Difference between revisions of "2A26 (125 mm)"

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[[File:Weapon 2A26 (125 mm).png|thumb|right|x250px|The 125 mm 2A26 on the T-64A (1971) gun mantlet.]]
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== Description ==
 
== Description ==
 
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<!-- ''Describe the shells that are available for the weapon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).'' -->
 
<!-- ''Describe the shells that are available for the weapon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).'' -->
  
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{| class="wikitable sortable" style="text-align:center" width="100%"
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{{:{{PAGENAME}}/Ammunition|3BK12M, 3OF19, 3OF26, 3BM9, 3BM15, 3BM22}}
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! 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
 
−
|-
 
−
| 3BK12M || HEATFS || 440 || 440 || 440 || 440 || 440 || 440
 
−
|-
 
−
| 3OF19 || HE || 35 || 35 || 35 || 35 || 35 || 35
 
−
|-
 
−
| 3OF26 || HE || 42 || 42 || 42 || 42 || 42 || 42
 
−
|-
 
−
| 3BM9 || APFSDS || 321 || 317 || 303 || 285 || 268 || 249
 
−
|-
 
−
| 3BM15 || APFSDS || 440 || 430 || 420 || 410 || 405 || 400
 
−
|-
 
−
| 3BM22 || APFSDS || 425 || 420 || 415 || 405 || 393 || 380
 
−
|-
 
−
|}
 
−
{| 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%
 
−
|-
 
−
| 3BK12M || HEATFS || 905 || 19 || 0.05 || 0.1 || 2,530 || 65° || 72° || 77°
 
−
|-
 
−
| 3OF19 || HE || 850 || 23.2 || 0 || 0.1 || 3,150 || 79° || 80° || 81°
 
−
|-
 
−
| 3OF26 || HE || 850 || 23 || 0 || 0.1 || 5,240 || 79° || 80° || 81°
 
−
|-
 
−
| 3BM9 || APFSDS || 1,800 || 3.6 || N/A || N/A || N/A || 72° || 76° || 78°
 
−
|-
 
−
| 3BM15 || APFSDS || 1,780 || 3.88 || N/A || N/A || N/A || 76° || 77° || 80°
 
−
|-
 
−
| 3BM22 || APFSDS || 1,760 || 4.83 || N/A || N/A || N/A || 76° || 77° || 80°
 
−
|-
 
−
|}
 
  
 
=== Comparison with analogues ===
 
=== Comparison with analogues ===
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== History ==
 
== History ==
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''Examine the history of the creation and combat usage of the weapon 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 weapon and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Weapon-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>.''
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<!--''Examine the history of the creation and combat usage of the weapon 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 weapon and adding a block "/History" (example: <nowiki>https://wiki.warthunder.com/(Weapon-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>.''-->
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In the 1960s, as the [[U-5TS (115 mm)|115 mm U-5TS]] was beginning to see service in the [[T-62]] tank to counter the newest NATO tanks such as the American [[M60]] and British [[Chieftain Mk 3|Chieftain]] tanks, Alexandr Morozov's design bureau at the Kharkov Malyshev tank plant was ordered to integrate the 115 mm cannon into their new tank program, known at the time as Object 430. The integration of the 115 cannon, modified to utilize two-piece ammunition to fit within the Object 430 design, was designated the ''115 mm D-68'' gun, or GAU designation ''2A21'' (the tank itself was designated Object 432 with this 115 mm cannon).<ref name="Zaloga_T-64(1)">Zaloga 2015, Refining the Design: Obiekt 432</ref> Despite this upgrade, Morozov's team decided the 115 mm was not lethal enough to engage the NATO tanks outside of their threat envelope, with also the fear that the 115 mm D-68 was not sufficient against the Chieftain particularly.<ref name="Fofanov">Fofanov n.d.</ref> Morozov looked into options for a stronger armament for their tank, which would be adopted as the T-64 with the 115 mm D-68 as an interim on 30 December 1966.<ref name="Zaloga_T-64(2)">Zaloga 2015, T-64 Initial Production</ref>
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Three guns would be developed as possible options for the T-64, two smoothbore 125 mm guns named D-81 and D-85, and a rifled 122 mm D-83 gun. The D-83 was quickly abandoned, and the D-85 was deemed too complicated and expensive.<ref name="Zaloga_T-64(3)">Zaloga 2015, The T-64A Tank (Obiekt 434)</ref> This left the smoothbore 125 mm D-81 gun as the sole contender. The 125 mm D-81 began development as far back as 1961 as a more lethal gun over the T-62's 115 mm gun, aiming to have a muzzle velocity of up to 1,800 m/s. OKB-9 began drafting and designing the gun that would become the 125 mm D-81, GAU designation '''2A26'''. The gun itself was derived from the 115 mm U-5TS, which OKB-9 also developed, with similarities in breech construction and recoil mechanism.<ref name="Tankograd_T72">Iron Drapes 2015</ref>
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The 126 mm 2A26 guns were tested in Object 434 prototype tanks in 1966. The Object 434 would be approved for Soviet service in May 1968 as the [[T-64A_(1971)|T-64A]], first delivered in January 1969.<ref name="Zaloga_T-64(3)"/> Following troop trials, the 2A26 was improved based on complaints such as low barrel life with the ''2A26M'' in 1969. A further improvement in the ''2A26M2'' adapted the gun to fire with the [[T-72A|T-72]]'s autoloader.<ref name="Tankograd_T72"/>
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The 2A26 gun was further modernized in 1970 into the [[2A46M (125 mm)|125 mm 2A46]] model, which implemented newer production methods to the barrel for increased barrel life and implemented a hydraulic recoil buffer fluid expansion compensator mechanism.<ref name="Tankograd_T72"/>
  
 
== Media ==
 
== Media ==
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== External links ==
 
== External links ==
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* ''topic on the official game forum;''
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* ''other literature.''
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* ''other literature.''-->
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===References===
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;Citations:
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<references />
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;Bibliography:
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* Iron Drapes. 2015. "T-72: Part 1" Tankograd. Last modified May 01, 2015. [https://thesovietarmourblog.blogspot.com/2015/05/t-72-soviet-progeny.html Website] ([https://web.archive.org/web/20220810010305/https://thesovietarmourblog.blogspot.com/2015/05/t-72-soviet-progeny.html Archive])
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* Fofanov, Vasiliy. n.d. "120MM AND 125MM MAIN GUNS". Accessed August 9, 2022. [http://fofanov.armor.kiev.ua/Tanks/ARM/2a46.html Website] ([https://web.archive.org/web/20220409071528/http://fofanov.armor.kiev.ua/Tanks/ARM/2a46.html Archive])
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* Zaloga, Steven J. 2015. ''T-64 Battle Tank: The Cold War's Most Secret Tank''. Great Britain: Osprey Publishing. Kindle.
  
 
{{USSR tank cannons}}
 
{{USSR tank cannons}}
  
 
[[Category:Tank cannons]]
 
[[Category:Tank cannons]]

Latest revision as of 10:51, 21 April 2023

The 125 mm 2A26 on the T-64A (1971) gun mantlet.

Description

The 125 mm 2A26 is a Soviet tank cannon used exclusively on the T-64A in-game, the 2A26 gives a sign on what is to come with the 125 mm ammunition with the Soviet tech tree.

Vehicles equipped with this weapon

General info

Tell us about the tactical and technical characteristics of the cannon or machine gun.

Available 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
3BK12M HEATFS 440 440 440 440 440 440
3OF19 HE 35 35 35 35 35 35
3OF26 HE 42 42 42 42 42 42
3BM9 APFSDS 321 317 303 285 268 249
3BM15 APFSDS 440 430 420 410 405 400
3BM22 APFSDS 425 420 415 405 393 380
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%
3BK12M HEATFS 905 19 0.05 0.1 2.06 65° 72° 77°
3OF19 HE 850 23.2 0.3 0.1 3.15 79° 80° 81°
3OF26 HE 850 23 0.3 0.1 5.24 79° 80° 81°
3BM9 APFSDS 1,800 3.6 - - - 72° 76° 78°
3BM15 APFSDS 1,780 3.88 - - - 76° 77° 80°
3BM22 APFSDS 1,760 4.83 - - - 76° 77° 80°

Comparison with analogues

Give a comparative description of cannons/machine guns that have firepower equal to this weapon.

Usage in battles

Describe the cannon/machine gun in the game - its distinctive features, tactics of usage against notable opponents. Please don't write a "guide" - do not impose a single point of view, but give the reader food for thought.

Pros and cons

Summarise and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.

Pros:

Cons:

History

In the 1960s, as the 115 mm U-5TS was beginning to see service in the T-62 tank to counter the newest NATO tanks such as the American M60 and British Chieftain tanks, Alexandr Morozov's design bureau at the Kharkov Malyshev tank plant was ordered to integrate the 115 mm cannon into their new tank program, known at the time as Object 430. The integration of the 115 cannon, modified to utilize two-piece ammunition to fit within the Object 430 design, was designated the 115 mm D-68 gun, or GAU designation 2A21 (the tank itself was designated Object 432 with this 115 mm cannon).[1] Despite this upgrade, Morozov's team decided the 115 mm was not lethal enough to engage the NATO tanks outside of their threat envelope, with also the fear that the 115 mm D-68 was not sufficient against the Chieftain particularly.[2] Morozov looked into options for a stronger armament for their tank, which would be adopted as the T-64 with the 115 mm D-68 as an interim on 30 December 1966.[3]

Three guns would be developed as possible options for the T-64, two smoothbore 125 mm guns named D-81 and D-85, and a rifled 122 mm D-83 gun. The D-83 was quickly abandoned, and the D-85 was deemed too complicated and expensive.[4] This left the smoothbore 125 mm D-81 gun as the sole contender. The 125 mm D-81 began development as far back as 1961 as a more lethal gun over the T-62's 115 mm gun, aiming to have a muzzle velocity of up to 1,800 m/s. OKB-9 began drafting and designing the gun that would become the 125 mm D-81, GAU designation 2A26. The gun itself was derived from the 115 mm U-5TS, which OKB-9 also developed, with similarities in breech construction and recoil mechanism.[5]

The 126 mm 2A26 guns were tested in Object 434 prototype tanks in 1966. The Object 434 would be approved for Soviet service in May 1968 as the T-64A, first delivered in January 1969.[4] Following troop trials, the 2A26 was improved based on complaints such as low barrel life with the 2A26M in 1969. A further improvement in the 2A26M2 adapted the gun to fire with the T-72's autoloader.[5]

The 2A26 gun was further modernized in 1970 into the 125 mm 2A46 model, which implemented newer production methods to the barrel for increased barrel life and implemented a hydraulic recoil buffer fluid expansion compensator mechanism.[5]

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

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 article about the variant of the cannon/machine gun;
  • references to approximate analogues by other nations and research trees.

External links

References

Citations
  1. ↑ Zaloga 2015, Refining the Design: Obiekt 432
  2. ↑ Fofanov n.d.
  3. ↑ Zaloga 2015, T-64 Initial Production
  4. ↑ 4.0 4.1 Zaloga 2015, The T-64A Tank (Obiekt 434)
  5. ↑ 5.0 5.1 5.2 Iron Drapes 2015
Bibliography
  • Iron Drapes. 2015. "T-72: Part 1" Tankograd. Last modified May 01, 2015. Website (Archive)
  • Fofanov, Vasiliy. n.d. "120MM AND 125MM MAIN GUNS". Accessed August 9, 2022. Website (Archive)
  • Zaloga, Steven J. 2015. T-64 Battle Tank: The Cold War's Most Secret Tank. Great Britain: Osprey Publishing. Kindle.


USSR tank cannons
20 mm  TNSh
30 mm  2A42 · 2A72 · AG-30
45 mm  20-K
57 mm  AU-220 · Ch-51M · ZIS-2 · ZIS-4 · ZIS-4M
73 mm  2A28
76 mm  1902/30 · 3-K · D-56TS · F-32 · F-34 · F-96 · KT-28 · L-10 · L-11 · ZIS-3 · ZIS-5
85 mm  D-5S · D-5T · D-58 · D-70 · F-30 · ZIS-S-53
100 mm  2A48 · 2A70 · D-10S · D-10T · D-10T2S · D-50 · LB-1 · S-34
107 mm  ZIS-6
115 mm  U-5TS
122 mm  A-19 · D-25-44T · D-25S · D-25T · D-25TS · D-30T · D-49 · M-30 · M-62-T2S
125 mm  2A26 · 2A46 · 2A46M · 2A46M-1 · 2A46M-4 · 2A46M-5 · 2A46MS · 2A75 · D-126
130 mm  B-13 · C-70 · M-65
152 mm  2A33 · LP-83 · M-10T · M-64 · M-69 · ML-20S
  Foreign:
37 mm  M5 (USA)
50 mm  KwK L/42 (Germany)
57 mm  6pdr OQF Mk.III (Britain) · M1 (USA)
75 mm  KwK42 (Germany) · M2 (USA)
76 mm  M1 (USA)
85 mm  Type-62-85-TC (China)

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