Difference between pages "Mk.13 (569 mm)" and "M24A1 (20 mm)"

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== Description ==
 
== Description ==
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<!--[[File:AN-M30A1_Sideview.jpg|520px|thumb|left|Side view of an '''{{PAGENAME}}''' bomb.]]''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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''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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[[File:Torpedo_Mk.13_Sideview.png|700px|thumb|left|Side view of an '''{{PAGENAME}}''' torpedo.]]
 
  
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{| class="wikitable" {| class="wikitable" style="margin-left: auto; margin-right: 0px;"
 
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!colspan = "4"|Data for {{PAGENAME}} torpedo
 
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|-
 
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!colspan = "1"|
 
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!colspan = "1"| Metric
 
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!colspan = "1"| Imperial
 
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|-
 
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| Overall Length
 
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| 4 m
 
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| 161 in
 
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|-
 
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| Body Diameter
 
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| 570 mm
 
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| 22.5 in
 
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|-
 
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| Filling Weight
 
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| 272 kg
 
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| 600 lb
 
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|-
 
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| Total Weight
 
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| 1,005 kg
 
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| 2,216 lb
 
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|-
 
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! colspan = "3"|
 
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|-
 
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| Explosive Filling
 
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| colspan="2;" style="text-align:center;" | Torpex
 
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|-
 
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| Bomb Type
 
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| colspan="2;" style="text-align:center;" | High Explosive
 
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|-
 
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|}
 
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The '''{{PAGENAME}}''' torpedo was a guinea pig of a torpedo having been the subject of testing and modification since 1925. Used early in World War II, this torpedo failed to operate properly approximately 70% of the time with problems of running cold (dud – not exploding), sinking, not running true (deviating path), improper depth, running on the surface or porposing (continuous jumping out of the water) due to improper water contact. Aircraft were required to fly extremely slow and low when dropping the torpedo as to not damage it on impact with the water and to provide the most stable drop possible, unfortunately, this put the torpedo bomber in a bad position of being an easy target for anti-aircraft guns mounted on enemy ships.
 
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Extensive testing in 1942 determined that the low and slow approach to the Mk.13 launch was actually counterproductive as it caused the torpedo to “belly-flop” on the water resulting in damage sustained to its internal components. New modifications were tested which replaced fragile parts and components which were susceptible to damage upon impact with the water. A new study also implemented the addition of frangible “drag rings” and box-shaped tail stabilizers. These devices served to stabilize the torpedo during higher drops, lower the nose for the initial impact and reduce the depth at which the torpedo dove after impact. The wood drag rings and stabilizers were obliterated on impact with the water which absorbed some of the impact, protecting the torpedo. By 1944 the Mk.13 was essentially a brand new torpedo and was accepted as the best aircraft torpedo in the U.S. inventory at that time and was credited with the sinking of the Japanese battleship Yamato.
 
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Later after World War II, there came a need for river patrol boats to be outfitted with torpedo launchers. The Mk.13 was the ideal torpedo to fulfil this need due to its short stature (compared to other torpedoes) and excelled in a shallow launch and run which afforded it to operate in shallow waters without hitting the bottom. Opportunities for sea use on smaller vessels were available in shallow areas where larger ships and torpedoes could not operate.
 
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{{Break}}
 
 
=== Vehicles equipped with this weapon ===
 
=== Vehicles equipped with this weapon ===
 
<!-- ''List out vehicles that are equipped with the weapon.'' -->
 
<!-- ''List out vehicles that are equipped with the weapon.'' -->
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{{Navigation-Start|Vehicles equipped with this weapon}}
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* {{Specs-Link|f-86k_late}}
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* {{Specs-Link|f-86k_late_italy}}
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{{Navigation-First-Line|'''Bombers'''}}{{Specs-Link|avenger_mk1}}{{-}}{{Specs-Link|pby-5}}{{-}}{{Specs-Link|pby-5a}}{{-}}{{Specs-Link|pby-5a_raf}}{{-}}{{Specs-Link|pby-5a_ussr}}{{-}}
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* {{Specs-Link|f-89b}}
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{{Navigation-Line| }}{{Specs-Link|sb2c_1c}}{{-}}{{Specs-Link|sb2c_4}}{{-}}{{Specs-Link|sb2c_5_france}}{{-}}{{Specs-Link|tbd-1_1938}}{{-}}{{Specs-Link|tbf-1c}}
 
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{{Navigation-First-Line|'''Motor torpedo boats'''}}{{Specs-Link|us_elco_80ft_pt_boat_mod01}}{{-}}{{Specs-Link|us_elco_80ft_pt_boat_mod02}}{{-}}{{Specs-Link|us_elco_80ft_pt_boat_thunderbolt}}{{-}}{{Specs-Link|us_higgins_78ft_pt625}}
 
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{{Navigation-End}}
 
  
 
== General info ==
 
== General info ==
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<!--''Tell us about the tactical and technical characteristics of the bomb.''-->
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''Tell us about the tactical and technical characteristics of the cannon or machine gun.''
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{| class="wikitable" style="margin-rigt: auto; margin-right: 0px;"
 
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!colspan = "4"|General Data for {{PAGENAME}} torpedo
 
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|-
 
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!colspan = "1"|
 
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!colspan = "1"| Nautical
 
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!colspan = "1"| Metric
 
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!colspan = "1"| Imperial
 
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|-
 
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| Average Drop Altitude
 
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|
 
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| 235 m
 
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| 800 ft
 
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|-
 
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| Maximum Drop Altitude
 
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|
 
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| 730 m
 
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| 2,400 ft
 
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|-
 
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| Average Drop Speed
 
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| 260 kts
 
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| 133 m/s
 
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| 300 mph
 
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|-
 
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| Maximum Drop Speed
 
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| 410 kts
 
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| 211 m/s
 
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| 470 mph
 
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|-
 
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| Speed in Water
 
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| 33.5 kts
 
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| 17.2 m/s
 
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| 38.5 mph
 
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|-
 
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| Run Depth
 
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| 0.54 fathom
 
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| 1 m
 
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| 3.2 ft
 
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|-
 
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| Max Distance
 
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| 3.0 nm
 
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| 5,720 m
 
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| 3.5 mi
 
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|-
 
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| Optimal Drop Angle
 
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| colspan="3;" style="text-align:center;" | 22° - 32°
 
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|}
 
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;Frangible add-on parts for aerial drop:
 
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* '''Drag ring''': Outfitted over the nose of the torpedo, this wooden device worked in combination to both slow the torpedo's descent and to also stabilize it, ensuring it impacted with the water at the proper angle. The drag ring would shed off of the torpedo upon impact with the water acting as a shock absorber, protecting the internal mechanics of the torpedo.
 
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* '''Box stabilizer''': A plywood, box-shaped stabilizer has been built around the shroud ring of the torpedo and is held together with wooden pegs which sheer during impact with the water. The wooden stabilizer acts to guide the torpedo to drop in a smooth curve and help the drag ring in pointing the torpedo nose first into the water.
 
  
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=== Effective damage ===
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=== Available ammunition ===
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''Describe the type of damage produced by this type of torpedo (high explosive, splash damage, etc)''
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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).''
  
 
=== Comparison with analogues ===
 
=== Comparison with analogues ===
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''Give a comparative description of torpedoes that have firepower equal to this weapon.''
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''Give a comparative description of cannons/machine guns that have firepower equal to this weapon.''
  
 
== Usage in battles ==
 
== Usage in battles ==
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''Describe situations when you would utilise this torpedo in-game (vehicle, pillbox, base, etc)''
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''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 and cons ===
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'''Pros:'''
 
'''Pros:'''
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* Can be dropped from higher altitudes (800 - 2,000 ft)
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*
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* Can be dropped at higher speeds (maximum 470 mph (756 kph))
 
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* Higher release increases glide distance, decreases time in the water to the target
 
  
 
'''Cons:'''
 
'''Cons:'''
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* Aircraft typically only carry one or two at a time
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*
  
 
== History ==
 
== History ==
−
''Describe 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>.''
+
''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>.''
  
 
== Media ==
 
== Media ==
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<!--''An excellent addition to the article would be a video guide, as well as screenshots from the game and photos.''-->
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''An excellent addition to the article would be a video guide, as well as screenshots from the game and photos.''
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{{Youtube-gallery|RvjAQduI1uU|Technical operations of U.S. Mk.13 Torpedoes [Historical]}}
 
  
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<div><ul>
 
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<li style="display: inline-block;"> [[File:Torpedo_Mk.13_Dropped_from_TBF-1C.png|thumb|none|400px|'''{{PAGENAME}}''' torpedo being dropped from a [[TBF-1C]].]] </li>
 
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<li style="display: inline-block;"> [[File:Torpedo_Mk.13_Successful_Drop.png|thumb|none|400px|Successful drop of a '''{{PAGENAME}}''' torpedo from a [[TBF-1C]] naval bomber.]] </li><!--
 
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<li style="display: inline-block;"> [[File:Image.jpg|thumb|none|250px|Words]] </li>
 
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<li style="display: inline-block;"> [[File:Image.jpg|thumb|none|250px|Words]] </li>-->
 
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</ul></div>
 
 
== 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:''
−
 
+
* ''reference to the article about the variant of the cannon/machine gun;''
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* ''reference to the article about the variant of the weapon;''
 
 
* ''references to approximate analogues by other nations and research trees.''
 
* ''references to approximate analogues by other nations and research trees.''
  
 
== External links ==
 
== External links ==
 
''Paste links to sources and external resources, such as:''
 
''Paste links to sources and external resources, such as:''
−
 
 
* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
 
* ''encyclopedia page on the weapon;''
 
* ''encyclopedia page on the weapon;''
 
* ''other literature.''
 
* ''other literature.''
  
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{{Torpedoes}}
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{{USA aircraft cannons}}
 +
{{Italy aircraft cannons}}
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{{France aircraft cannons}}
  
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[[Category:Suspended armaments]]
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[[Category:Aircraft cannons]]
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[[Category:Naval special armaments]]
 

Revision as of 14:40, 16 September 2019

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.

Vehicles equipped with this weapon

General info

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

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).

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

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

An excellent addition to the article would be a video guide, as well as 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;
  • encyclopedia page on the weapon;
  • other literature.


USA aircraft cannons
20 mm  AN/M2 · Browning-Colt Mk12 Mod 0 · Browning-Colt Mk12 Mod 3 · FMC T-160
  M3 · M24A1 · M39 · M39A1 · M39A2 · M39A3 · M61A1 · M195 · M197 · Mk 11 · Mk 11 mod 5 · T31
30 mm  M230E-1 · XM140 · GAU-8/A · GAU-13/A · LR30
37 mm  M4 · M9 · M10
40 mm  M75 · M129
75 mm  M10 · T13E1
  Foreign:
20 mm  Hispano 404 (France) · Hispano Mk.II (Britain) · MG 151 (Germany) · Type 99 Model 1 (Japan)
30 mm  ADEN Mk.4 (Britain)

Italy aircraft cannons
20 mm  TM197B
30 mm  Hispano HS 825
37 mm  Breda Model 39 37/54
102 mm  102/35 mod 14
  Foreign:
20 mm  B-20E (USSR) · B-20M (USSR) · B-20S (USSR) · Hispano 404 (France) · Hispano Mk.II (Britain) · Hispano Mk.V (Britain) · M24A1 (USA) · M61A1 (USA) · MG 151 (Germany) · MG FF (Germany) · MG FF/M (Germany) · ShVAK (USSR)
23 mm  GSh-23L (USSR) · NR-23 (USSR) · NS-23 (USSR)
27 mm  Akan m/85 (Sweden) · Mauser BK27 (Germany)
30 mm  DEFA 552 (France) · GSh-30-1 (USSR) · GSh-30-2K (USSR) · MK 103 (Germany) · MK 108 (Germany) · NR-30 (USSR)
37 mm  BK 3.7 (Germany) · N-37 (USSR) · N-37D (USSR)

France aircraft cannons
20 mm  GIAT M.621 · Hispano 404 · Hispano HS.9 · M50
30 mm  DEFA 541 · DEFA 551 · DEFA 552 · DEFA 552A · DEFA 553 · DEFA 554 · GIAT M781
  Foreign:
20 mm  AN/M2 (USA) · Browning-Colt Mk12 Mod 3 (USA) · Hispano Mk.II (Britain) · M3 (USA) · M24A1 (USA) · M39A1 (USA) · MG 151 (Germany) · ShVAK (USSR)
37 mm  M4 (USA) · M10 (USA) · NS-37 (USSR)

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