Difference between revisions of "AK-725 (57 mm)"

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[[File:AK-725.png|thumb|x250px|AK-725 (57 mm) on Pr.206-M]]
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[[File:AK-725.png|thumb|x250px|57 mm AK-725 on the Pr.206-M]]
  
 
== Description ==
 
== Description ==
 
<!-- ''Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.'' -->
 
<!-- ''Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.'' -->
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The 57 mm AK-725 is a Soviet naval cannon.
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The '''57 mm AK-725''' is a Soviet naval cannon.
  
 
=== Vehicles equipped with this weapon ===
 
=== Vehicles equipped with this weapon ===
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=== Available ammunition ===
 
=== Available ammunition ===
 
<!-- ''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|OR-281U, BR-281U}}
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! colspan="8" | Penetration statistics
 
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|-
 
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! rowspan="2" data-sort-type="text" | Ammunition
 
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! rowspan="2" | Type of<br>warhead
 
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! colspan="6" | Penetration @ 0° Angle of Attack (mm)
 
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|-
 
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! 100 m !! 1,000 m !! 2,000 m !! 3,000 m !! 4,000 m !! 5,000 m
 
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|-
 
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| BR-281U || APCBC || 147 || 119 || 100 || 87 || 77 || 70
 
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|-
 
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| OR-281U || HEF-I || 5 || 5 || 5 || 5 || 5 || 5
 
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|-
 
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|}
 
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{| class="wikitable sortable" style="text-align:center" width="100%"
 
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! colspan="10" | Shell details
 
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|-
 
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! rowspan="2" data-sort-type="text" | Ammunition
 
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! rowspan="2" | Type of<br>warhead
 
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! rowspan="2" | Velocity<br>(m/s)
 
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! rowspan="2" | Projectile<br>mass (kg)
 
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! rowspan="2" | Fuse delay<br>(m)
 
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! rowspan="2" | Fuse sensitivity<br>(mm)
 
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! rowspan="2" | Explosive mass<br>(TNT equivalent) (g)
 
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! colspan="3" | Ricochet
 
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|-
 
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! 0% !! 50% !! 100%
 
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|-
 
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| BR-281U || APCBC || 1,000 || 2.8 || 1.2 || 20.0 || 20.02 || 48° || 63° || 71°
 
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|-
 
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| OR-281U || HEF-I || 1,000 || 2.8 || 0.3 || 0.1 || 235.6  || 79° || 80° || 81°
 
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|-
 
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|}
 
  
 
=== Comparison with analogues ===
 
=== Comparison with analogues ===
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== History ==
 
== History ==
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The problems with the 57 mm ZIF-31 and ZIF-71 mountings prompted the Navy in 1956 to issue a request for a completely new weapon system in this caliber. The prototype was constructed in 1959 and by 1960 was going through proofing tests. One of the problems noted during these tests was that the barrels had short lives, so new and improved barrels were designed which increased barrel life to over 750 rounds. The mount was officially accepted into service in 1964 as the AK-725.
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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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The AK-725 had twin water cooled ZIF-74 barrels, which were modified to use belt ammunition, thus allowing for longer firing periods before reloading. Compared to the ZIF-71, this new weapon could fire bursts twice as long and had 80% less cooling time between bursts. Each belt contains 550 rounds and the first round needs to be manually chambered. The AK-725 was controlled by the ESP-72 fire control system, which was itself controlled by the MP-103 Bars radar. In an emergency, the turret can be used manually via a simple optical gunsight. This mount was in production from 1961 to 1988.
 
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This weapon was not considered to be effective against anti-ship missiles, as was evidenced by a training accident in 1987 when a missile drone accidentally targeted the Small Missile Ship Musson. Musson was firing its AK-725 mount right up until the moment of impact, but was unable to hit the missile. The ship was destroyed by the resulting fire, with 39 crewmen killed.
 
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The barrel was of monobloc construction with vertical blade type breech. Recoil operated with water-cooled barrels. Both barrels were mounted on a common cradle. The turret itself is unarmored but was hermetically sealed with 6 mm (0.24 in) thick aluminum sides.<ref>http://www.navweaps.com/Weapons/WNRussian_57mm-75_AK-725.php</ref>
 
  
 
== Media ==
 
== Media ==
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== See also ==
 
== See also ==
 
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
 
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
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* ''reference to the article about the variant of the cannon/machine gun;''
 
* ''reference to the article about the variant of the cannon/machine gun;''
 
* ''references to approximate analogues by other nations and research trees.''
 
* ''references to approximate analogues by other nations and research trees.''
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== External links ==
 
== External links ==
 
''Paste links to sources and external resources, such as:''
 
''Paste links to sources and external resources, such as:''
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* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
 
* ''other literature.''
 
* ''other literature.''

Latest revision as of 19:50, 20 April 2024

57 mm AK-725 on the Pr.206-M

Description

The 57 mm AK-725 is a Soviet naval cannon.

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)
100 m 1,000 m 2,000 m 3,000 m 4,000 m 5,000 m
OR-281U HEF-I* 5 5 5 5 5 5
BR-281U APCBC 147 114 87 66 50 38
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%
OR-281U HEF-I* 1,000 2.8 0 0.1 235.62 79° 80° 81°
BR-281U APCBC 1,000 2.8 1.2 20 20.02 48° 63° 71°

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

Pros:

  • High rate of fire
  • HE shells are good for taking out small and medium size boats

Cons:

  • Prone to overheating
  • Long cooldown time after overheating
  • Long reload time

History

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: https://wiki.warthunder.com/(Weapon-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />.

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

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • other literature.


USSR naval cannons
20 mm  ShVAK
25 mm  2M-3
30 mm  AK-230 · 30 mm/54 AK-630 · 30 mm/54 AK-630M · BP "Plamya"
37 mm  37 mm/67 70-K · V-11
45 mm  45 mm/46 21-K · 45 mm/68 21-KM · 45 mm/89 SM-20-ZIF · 45 mm/89 SM-21-ZIF
57 mm  AK-725
75 mm  75 mm/50 Canet patt.1892
76 mm  34-K · 39-K · 76 mm/60 AK-176M · AK-726 · D-56TS · F-34 · Lender AA gun, pattern 1914/15
85 mm  85 mm/52 92-K · 85 mm/54.6 ZIS-C-53 · 90-K
100 mm  100 mm/56 B-34 · 100 mm/70 SM-5-1 · Minizini
102 mm  Pattern 1911
120 mm  120 mm/50 pattern 1905
130 mm  130 mm/55 pattern 1913 · 130 mm/58 SM-2-1 · B-13
152 mm  152 mm/57 B-38
180 mm  180 mm/57 B-1-P · 180 mm/60 B-1-K
305 mm  12-inch/52 pattern 1907 · 305 mm/54 B-50
356 mm  14-inch/52 pattern 1913 (356 mm)
  Foreign:
40 mm  2pdr QF Mk.IIc (Britain) · Skoda (Czechoslovakia)
47 mm  3 pdr QF Hotchkiss (Britain)
76 mm  76 mm/40 Ansaldo mod.1917 (Italy)
88 mm  SK C/30 (Germany)
120 mm  120 mm/50 Mk.4 Bofors M1924 (Sweden) · 120 mm/50 O.T.O. Mod.1933 (Italy)
152 mm  152/53 mm O.T.O. Mod.1929 (Italy)
320 mm  320 mm/44 Ansaldo model 1934 (Italy)

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