Difference between revisions of "Ho-3 (20 mm)"

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== Description ==
 
== Description ==
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The '''20 mm Ho-3''' is a Japanese autocannon. It was identical to the [[Ho-1_(20_mm)|20 mm Ho-1]], except is mounted in a fixed fashion onboard aircraft. Both designs were based off the 20 mm Type 97 anti-tank rifle.
 
The '''20 mm Ho-3''' is a Japanese autocannon. It was identical to the [[Ho-1_(20_mm)|20 mm Ho-1]], except is mounted in a fixed fashion onboard aircraft. Both designs were based off the 20 mm Type 97 anti-tank rifle.
  
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* '''Stealth:''' {{Annotation|FI|Fragmentation incendiary}}{{-}}{{Annotation|FI|Fragmentation incendiary}}{{-}}{{Annotation|HEF-I|High-explosive fragmentation incendiary}}{{-}}{{Annotation|HEF-I|High-explosive fragmentation incendiary}}
 
* '''Stealth:''' {{Annotation|FI|Fragmentation incendiary}}{{-}}{{Annotation|FI|Fragmentation incendiary}}{{-}}{{Annotation|HEF-I|High-explosive fragmentation incendiary}}{{-}}{{Annotation|HEF-I|High-explosive fragmentation incendiary}}
  
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{{:{{PAGENAME}}/Ammunition|HEFI-T, HEF-I, FI, AP-T}}
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{| class="wikitable sortable" style="text-align:center" width="100%"
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! colspan="7" | Penetration statistics
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|-
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! rowspan="2" data-sort-type="text" | Belt
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! colspan="6" | Penetration @ 0° Angle of Attack (mm)
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|-
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! 10 m !! 100 m !! 500 m !! 1,000 m !! 1,500 m !! 2,000 m
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|-
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| Default || 34 || 31 || 23 || 15 || 10 || 9
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|-
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| Universal || 34 || 31 || 23 || 15 || 10 || 9
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|-
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| Ground targets || 34 || 31 || 23 || 15 || 10 || 9
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|-
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| Tracers || 34 || 31 || 23 || 15 || 10 || 9
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|-
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| Stealth || 2 || 2 || 2 || 2 || 2 || 2
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|-
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|}
  
 
=== Comparison with analogues ===
 
=== Comparison with analogues ===
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== Usage in battles ==
 
== Usage in battles ==
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The Ho-3 cannons have a fairly low fire RPM of 400, however, they make up for it with decent Default and Universal belts, each with powerful HEFI rounds. They also have good accuracy and velocity, allowing them to be used effectively in a variety of situations.
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The Ho-3 cannons have a fairly low rate fire at 400 rpm. They make up for it with decent Default and Universal belts, each with powerful HEFI rounds. They also have good accuracy and velocity, allowing them to be used effectively in a variety of situations.
 
  
 
=== Pros and cons ===
 
=== Pros and cons ===
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'''Pros:'''  
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'''Pros:'''
 
  
 
* Decent accuracy once gun is upgraded
 
* Decent accuracy once gun is upgraded
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* Good default and universal belts
 
* Good default and universal belts
 
* Good explosive effect with HEFI rounds
 
* Good explosive effect with HEFI rounds
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*
  
 
'''Cons:'''
 
'''Cons:'''
  
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* Very low rate of fire
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* Very low rate of fire at 400 RPM
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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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The Imperial Japanese Army first issued their requirement for an anti-tank rifle in 1935 due to tension with the Red Army over the Manchurian Border and the Republic of China purchasing Vickers Six-Ton tanks. Kokura Arsenal entered a 20x125 mm design for the competition in 1936 which competed against a design from Nagoya Arsenal based on the Hotchkiss Mle 1929 and was accepted into service in 1938 as the Type 97 Automatic Cannon.
 
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Despite the name, Type 97 was a semi-automatic only rifle that was the heaviest anti-tank rifle of World War II. While it saw some action in the 1938 Battles of Khalkhin Gol against the Soviets and was used for infantry support in China (leading to the development of a new high explosive round), it was obsolete by 1942 due to stronger tank armor.
 
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The Imperial Japanese Army Air Service used the Type 97 in two capacities. The first was as a weapon for the Teishin Shudan Paratroopers. The second capacity was the [[Ho-1 (20 mm)|Ho-1]] and Ho-3 aircraft-mounted automatic cannons. Unlike the Type 97, the Ho-3 had a fully automatic mode with a rate of fire of 300-400 rpm and was fed with a larger 50-round drum magazine compared to the 12-round magazine used on the Type 97 or the 15-round drum of the Ho-1. The Ho-3 served as the flexible armament on the [[Ki-45 (Family)|Ki-45]] series of heavy fighters.
 
  
 
== 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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* ''encyclopedia page on the weapon;''
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* ''other literature.''-->
  
 
* [http://gunsight.jp/b/english/data/ja-gun-e.htm [Gunsight<nowiki>.jp]</nowiki> Japanese Army Aircraft Weapons]
 
* [http://gunsight.jp/b/english/data/ja-gun-e.htm [Gunsight<nowiki>.jp]</nowiki> Japanese Army Aircraft Weapons]

Revision as of 05:02, 15 December 2021

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Description

The 20 mm Ho-3 is a Japanese autocannon. It was identical to the 20 mm Ho-1, except is mounted in a fixed fashion onboard aircraft. Both designs were based off the 20 mm Type 97 anti-tank rifle.

Vehicles equipped with this weapon

General info

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

Available ammunition

  • Default: FI · HEFI-T · HEF-I · AP-T
  • Universal: HEFI-T · HEF-I · AP-T
  • Ground targets: AP-T · AP-T · FI · HEF-I
  • Tracers: AP-T · HEFI-T
  • Stealth: FI · FI · HEF-I · HEF-I
Penetration statistics
Belt Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Default 34 31 23 15 10 9
Universal 34 31 23 15 10 9
Ground targets 34 31 23 15 10 9
Tracers 34 31 23 15 10 9
Stealth 2 2 2 2 2 2

Comparison with analogues

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

Usage in battles

The Ho-3 cannons have a fairly low fire RPM of 400, however, they make up for it with decent Default and Universal belts, each with powerful HEFI rounds. They also have good accuracy and velocity, allowing them to be used effectively in a variety of situations.

Pros and cons

Pros:

  • Decent accuracy once gun is upgraded
  • Good muzzle velocity
  • Good default and universal belts
  • Good explosive effect with HEFI rounds

Cons:

  • Very low rate of fire at 400 RPM

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


Japan aircraft cannons
20 mm  Ho-1 · Ho-3 · Ho-5 · Type 99 Model 1 · Type 99 Model 2
30 mm  Ho-155 · Type 5
37 mm  Ho-203 · Ho-204 · Type 94
40 mm  Ho-301
57 mm  Ho-401
75 mm  Type 88
  Foreign:
20 mm  M39A3 (USA) · M61A1 (USA) · M197 (USA) · MG FF (Germany) · MG FF/M (Germany) · MG 151 (Germany)
30 mm  GAU-13/A (USA) · M230E-1 (USA)

China aircraft cannons
23 mm  Type 23-1 · Type 23-2K · Type 23-3 · Type 23L
30 mm  Type 30-1
  Foreign
20 mm  AN/M2 (USA) · B-20E (USSR) · Hispano 404 (France) · Hispano Mk.II (Britain) · Ho-3 (Japan) · Ho-5 (Japan)
  M39A1 (USA) · M39A2 (USA) · M39A3 (USA) · M61A1 (USA) · M197 (USA) · ShVAK (USSR) · Type 99 Model 1 (Japan)
23 mm  NR-23 (USSR) · NS-23 (USSR) · NS-23K (USSR)
30 mm  GAU-13/A (USA)
37 mm  Ho-203 (Japan) · N-37D (USSR)

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