Difference between revisions of "ISU-122"
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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.''--> |
| − | + | [[File:GarageImage_{{PAGENAME}}.jpg|420px|thumb|left]] | |
| − | {{break}} | + | {{break}} |
The '''{{Specs|name}}''' is a Rank {{Specs|rank}} Russian tank destroyer {{Battle-rating}}. It was introduced during the Closed Beta Test for Ground Forces before [[Update 1.41]]. | The '''{{Specs|name}}''' is a Rank {{Specs|rank}} Russian tank destroyer {{Battle-rating}}. It was introduced during the Closed Beta Test for Ground Forces before [[Update 1.41]]. | ||
== 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:''' | ||
| + | * Rolled homogeneous armour | ||
| + | * Cast homogeneous armour (Gun mantlet) | ||
| + | {| class="wikitable" | ||
| + | |- | ||
| + | ! Armour !! Front !! Sides !! Rear !! Roof | ||
| + | |- | ||
| + | | Hull || 60 mm (75°) ''Front glacis'' <br> 90 mm (31°) ''Lower glacis'' || 90 mm || 60 mm (50°) ''Top'' <br> 60 mm (39°) ''Bottom'' || 30 mm | ||
| + | |- | ||
| + | | Superstructure || 90 mm (30°) ''Front glacis'' <br> 65 mm (7-69°) ''Gun mantlet case'' <br> 100 mm ''Gun mantlet'' (0-45°) || 75 mm (14-15°) || 60 mm || 30 mm | ||
| + | |- | ||
| + | |} | ||
| + | '''Notes:''' | ||
| + | * Suspension wheels are 20 mm thick while tracks are 30 mm thick. | ||
=== Mobility === | === Mobility === | ||
| − | ''Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed | + | ''Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed forwards and backwards.'' |
== Armaments == | == Armaments == | ||
| Line 22: | Line 36: | ||
=== Additional armament === | === Additional armament === | ||
| − | ''Some tanks are armed with several guns in one or more turrets. Evaluate the additional weaponry and give advice on its use. Describe the ammunition available for additional weaponry. Give advice on how to use them and how to fill the ammunition storage. If there is no additional weaponry remove this subsection.'' | + | ''Some tanks are armed with several guns in one or more turrets. Evaluate the additional weaponry and give advice on its use. Describe the ammunition available for additional weaponry. Give advice on about how to use them and how to fill the ammunition storage. If there is no additional weaponry remove this subsection.'' |
=== Machine guns === | === Machine guns === | ||
| − | ''Offensive and anti-aircraft machine guns not only allow you to fight some aircraft | + | ''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.'' |
== Usage in battles == | == Usage in battles == | ||
| Line 31: | Line 45: | ||
=== Pros and cons === | === Pros and cons === | ||
| − | ''Summarize 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 - | + | <!--''Summarize 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:''' | ||
| − | * | + | * Powerful cannon. |
| − | + | * Great post penetration damage. | |
| + | * No armour weakspots. | ||
| + | * Good acceleration in reverse allows you to hide quickly. | ||
'''Cons:''' | '''Cons:''' | ||
| − | * | + | * Slow reload. |
| + | * Armour cannot bounce shots. | ||
| + | * Armour cannot stop most common cannons. | ||
| + | * Very low gun depression. | ||
== History == | == History == | ||
| − | ''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 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></nowiki></code>, as well as adding them at the end of the article. This section may also include the vehicle's | + | <!--''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 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></nowiki></code>, as well as adding them at the end of the article. This section may also include the vehicle's dev blog entry (if applicable) and the in-game encyclopedia description (under <code><nowiki>=== Encyclopedia Info ===</nowiki></code>, also if applicable).''--> |
| + | ===Development=== | ||
| + | When the [[ISU-152]] began production in 1943 with the large 152 mm ML-20S gun, production of the chassis and hull soon exceeded the supply of the ML-20S gun, which caused a decrease in production of self-propelled guns for the Soviet military. It was determined to speed up self-propelled gun production, the ISU chassis were to be mounted with the 122 mm A-19S gun. Work on this mounting already began before the supply issue in December 1943 at the Chelyabinsk Kirov Plant (ChKZ), which had a design team simply take the ISU-152 chassis and hull and only changing out the armament with the 122 mm gun, but this prototype - ''Object 242'' - was not immediately put into production despite successful testings. When the supply issue arose, the prototype was then adopted by the Soviet Defense Committee for increased production and also that the 122 mm gun had better accuracy against tanks than the 152 mm gun. The ISU armed with the 122 mm gun, designated the '''ISU-122''', began production in April 1944. | ||
| + | |||
| + | ===Upgrade=== | ||
| + | The original '''[[ISU-122]]''' is equipped with the 122 mm A-19S gun, which had a firing rate of 1.5 to 2.5 shots per minute due to its manual-piston breech. An attempt to fix this was a modernized A-19 gun called the D-25. The D-25 didn't see installment onto the ISU-122 for a while due to prioritization on the IS-2 tanks, but it was available for use on self-propelled mounts after September 1944 as the D-25S. The ISU-122 prototype mounting the D-25 gun was called ''Object 249'' which was successfully tested and an improvement over the A-19 gun with an increased firing rate of 2 to 3 shots per minute with one loader and up to 4 shots per minute with an additional loader in the crew. The D-25 also exploited the use of a muzzle brake in order to reduce the recoil forces on the gun, so the recoil buffer on the D-25 was much smaller than the A-19, which helped reduce the size of the gun and improved crew work space in the self-propelled gun. ''Object 249'' was then adopted as the '''[[ISU-122S]]''', which entered production side by side with the ISU-122 u and both were produced up until the end of 1945. ChKZ produced both vehicles during the war and manufactured 1,735 ISU-122s (April 1944 - December 1945) and 675 ISU-122Ss (September 1944 - December 1945). | ||
| + | |||
| + | ===Combat usage=== | ||
| + | The ISU-122 were organized in units in a similar fashion as the [[ISU-152]]. Focus were made to not mix the two vehicles in the same regiments or brigades due to logistical reasons with ammunition and ballistic differences in indirect fire, but some units were equipped with both vehicles anyways. Like the ISU-152, the ISU-122 proved to be a very powerful multi-purpose vehicle as an assault gun, self-propelled artillery, and tank destroyer. The 122 mm gun on the ISU-122 allowed it to engage armour and fortifications with heavy armour-piercing round and a large high-explosive round. The primary role of the ISU-122 was as a tank destroyer due to the gun's superior ballistics compared to the ISU-152's, which large caliber size more suited its role as an assault gun. The ISU-122 did participate as an assault gun role in urban combat to support the infantry, but the lack of rotating turret, and long barrel length restricted its maneuvering and ability to engage all enemies in a large angle. Nevertheless, commanders found the ISU-122 as a very good assault gun. Usage of the ISU-122 in an indirect firing role as a howitzer is rare, but when used could fire up to 14 kilometers away. Usage as an artillery piece is more likely during a rapid offensive where towed artillery behind the lines are unable to keep up with the advancing infantry lines. | ||
== Media == | == Media == | ||
| + | <!--''Excellent additions to the article would be video guides, screenshots from the game, and photos.''--> | ||
Skin and Camouflages for the [https://live.warthunder.com/feed/camouflages/?vehicleCountry=ussr&vehicleType=tank&vehicleClass=tank_destroyer&vehicle=ussr_isu_122 ISU-122] in Warthunder Live. | Skin and Camouflages for the [https://live.warthunder.com/feed/camouflages/?vehicleCountry=ussr&vehicleType=tank&vehicleClass=tank_destroyer&vehicle=ussr_isu_122 ISU-122] in Warthunder Live. | ||
| Line 55: | Line 83: | ||
* ''encyclopedia page on the tank;'' | * ''encyclopedia page on the tank;'' | ||
* ''other literature.''--> | * ''other literature.''--> | ||
| − | * [ | + | * [[Wikipedia:ISU-122|[Wikipedia<nowiki>]</nowiki> ISU-122]] |
{{USSR tank destroyers}} | {{USSR tank destroyers}} | ||
Revision as of 16:04, 5 April 2019
Contents
|
This page is about the tank destroyer ISU-122. For the version equipped with a D-25S cannon, see ISU-122S |
Description
The ISU-122 is a Rank III Russian tank destroyer
with a battle rating of 5.3 (AB/RB/SB). It was introduced during the Closed Beta Test for Ground Forces before Update 1.41.
General info
Survivability and armour
Pros:
- Powerful cannon.
- Great post penetration damage.
- No armour weakspots.
- Good acceleration in reverse allows you to hide quickly.
Cons:
- Slow reload.
- Armour cannot bounce shots.
- Armour cannot stop most common cannons.
- Very low gun depression.
History
Development
When the ISU-152 began production in 1943 with the large 152 mm ML-20S gun, production of the chassis and hull soon exceeded the supply of the ML-20S gun, which caused a decrease in production of self-propelled guns for the Soviet military. It was determined to speed up self-propelled gun production, the ISU chassis were to be mounted with the 122 mm A-19S gun. Work on this mounting already began before the supply issue in December 1943 at the Chelyabinsk Kirov Plant (ChKZ), which had a design team simply take the ISU-152 chassis and hull and only changing out the armament with the 122 mm gun, but this prototype - Object 242 - was not immediately put into production despite successful testings. When the supply issue arose, the prototype was then adopted by the Soviet Defense Committee for increased production and also that the 122 mm gun had better accuracy against tanks than the 152 mm gun. The ISU armed with the 122 mm gun, designated the ISU-122, began production in April 1944.
Upgrade
The original ISU-122 is equipped with the 122 mm A-19S gun, which had a firing rate of 1.5 to 2.5 shots per minute due to its manual-piston breech. An attempt to fix this was a modernized A-19 gun called the D-25. The D-25 didn't see installment onto the ISU-122 for a while due to prioritization on the IS-2 tanks, but it was available for use on self-propelled mounts after September 1944 as the D-25S. The ISU-122 prototype mounting the D-25 gun was called Object 249 which was successfully tested and an improvement over the A-19 gun with an increased firing rate of 2 to 3 shots per minute with one loader and up to 4 shots per minute with an additional loader in the crew. The D-25 also exploited the use of a muzzle brake in order to reduce the recoil forces on the gun, so the recoil buffer on the D-25 was much smaller than the A-19, which helped reduce the size of the gun and improved crew work space in the self-propelled gun. Object 249 was then adopted as the ISU-122S, which entered production side by side with the ISU-122 u and both were produced up until the end of 1945. ChKZ produced both vehicles during the war and manufactured 1,735 ISU-122s (April 1944 - December 1945) and 675 ISU-122Ss (September 1944 - December 1945).
Combat usage
The ISU-122 were organized in units in a similar fashion as the ISU-152. Focus were made to not mix the two vehicles in the same regiments or brigades due to logistical reasons with ammunition and ballistic differences in indirect fire, but some units were equipped with both vehicles anyways. Like the ISU-152, the ISU-122 proved to be a very powerful multi-purpose vehicle as an assault gun, self-propelled artillery, and tank destroyer. The 122 mm gun on the ISU-122 allowed it to engage armour and fortifications with heavy armour-piercing round and a large high-explosive round. The primary role of the ISU-122 was as a tank destroyer due to the gun's superior ballistics compared to the ISU-152's, which large caliber size more suited its role as an assault gun. The ISU-122 did participate as an assault gun role in urban combat to support the infantry, but the lack of rotating turret, and long barrel length restricted its maneuvering and ability to engage all enemies in a large angle. Nevertheless, commanders found the ISU-122 as a very good assault gun. Usage of the ISU-122 in an indirect firing role as a howitzer is rare, but when used could fire up to 14 kilometers away. Usage as an artillery piece is more likely during a rapid offensive where towed artillery behind the lines are unable to keep up with the advancing infantry lines.
Media
Skin and Camouflages for the ISU-122 in Warthunder Live.
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
| USSR tank destroyers | |
|---|---|
| SU-76M | SU-76M · SU-76M (5th Gv.Kav.Corps) · SU-85A |
| SU-57B | SU-57B · SU-76D |
| T-34 Derivatives | SU-122 · SU-85 · SU-85M · SU-100 · SU-122P |
| Heavy Tank Derivatives | SU-100Y · ISU-122 · ISU-122S · SU-152 · ISU-152 · Object 268 |
| SU-100P and Derivatives | SU-100P · Object 120 |
| Wheeled | YaG-10 (29-K) |
| Airborne | ASU-57 · ASU-85 |
| Rocket | BM-8-24 · BM-13N · BM-31-12 |
| ATGM | IT-1 · Shturm-S · Object 775 · Khrizantema-S |
| Artillery | 2S1 · 2S3M |
| Other | SU-5-1 · ZiS-30 · SU-122-54 |
| USA | SU-57 |
