Difference between revisions of "SK-105A2"

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{{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.''
+
<!-- "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." -->[[File:Armour heatmap of the SK-105.png|thumb|Heatmap of the SK105's armour]]
 +
The hull armour of the SK-105A2, even though it is angled at 62°, is relatively weak. In most cases, it will stop 20 mm cannons but cannons with more calibre will have no problems passing right trough the hull armour which in most cases leads to an instant death, due to the crew being very tightly packed together. Rapid firing autocannons such as the ones mounted on the [[Gepard]] or the [[ZSU-37-2]] will have no problems shredding the SK-105 in less than a second. It is highly recommend to not take more than 24 shells due to the fact that reserve shells pile up in the front most part of the tank, which might lead to even more frequent instant deaths. If the user can manage their rounds effectively, the safest ammo count would be 16. This way, only 4 extra rounds are placed into the turret and no rounds are in the front of the tank.
 +
 
 +
In terms of weaponry, the SK-105 carries the 105 mm PzK M57 which is very effective at dispatching almost every enemy tank with a well placed shot. It possesses a 4 second auto-loader with a magazine size of 12 rounds. After the 12 rounds were depleted, the user has to wait until the magazine houses at least one round. This can be quite problematic if one is too trigger happy. The MG3A1 is also a very effective MG against exposed crew members and environmental objects with its high fire rate and 1,000 rounds.
  
 
'''Armour type:''' <!-- The types of armour present on the vehicle and their general locations -->
 
'''Armour type:''' <!-- The types of armour present on the vehicle and their general locations -->
 
<!-- Example: * Rolled homogeneous armour (Front, Side, Rear, Hull roof)
 
<!-- Example: * Rolled homogeneous armour (Front, Side, Rear, Hull roof)
 
* Cast homogeneous armour (Turret, Transmission area) -->
 
* Cast homogeneous armour (Turret, Transmission area) -->
 +
* Cast homogeneous armour (Front of the turret, Gun mantlet)
 +
* Rolled homogeneous armour (Hull, Turret roof)
  
 
{| 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 || 20 mm (62°) ''Front Glacis''
 +
20 mm (49°) ''Bottom Glacis''
 +
| 14 mm ''Top'' ''hull side''<br>14 mm ''Bottom hull side'' || 12 (1°) mm || 5 - 10 mm
 
|-
 
|-
−
| Turret || ___ - ___ mm ''Turret front'' <br> ___ mm ''Gun mantlet'' || ___ - ___ mm || ___ - ___ mm || ___ - ___ mm
+
| Turret || 20 - 40 (16-69°) mm ''Turret front'' <br>40 mm (0-90°) ''Gun Mantlet'' || 20 - 40 mm || 10 - 20 mm || 10 mm
 
|-
 
|-
−
| Cupola || ___ mm || ___ mm || ___ mm || ___ mm
+
| Cupola || 10 mm (60°) || 10 mm || 10 mm || 10 mm
 
|-
 
|-
 
|}
 
|}
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'''Notes:''' <!-- Any additional notes which the user needs to be aware of -->
 
'''Notes:''' <!-- Any additional notes which the user needs to be aware of -->
 
<!-- Example: * Suspension wheels are 20 mm thick, tracks are 30 mm thick, and torsion bars are 60 mm thick. -->
 
<!-- Example: * Suspension wheels are 20 mm thick, tracks are 30 mm thick, and torsion bars are 60 mm thick. -->
 +
* Suspension wheels and torsion bars are 15 mm thick
 +
* Tracks are 20 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.'' -->
−
''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." -->
 +
The SK-105 has an exceptional speed of roughly 59 km/h forwards on roads, and around 9 km/h in reverse while also being relatively manoeuvrable, due to being very similar to the [[AMX-13]] light tank. It is powered by the Steyr 7FA/6-cylinder turbocharged diesel engine which provides 320 hp (238 kW) for a power-to-weight ratio of 18 hp/ton. While it can go as fast as 59 km/h, one should expect to move at about 40 km/h off-road, however the reserve speed still stays at -9 km/h and it takes roughly 12 seconds for the SK-105 to rotate 360° in neutral steering.
  
 
{{tankMobility}}
 
{{tankMobility}}
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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|MG3A1 (7.62 mm)}}
 
{{main|MG3A1 (7.62 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.''
+
<!-- "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 SK-105 has access to the [[MG3A1 (7.62 mm)]] machine gun. While it lacks any some sort effective penetration, its high rate of fire can dispatch exposed crew members easily. The one, and only, belt houses 1,000 rounds with average velocity. It is largely inadequate against armour and should be used exclusively to dispatch exposed crew members or to destroy environmental objects such as fences with ease.
  
 
{| class="wikitable" style="text-align:center" width="50%"
 
{| class="wikitable" style="text-align:center" width="50%"
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! Mount !! Capacity (Belt) !! Fire rate !! Vertical !! Horizontal
 
! Mount !! Capacity (Belt) !! Fire rate !! Vertical !! Horizontal
 
|-
 
|-
−
| || ___ (___) || ___ || __° || __°
+
| Pintle
 +
| 1,000 (1,000) || 1,200 || -6°/+13° || 180°
 
|-
 
|-
 
|}
 
|}
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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).''
+
The SK-105A2 excels at filling the spot as a sniper, due to its very powerful 105 mm cannon, low profile and high mobility. This is all balanced out however by the fact that the SK-105 possesses little to no armour, so any kind of hit from a cannon more powerful than 20 mm, will dispatch the SK-105 quite easily. The user should always check their surrounding as much they can, and as frequently as they can. Finding a vantage point with cover nearby is an effective strategy. Brawls and rushes should generally be avoided and tactics like flanking or sniping should be focused upon as the SK-105 will stand no chance in direct engagements or close quarters fights. However, if one does stumble into a brawl, the 4 second autoloader will prove to be a major benefit coupled with the amazing 105 mm cannon, although one should pay attention to their magazine as the user will not be able to shoot at all if the magazine runs dry completely. It is because of this reason that at least 2 spare rounds should be carried in the magazine in case of an ambush. One big thing to note is that the user also lacks a stabilizer which may prove to be quite of a problem due to the light size of the tank and fast speed, as these properties will make the gun harder to stabilize on its own if the user decides to brake spontaneously.  
  
 
=== 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:'''
−
''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:'''
+
* Very mobile and high max speed
 +
* Good starting HEAT-FS round, the OCC-105 F1
 +
* Small profile, easy to hide behind cover
 +
* Astonishing 12 round auto-loader; reloading takes 4 seconds
  
 
*
 
*
  
 
'''Cons:'''
 
'''Cons:'''
 +
 +
* Lacks a stabilizer
 +
* Little to no armour
 +
* Easy to destroy with a single shot due to the tight crew placement
 +
* If the magazine runs out of rounds, the user has to wait until it is refilled to engage
  
 
*
 
*
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== 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).''
+
At least three countries were interested in the 1950s by the new concept of oscillating turret, those being USA, France and Austria. Austria was heavily supplied by the US tanks, such as the [[M47]] and reinforced by some British [[Charioteer Mk VII|Charioteers]]. Due to this, the army started looking for a reliable tank-hunter to fill the role of dispatching tanks. Osterreichische Saurer-Werke from Vienna was contacted, which already produced the ADGZ, which was an Austrian-German made heavy armored car. The company had recently acquired a contract to equip their motorized units with the Sauer 4K 4FA, of which 445 were produced for the Army and many more were exported, so they adopted their already existing chassis with some modifications to suit the Austrian army.
 +
 
 +
It was very important to use a very reliable yet powerful gun, as it had to perform the role of a tank-hunter while still being relatively light. This prompted the engineers to contact nearby France, which already mass-produced their AMX-13 with an oscillating turret, and allowed them to design a light yet powerful turret. As a consequence, when the SK-105 was produced and put in service it was the only other European tank featuring this concept.
 +
 
 +
An estimated total of 600-700 vehicles were produced by Saurer-Werk, which also includes exported vehicles. The Kürassier entered service in the year 1971 for the Austrian army (which included around 286 of them) and remained so until the 1990s. The rest were exported, and most of them are still in service today. Argentina is the most prolific customer with 118 vehicles. These were called the "Patagón", keeping the same chassis, but with a modernized AMX-13 turret. The prototype was presented in November 2005 and 39 conversions followed until 2009 (for roughly 23.4 million US$).
  
 
== 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.'' --><gallery mode="packed-overlay">
−
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
+
File:SK-105A2 Garage Photo.png|SK-105A2 in the garage
 +
</gallery>
  
 
== See also ==
 
== See also ==
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* ''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:''
+
* [[AMX-13]] - Another tank which uses the oscillating turret system that the SK-105 uses
−
 
 
−
* ''reference to the series of the vehicles;''
 
−
* ''links to approximate analogues of other nations and research trees.''
 
  
 
== External links ==
 
== External links ==
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* ''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:''
+
* [https://tanks-encyclopedia.com/coldwar/Austria/SK-105_Kurassier.php <nowiki>[tanks-encyclopedia] SK-105 Kurassier</nowiki>]
−
 
 
−
* ''topic on the official game forum;''
 
−
* ''other literature.''
 
  
 
{{France tank destroyers}}
 
{{France tank destroyers}}

Revision as of 20:31, 11 March 2021

SK-105A2
fr_sk105_a2.png
GarageImage SK-105A2.jpg
SK-105A2
France flag.png France
VI Rank
Battle rating:
AB RB SB
8.7 8.7 8.7
Class:
Research:94 000 Specs-Card-Exp.png
Purchase:520 000 Specs-Card-Lion.png
Show in game

Description

The SK-105A2 is a rank VI French tank destroyer with a battle rating of 8.7 (AB/RB/SB). It was introduced in Update "Ixwa Strike".

General info

Survivability and armour

Smoke grenades
Creation of a smoke screen in front of the vehicle
Armourfront / side / back
Hull20 / 14 / 12
Turret40 / 20 / 20
Crew3 people
Visibility88 %
Heatmap of the SK105's armour

The hull armour of the SK-105A2, even though it is angled at 62°, is relatively weak. In most cases, it will stop 20 mm cannons but cannons with more calibre will have no problems passing right trough the hull armour which in most cases leads to an instant death, due to the crew being very tightly packed together. Rapid firing autocannons such as the ones mounted on the Gepard or the ZSU-37-2 will have no problems shredding the SK-105 in less than a second. It is highly recommend to not take more than 24 shells due to the fact that reserve shells pile up in the front most part of the tank, which might lead to even more frequent instant deaths. If the user can manage their rounds effectively, the safest ammo count would be 16. This way, only 4 extra rounds are placed into the turret and no rounds are in the front of the tank.

In terms of weaponry, the SK-105 carries the 105 mm PzK M57 which is very effective at dispatching almost every enemy tank with a well placed shot. It possesses a 4 second auto-loader with a magazine size of 12 rounds. After the 12 rounds were depleted, the user has to wait until the magazine houses at least one round. This can be quite problematic if one is too trigger happy. The MG3A1 is also a very effective MG against exposed crew members and environmental objects with its high fire rate and 1,000 rounds.

Armour type:

  • Cast homogeneous armour (Front of the turret, Gun mantlet)
  • Rolled homogeneous armour (Hull, Turret roof)
Armour Front (Slope angle) Sides Rear Roof
Hull 20 mm (62°) Front Glacis

20 mm (49°) Bottom Glacis

14 mm Top hull side
14 mm Bottom hull side 		12 (1°) mm 5 - 10 mm
Turret 20 - 40 (16-69°) mm Turret front
40 mm (0-90°) Gun Mantlet 		20 - 40 mm 10 - 20 mm 10 mm
Cupola 10 mm (60°) 10 mm 10 mm 10 mm

Notes:

  • Suspension wheels and torsion bars are 15 mm thick
  • Tracks are 20 mm thick

Mobility

Speedforward / back
AB76 / 10 km/h
RB and SB68 / 9 km/h
Number of gears12 forward
2 back
Weight18.0 t
Engine power
AB611 hp
RB and SB320 hp
Power-to-weight ratio
AB33.9 hp/t
RB and SB17.8 hp/t

The SK-105 has an exceptional speed of roughly 59 km/h forwards on roads, and around 9 km/h in reverse while also being relatively manoeuvrable, due to being very similar to the AMX-13 light tank. It is powered by the Steyr 7FA/6-cylinder turbocharged diesel engine which provides 320 hp (238 kW) for a power-to-weight ratio of 18 hp/ton. While it can go as fast as 59 km/h, one should expect to move at about 40 km/h off-road, however the reserve speed still stays at -9 km/h and it takes roughly 12 seconds for the SK-105 to rotate 360° in neutral steering.

Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade 76 10 18 _,___ 611 __.__ 33.94
Realistic 68 9 _,___ 320 __.__ 17.78

Modifications and economy

Repair costBasic → Reference
AB3 215 → 5 381 Sl icon.png
RB3 439 → 5 756 Sl icon.png
SB4 117 → 6 891 Sl icon.png
Total cost of modifications157 700 Rp icon.png
260 400 Sl icon.png
Talisman cost2 600 Ge icon.png
Crew training150 000 Sl icon.png
Experts520 000 Sl icon.png
Aces2 100 Ge icon.png
Research Aces950 000 Rp icon.png
Reward for battleAB / RB / SB
130 / 170 / 210 % Sl icon.png
220 / 220 / 220 % Rp icon.png
Modifications
Mobility Protection Firepower
Mods new tank traks.png
Tracks
Research:
8 400 Rp icon.png
Cost:
13 000 Sl icon.png
390 Ge icon.png
Mods new tank suspension.png
Suspension
Research:
6 300 Rp icon.png
Cost:
9 900 Sl icon.png
290 Ge icon.png
Mods new tank break.png
Brake System
Research:
6 300 Rp icon.png
Cost:
9 900 Sl icon.png
290 Ge icon.png
Mods new tank filter.png
Filters
Research:
8 400 Rp icon.png
Cost:
13 000 Sl icon.png
390 Ge icon.png
Mods new tank transmission.png
Transmission
Research:
9 100 Rp icon.png
Cost:
14 000 Sl icon.png
420 Ge icon.png
Mods new tank engine.png
Engine
Research:
9 100 Rp icon.png
Cost:
14 000 Sl icon.png
420 Ge icon.png
Mods tank tool kit.png
Improved Parts
Research:
2 500 Rp icon.png
Cost:
13 000 Sl icon.png
390 Ge icon.png
Mods extinguisher.png
Improved FPE
Research:
1 900 Rp icon.png
Cost:
9 900 Sl icon.png
290 Ge icon.png
Mods tank reinforcement fr.png
Crew Replenishment
Research:
8 400 Rp icon.png
Cost:
13 000 Sl icon.png
390 Ge icon.png
Mods smoke screen.png
Smoke grenade
Research:
9 100 Rp icon.png
Cost:
14 000 Sl icon.png
420 Ge icon.png
Mods new tank horizontal aiming.png
Horizontal Drive
Research:
8 400 Rp icon.png
Cost:
13 000 Sl icon.png
390 Ge icon.png
Mods tank ammo.png
105mm_fr_CN105_Smoke_ammo_pack
Research:
8 400 Rp icon.png
Cost:
13 000 Sl icon.png
390 Ge icon.png
Mods tank cannon.png
Adjustment of Fire
Research:
6 300 Rp icon.png
Cost:
9 900 Sl icon.png
290 Ge icon.png
Mods airstrike.png
Airstrike
Research:
6 300 Rp icon.png
Cost:
9 900 Sl icon.png
290 Ge icon.png
Mods tank laser rangefinder.png
Laser rangefinder
Research:
6 300 Rp icon.png
Cost:
9 900 Sl icon.png
290 Ge icon.png
Mods new tank vertical aiming.png
Elevation Mechanism
Research:
8 400 Rp icon.png
Cost:
13 000 Sl icon.png
390 Ge icon.png
Mods tank ammo.png
105mm_fr_CN105_APDSFS_ammo_pack
Research:
8 400 Rp icon.png
Cost:
13 000 Sl icon.png
390 Ge icon.png
Mods scout streak.png
Scout UAV
Research:
8 400 Rp icon.png
Cost:
13 000 Sl icon.png
390 Ge icon.png
Mods art support.png
Artillery Support
Research:
9 100 Rp icon.png
Cost:
14 000 Sl icon.png
420 Ge icon.png
Mods scouting.png
Improved optics
Research:
9 100 Rp icon.png
Cost:
14 000 Sl icon.png
420 Ge icon.png
Mods thermal sight.png
NVD
Research:
9 100 Rp icon.png
Cost:
14 000 Sl icon.png
420 Ge icon.png

Armaments

Laser rangefinder
Reduces the error and increases the maximum measurable distance of the rangefinder
Night vision device
Improves visibility by enhancing natural light or active illumination.
Thermal imager
Allows to see thermal radiation in the infrared range day and night

Main armament

105 mm PzK M57 cannon
Autoloader
Automatically feeds projectiles into the breech. The speed does not depend on the skills of the loader
Ammunition42 rounds
First-order12 rounds
Reload4.0 s
Vertical guidance-6° / 13°
Main article: PzK M57 (105 mm)

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: {{main|Name of the weapon}}. 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.

105 mm PzK M57 Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 38 -6°/+13° ±180° N/A __._ __._ __._ __._ __._ 4.00 4.00 4.00 4.00
Realistic __._ __._ __._ __._ __._

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
OCC 105 F1 HEAT 400 400 400 400 400 400
OE 105 F1 Mle.60 HE 25 25 25 25 25 25
OFL 105 G1 APFSDS 346 344 335 326 315 306
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%
OCC 105 F1 HEAT 1000 10.95 0.05 0.1 1020 62° 69° 73°
OE 105 F1 Mle.60 HE 700 12.1 N/A 0.1 2000 79° 80° 81°
OFL 105 G1 APFSDS 1475 3.8 N/A N/A N/A 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)
OFPH 105 F1 700 11.4 20 5 25 50

Ammo racks

Full
ammo 		1st
rack empty 		2nd
rack empty 		3rd
rack empty 		4th
rack empty 		5th
rack empty 		6th
rack empty 		Visual
discrepancy
38 __ (+__) __ (+__) __ (+__) __ (+__) __ (+__) __ (+__) __

Machine guns

7.62 mm MG3A1 machine gun (coaxial)
Ammunition2 000 rounds
Belt capacity200 rounds
Reload8.0 s
Fire rate1 200 shots/min
Main article: MG3A1 (7.62 mm)

The SK-105 has access to the MG3A1 (7.62 mm) machine gun. While it lacks any some sort effective penetration, its high rate of fire can dispatch exposed crew members easily. The one, and only, belt houses 1,000 rounds with average velocity. It is largely inadequate against armour and should be used exclusively to dispatch exposed crew members or to destroy environmental objects such as fences with ease.

7.62 mm MG3A1
Mount Capacity (Belt) Fire rate Vertical Horizontal
Pintle 1,000 (1,000) 1,200 -6°/+13° 180°

Usage in battles

The SK-105A2 excels at filling the spot as a sniper, due to its very powerful 105 mm cannon, low profile and high mobility. This is all balanced out however by the fact that the SK-105 possesses little to no armour, so any kind of hit from a cannon more powerful than 20 mm, will dispatch the SK-105 quite easily. The user should always check their surrounding as much they can, and as frequently as they can. Finding a vantage point with cover nearby is an effective strategy. Brawls and rushes should generally be avoided and tactics like flanking or sniping should be focused upon as the SK-105 will stand no chance in direct engagements or close quarters fights. However, if one does stumble into a brawl, the 4 second autoloader will prove to be a major benefit coupled with the amazing 105 mm cannon, although one should pay attention to their magazine as the user will not be able to shoot at all if the magazine runs dry completely. It is because of this reason that at least 2 spare rounds should be carried in the magazine in case of an ambush. One big thing to note is that the user also lacks a stabilizer which may prove to be quite of a problem due to the light size of the tank and fast speed, as these properties will make the gun harder to stabilize on its own if the user decides to brake spontaneously.

Pros and cons

Pros:

  • Very mobile and high max speed
  • Good starting HEAT-FS round, the OCC-105 F1
  • Small profile, easy to hide behind cover
  • Astonishing 12 round auto-loader; reloading takes 4 seconds

Cons:

  • Lacks a stabilizer
  • Little to no armour
  • Easy to destroy with a single shot due to the tight crew placement
  • If the magazine runs out of rounds, the user has to wait until it is refilled to engage

History

At least three countries were interested in the 1950s by the new concept of oscillating turret, those being USA, France and Austria. Austria was heavily supplied by the US tanks, such as the M47 and reinforced by some British Charioteers. Due to this, the army started looking for a reliable tank-hunter to fill the role of dispatching tanks. Osterreichische Saurer-Werke from Vienna was contacted, which already produced the ADGZ, which was an Austrian-German made heavy armored car. The company had recently acquired a contract to equip their motorized units with the Sauer 4K 4FA, of which 445 were produced for the Army and many more were exported, so they adopted their already existing chassis with some modifications to suit the Austrian army.

It was very important to use a very reliable yet powerful gun, as it had to perform the role of a tank-hunter while still being relatively light. This prompted the engineers to contact nearby France, which already mass-produced their AMX-13 with an oscillating turret, and allowed them to design a light yet powerful turret. As a consequence, when the SK-105 was produced and put in service it was the only other European tank featuring this concept.

An estimated total of 600-700 vehicles were produced by Saurer-Werk, which also includes exported vehicles. The Kürassier entered service in the year 1971 for the Austrian army (which included around 286 of them) and remained so until the 1990s. The rest were exported, and most of them are still in service today. Argentina is the most prolific customer with 118 vehicles. These were called the "Patagón", keeping the same chassis, but with a modernized AMX-13 turret. The prototype was presented in November 2005 and 39 conversions followed until 2009 (for roughly 23.4 million US$).

Media

  • SK-105A2 in the garage

See also

  • AMX-13 - Another tank which uses the oscillating turret system that the SK-105 uses

External links


France tank destroyers
Lorraine 40t derivatives  CA Lorraine · Lorraine 155 Mle.50
ATGM  MEPHISTO · AMX-10M
Other  AMR.35 ZT3 · Lorraine 37L · SAu 40 · ARL-44 · ELC bis · AMX-50 Foch · AuF1
USA  ▄M10 GMC · ▄M36B2

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