover
Line 184: Line 165:
 
== History ==
 
== History ==
 
<!-- ''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).'' -->
 
<!-- ''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).'' -->
−
''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).''
+
AB Hägglunds & Söner, the company behind the [[ikv 91]] light tank, had high hopes for a successful export market, outside the domestic use of the platform. The design had been ill-fated early since the chassis was too weak to handle high-pressure weaponry, necessary for sub-calibre munitions. By the 1980s however, the ability to mount a high pressure 105 mm cannon was taken to consideration, as Bofors had developed a low-recoil variant. This design idea quickly took shape in 1983 as India was looking for a new amphibious light tank. The requirements involved full firing capability when submerged, meaning the cannon had to be stabilized. The vehicle introduced a commanders fire control system, as well as Infra-red night vision devices provided by SAAB. The new gun was the Rheinmetall Rh 105-11 super-low recoil gun in a new turret. This increased the weight up to 2 tons, however the amphibious speed was also increased to 12 km/h thanks to a new engine.
 +
 
 +
India evaluated the design, along with other countries, but ultimately no series production was ever established. The Swedish Army considered a possible modernization of the ikv 91 by using this 105 mm gun with minor modifications, but it was never adopted. This was thanks to the end of the Cold War, and the fact that the design was considered too weak for modern times. Instead, its role would later be filled by the strv 122 and the strf 90 IFV.
  
 
== Media ==
 
== Media ==
Line 191: Line 174:
 
;Skins
 
;Skins
  
−
* [https://live.warthunder.com/feed/camouflages/?vehicleCountry=sweden&vehicleType=tank&vehicleClass=light_tank&vehicle=sw_ikv_91_105 Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
+
* [https://live.warthunder.com/feed/camouflages/?vehicle=sw_ikv_91_105 Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
  
 
;Videos
 
;Videos
−
{{Youtube-gallery|8O6saI_fQ2Y|'''The Shooting Range #244''' - ''Metal Beasts'' section at 00:25 discusses the {{PAGENAME}}.}}
+
{{Youtube-gallery|a_6yLTMZ5Kk|'''Swedish Simplicity - ikv 91 105''' - ''JustinPlays''|8O6saI_fQ2Y|'''The Shooting Range #244''' - ''Metal Beasts'' section at 00:25 discusses the {{PAGENAME}}.}}
  
 
== See also ==
 
== See also ==
Line 200: Line 183:
 
* ''reference to the series of the vehicles;''
 
* ''reference to the series of the vehicles;''
 
* ''links to approximate analogues of other nations and research trees.'' -->
 
* ''links to approximate analogues of other nations and research trees.'' -->
−
''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;''
+
'''Similar Swedish tanks'''
−
* ''links to approximate analogues of other nations and research trees.''
+
 
 +
* [[CV 90105 TML]]
 +
 
 +
'''Similar tanks in terms of performance and BR'''
 +
 
 +
* [[Centauro (Family)]]
 +
* [[VFM5]]
 +
* [[Object 685]]
 +
* [[TAM (Family)]]
 +
* [[MARS 15]]
  
 
== External links ==
 
== External links ==
Line 209: Line 200:
 
* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
 
* ''other literature.'' -->
 
* ''other literature.'' -->
−
''Paste links to sources and external resources, such as:''
 
  
−
* ''topic on the official game forum;''
+
* [https://forum.warthunder.com/index.php?/topic/427651-ikv-91-production-and-prototype-ikv-91-105/ Forum suggestion for the Ikv 91-105]
−
* ''other literature.''
 
  
 +
{{TankManufacturer Hagglund}}
 
{{Sweden light tanks}}
 
{{Sweden light tanks}}

Latest revision as of 20:03, 22 November 2023

Rank 7 USA
F-5C Pack
This page is about the Swedish light tank Ikv 91-105. For the 90 mm variant, see Ikv 91.
Ikv 91-105
sw_ikv_91_105.png
GarageImage Ikv 91-105.jpg
Ikv 91-105
Sweden flag.png Sweden
VI Rank
Battle rating:
AB RB SB
8.7 8.7 8.7
Class:
Research:160 000 Specs-Card-Exp.png
Purchase:450 000 Specs-Card-Lion.png
Show in game

Description

The ikv 91-105 was an upgrade program meant to fulfil the needs of the Indian army for a new amphibious light tank. Although it never reached production or service with any army, it was considered by Sweden as an upgrade for their regular ikv 91s. SAAB fully developed the program, it included a new super-low-recoil 105 mm gun provided by Rheinmetall, since the vehicle could not sustain the pressure from more advanced 105 mm cannons. The commander and gunner also received new fire control systems, with IR night vision devices provided by SAAB. While India considered the tank, the vehicle was never adopted, and the same could be said about the Swedish Army, that considered the tank too weak for such weaponry, and instead used the strv 122 and strf 90 to fulfil the role of the ikv 91 in the following years.

Introduced in Update "Ixwa Strike", the Infanterikanonvagn 91-105 has access to a set of very decent characteristics at its BR. For example, while it may lack advanced fire control systems with thermal sight, it does have very good mobility, making it a very lethal light tank if it tries to flank main enemy columns. Its best round, the slpprj m/80 has good penetration values, and coupled with its two-axis stabilizer and a laser rangefinder, it will be one of the first to shoot if it acquires a target fast enough. Gun depression is good enough at -8 degrees, which makes it capable of attacking over hills and mountains. It should be noted that the reverse speed is not great, and it should use its smoke launchers when reversing to avoid getting stuck in a bad position.

General info

Ikv 91-105 as seen from the side.

The Ikv 91-105 is a Swedish light tank that offers accurate firepower with good mobility. The gun fires highly devastating APFSDS rounds that can effectively deal with targets opposing it around flanking routes and open fields. The tank relies heavily on shooting first, as the vehicle features little protection to save it. This requires the user to creatively position the vehicle so enemies are ensured to be shot first, to avoid any possible incoming damage. The gun is well equipped with a two-plane stabilizer and laser rangefinder, which guarantees a perfect shot at any range when used properly. As a secondary line of defence, the Ikv 91-105 features a good amount of smoke grenades that quickly deploy high above the tank, allowing it to very effectively escape either by reversing or swiftly turning around.

Overall, the Ikv 91-105 is a great tank for anyone already used to the Ikv 91 looking for a modernized alternative, as well as for anyone interested in a conventional light tank at this high rank.

Survivability and armour

Smoke grenades
Creation of a smoke screen in front of the vehicle
Armourfront / side / back
Hull12 / 12 / 8
Turret8 / 12 / 12
Crew4 people
Visibility84 %

The Ikv 91-105 is a light vehicle. In order to remain agile, the Ikv 91-105 is forced to sacrifice most of its protection. The hull and turret sport a different shape compared to the earlier Ikv 91, but overall maintain the same level of protection. The upper and lower plates can occasionally protect against .50 cal MG fire, but the turret is often left exposed. The Ikv 91-105 should always avoid incoming fire from large-calibre machine guns and cannons, as they are more than likely guaranteed to damage the tank internally.

Armour type:

  • Rolled homogeneous armour (hull, turret)
  • High-hardness rolled homogeneous armour (hull sides, lower front plate)
Armour Front (Slope angle) Sides Rear Roof
Hull 12 mm (30-45°) Top
20 mm (37°) Bottom 		4 mm Top
8 mm Bottom 		8 mm (15°) Top
8 mm (20°) Bottom 		8-12 mm
Turret 12 mm (0-50°) Turret front
12 mm (0-50°) Gun mantlet 		12 mm (10-40°) 12 mm (0-30°) 12 mm (0-15°)
Cupola 12 mm 12 mm 12 mm 12 mm

Notes:

  • Tracks are 15 mm thick, while suspension wheels and torsion bars are 20 mm thick.
  • Belly armour is 10 mm thick.

Mobility

Speedforward / back
AB72 / 13 km/h
RB and SB65 / 12 km/h
Number of gears8 forward
2 back
Weight18.7 t
Engine power
AB687 hp
RB and SB360 hp
Power-to-weight ratio
AB36.7 hp/t
RB and SB19.3 hp/t
Ikv 91-105 moving through tall grass
Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 72 13 18.7 558 687 29.84 36.74
Realistic 65 12 318 360 17.01 19.25

Although the mobility of the Ikv 91-105 can come off as mediocre, the overall agility of the vehicle is very comfortable in battle. The tank is able to neutral steer without any issue, and has enough speed in both directions to avoid most situations. The engine is essentially identical to the prior Ikv 91, and thus struggles a lot when difficult slopes are encountered, considering the tank is significantly heavier than its original variant.

Modifications and economy

Repair costBasic → Reference
AB3 417 → 5 245 Sl icon.png
RB3 659 → 5 616 Sl icon.png
SB4 385 → 6 730 Sl icon.png
Total cost of modifications134 100 Rp icon.png
225 400 Sl icon.png
Talisman cost2 400 Ge icon.png
Crew training130 000 Sl icon.png
Experts450 000 Sl icon.png
Aces2 000 Ge icon.png
Research Aces890 000 Rp icon.png
Reward for battleAB / RB / SB
120 / 160 / 200 % Sl icon.png
214 / 214 / 214 % Rp icon.png
Modifications
Mobility Protection Firepower
Mods new tank traks.png
Tracks
Research:
5 700 Rp icon.png
Cost:
9 000 Sl icon.png
310 Ge icon.png
Mods new tank suspension.png
Suspension
Research:
5 300 Rp icon.png
Cost:
8 400 Sl icon.png
290 Ge icon.png
Mods new tank break.png
Brake System
Research:
5 300 Rp icon.png
Cost:
8 400 Sl icon.png
290 Ge icon.png
Mods new tank filter.png
Filters
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
390 Ge icon.png
Mods new tank transmission.png
Transmission
Research:
9 200 Rp icon.png
Cost:
15 000 Sl icon.png
500 Ge icon.png
Mods new tank engine.png
Engine
Research:
9 200 Rp icon.png
Cost:
15 000 Sl icon.png
500 Ge icon.png
Mods tank tool kit.png
Improved Parts
Research:
1 700 Rp icon.png
Cost:
9 000 Sl icon.png
310 Ge icon.png
Mods extinguisher.png
Improved FPE
Research:
1 600 Rp icon.png
Cost:
8 400 Sl icon.png
290 Ge icon.png
Mods tank reinforcement sw.png
Crew Replenishment
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
390 Ge icon.png
Mods smoke screen.png
Smoke grenade
Research:
9 200 Rp icon.png
Cost:
15 000 Sl icon.png
500 Ge icon.png
Mods new tank horizontal aiming.png
Horizontal Drive
Research:
5 700 Rp icon.png
Cost:
9 000 Sl icon.png
310 Ge icon.png
Mods tank ammo.png
105mm_usa_HESH_ammo_pack
Research:
5 700 Rp icon.png
Cost:
9 000 Sl icon.png
310 Ge icon.png
Mods tank ammo.png
105mm_us_M416_Smoke_ammo_pack
Research:
5 700 Rp icon.png
Cost:
9 000 Sl icon.png
310 Ge icon.png
Mods tank cannon.png
Adjustment of Fire
Research:
5 300 Rp icon.png
Cost:
8 400 Sl icon.png
290 Ge icon.png
Mods airstrike.png
Airstrike
Research:
5 300 Rp icon.png
Cost:
8 400 Sl icon.png
290 Ge icon.png
Mods scout streak.png
Scout UAV
Research:
5 300 Rp icon.png
Cost:
8 400 Sl icon.png
290 Ge icon.png
Mods new tank vertical aiming.png
Elevation Mechanism
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
390 Ge icon.png
Mods scouting.png
Improved optics
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
390 Ge icon.png
Mods tank ammo.png
105mm_usa_M735_APDS_FS_ammo_pack
Research:
7 100 Rp icon.png
Cost:
11 000 Sl icon.png
390 Ge icon.png
Mods art support.png
Artillery Support
Research:
9 200 Rp icon.png
Cost:
15 000 Sl icon.png
500 Ge icon.png
Mods tank laser rangefinder.png
Laser rangefinder
Research:
9 200 Rp icon.png
Cost:
15 000 Sl icon.png
500 Ge icon.png

Armaments

Laser rangefinder
Reduces the error and increases the maximum measurable distance of the rangefinder

Main armament

105 mm kan Bofors cannon
Two-plane stabilizer
Reduces the swing of the gun in two planes while moving
Ammunition40 rounds
First-order11 rounds
Reloadbasic crew → aces
8.7 → 6.7 s
Vertical guidance-8° / 15°
Main article: kan Bofors (105 mm)
Ikv 91-105 firing the main 105 mm cannon.

The 105 mm cannon found on the Ikv 91-105 is a two-plane stabilized gun, capable of firing sub-calibre munitions, such as the Slpprj m/80, that perform favourably against most vehicles it faces. Although the penetration might seem like a downgrade compared to the HEATFS found on the prior Ikv 91, the shells fired have a much higher velocity, and devastating penetration values at high angles.

The cannon is paired with a laser rangefinder, which automatically adjusts the elevation at range. This makes the Ikv 91-105 very capable at distanced engagements, as the gun can fire with perfect accuracy as soon as the target has been measured. The user still has to account for target movement, as well as objects or terrain obstructing the target. But when used carefully, the gun only really requires a single shot per target.

105 mm kan Bofors Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 40 -8°/+15° ±180° Two-plane 23.8 32.9 40.0 44.2 47.1 8.71 7.70 7.10 6.70
Realistic 14.9 17.5 21.3 23.5 25.0

Ammunition

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
slpprj m/66 APDS 258 256 245 233 222 211
slsgr m/61A HE 23 23 23 23 23 23
slspgr m/61 HESH 127 127 127 127 127 127
slpprj m/80 APFSDS 337 335 330 322 314 306
Shell details
Ammunition Type of
warhead 		Velocity
(m/s) 		Projectile
mass (kg) 		Fuse delay
(m) 		Fuse sensitivity
(mm) 		Explosive mass
(TNT equivalent) (kg) 		Ricochet
0% 50% 100%
slpprj m/66 APDS 1,400 4.53 - - - 75° 78° 80°
slsgr m/61A HE 650 15.5 0 0.1 1.83 79° 80° 81°
slspgr m/61 HESH 720 11.4 0.1 4 3.15 73° 77° 80°
slpprj m/80 APFSDS 1,455 4.2 - - - 78° 80° 81°
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)
rökgr m/61 330 18.7 20 5 25 50

Ammo racks

Ammo racks of the Ikv 91-105
Full
ammo 		1st
rack empty 		2nd
rack empty 		3rd
rack empty 		Visual
discrepancy
40 28 (+12) 12 (+28) 1 (+39) No

Notes:

  • Shells are modeled individually and disappear after having been shot or loaded.
  • Rack 3 is a first stage ammo rack. It totals 11 shells and gets filled first when loading up the tank.
  • This rack is also emptied early: the rack depletion order at full capacity is: 3 - 1 - 2.
  • Simply not firing when the gun is loaded will move ammo from racks 1-2 into rack 3. Firing will interrupt the restocking of the ready racks.

Machine guns

7.62 mm ksp m/39B machine gun
Ammunition2 000 rounds
Belt capacity250 rounds
Reloadbasic crew → aces
10.4 → 8.0 s
Fire rate649 shots/min
7.62 mm ksp m/39B machine gun (coaxial)
Ammunition2 250 rounds
Belt capacity250 rounds
Reloadbasic crew → aces
10.4 → 8.0 s
Fire rate649 shots/min
Main article: ksp m/39B (8 mm)

The Ikv 91-105 features two 8 mm machine guns. These are quite common for most Swedish tankers, and are only effective against exposed crew, and slow flying helicopters. The 8 mm rounds are quite effective at dealing with light obstacles like small fences and foliage, but should always be used with caution, as the tracers can expose the location of the vehicle.

8 mm ksp m/39B
Mount Capacity (Belt) Fire rate Vertical Horizontal
Coaxial 2,250 (250) 649 N/A N/A
Pintle 2,000 (250) 649 -5°/+15° ±80°

Usage in battles

When playing the Ikv 91-105, it's important to play like a light tank. The Ikv 91-105, although nimble, can be quite slow when stock. Overall the tank struggles to maintain a high speed, and will often lag behind other vehicles of the same class. The great compensation for this is the firepower. Thanks to a deadly arsenal of shells, along with a stabilizer, the tank engages any vehicle it faces with ease. Paired with a stabilizer and laser rangefinder, the Ikv 91-105 can comfortably attack at any distance. This makes the Ikv 91-105 very flexible, as you can use it both as a long range reconnaissance sniper, and a close range glass cannon.

When a match starts, it's always optimal to look for a favourable location within reach. If mobility allows you to surprise your opponents, it can be a favourable choice, especially in close quarter maps. While other situations could call for distanced engagements, such as unexpected sight-lines and well hidden ambushes, as the tank is fairly easy to hide. On top of its small profile, the Ikv 91-105 features a good amount of smoke launchers, that quickly deploy and conceal the vehicle when necessary.

A typical engagement scenario:

  1. Rush to a position with a favourable line of sight
  2. Engage opponents without exposing yourself
  3. Scout targets for your team
  4. Deploy smoke grenades to help your team retreat

Pros and cons

Pros:

  • Hard-hitting 105 mm cannon
  • Small profile, shorter than most tanks
  • Great mobility and traverse
  • Ability to scout
  • Access to night vision devices

Cons:

  • Lightly armoured, insufficient even to resist .50 cal MG fire
  • Mediocre rate of fire
  • Inconsistent depression angles, uncomfortable to aim behind cover
  • Vulnerable to aircraft

History

AB Hägglunds & Söner, the company behind the ikv 91 light tank, had high hopes for a successful export market, outside the domestic use of the platform. The design had been ill-fated early since the chassis was too weak to handle high-pressure weaponry, necessary for sub-calibre munitions. By the 1980s however, the ability to mount a high pressure 105 mm cannon was taken to consideration, as Bofors had developed a low-recoil variant. This design idea quickly took shape in 1983 as India was looking for a new amphibious light tank. The requirements involved full firing capability when submerged, meaning the cannon had to be stabilized. The vehicle introduced a commanders fire control system, as well as Infra-red night vision devices provided by SAAB. The new gun was the Rheinmetall Rh 105-11 super-low recoil gun in a new turret. This increased the weight up to 2 tons, however the amphibious speed was also increased to 12 km/h thanks to a new engine.

India evaluated the design, along with other countries, but ultimately no series production was ever established. The Swedish Army considered a possible modernization of the ikv 91 by using this 105 mm gun with minor modifications, but it was never adopted. This was thanks to the end of the Cold War, and the fact that the design was considered too weak for modern times. Instead, its role would later be filled by the strv 122 and the strf 90 IFV.

Media

Skins
Videos
Swedish Simplicity - ikv 91 105 - JustinPlays
The Shooting Range #244 - Metal Beasts section at 00:25 discusses the Ikv 91-105.

See also

Similar Swedish tanks

Similar tanks in terms of performance and BR

External links


Hägglund & Söner
Light Tanks 
Ikv 91  Ikv 91 · Ikv 91-105
Tank Destroyers 
ATGM Carriers  UDES 33 · Pvrbv 551 · Pbv 302 (BILL)
SPAA 
Strv m/41  Pbv 301
SAM  Lvrbv 701
See Also  BAE Systems AB

Sweden light tanks
L-60  Strv m/38 · Strv m/39 · Strv m/39 TD · Strv m/40L
Strv m/41  Strv m/41 S-I · Strv m/41 S-II
Ikv 91  Ikv 91 · Ikv 91-105
CV 90  Strf 9040B · Strf 9040C · Strf 9040 BILL
  CV 90105 · CV 90120
Wheeled  Pbil m/40 · U-SH 405
Other  Strv m/31 · Strv 74 · Pbv 501
Finland  Vickers Mk.E · ▄T-26E · BT-42 · ▄PT-76 · CV 9030FIN · CT-CV 105HP
Denmark  CV 9035DK

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