Ho-103 (12.7 mm)

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Description

The Ho-103 is a variant of the Japanese Type 1 short-recoil operated heavy machine gun. The design was based on the M1921 Browning and chambered for the Italian 12.7x81SR cartridge. Compared to contemporaries such as the M2 Browning, the Ho-103 weighed less but had significantly lower muzzle velocity and projectile mass.

Vehicles equipped with this weapon

Vehicles equipped with this weapon
Fighters 
Ki-43  Ki-43-I (Modification) · Ki-43-II · ▃Ki-43-II · ␗Ki-43-III ko
Ki-44  Ki-44-I · Ki-44-I 34 · Ki-44-II hei · ␗Ki-44-II hei · Ki-44-II otsu
Ki-61  Ki-61-I hei · Tada's Ki-61-I hei · Ki-61-I ko · Ki-61-I otsu · ▃Ki-61-Ib · ␗Ki-61-I otsu · Ki-61-I tei · Ki-61-II Otsu Kai
Ki-84  Ki-84 ko · ␗Ki-84 ko
Ki-100  Ki-100 · Ki-100-II
Twin-engine fighters  Ki-45 ko · Ki-45 otsu

General info

The Ho-103 is the variant of the Type 1 machine gun intended for fixed mounting. It is directly related to the Ho-104; the Ho-104 being intended for flexible mounting.

Rate of fire 900 RPM
Weapon mass 23 kg
Muzzle velocity 780 m/s
Cartridge 12.7x81SR Breda

Available ammunition

  • Default: T · Ball · Ball · Ball · AP
  • Universal: AP · T · HEF · T · I
  • Air targets: AP-T · T · HEI · HEI
  • Tracers: T · AP-T
  • Stealth: AP · AP · HEI · HEI
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 18 17 6 5 0 0
Universal 18 17 6 5 2 2
Air targets 18 17 6 5 2 2
Tracers 18 17 6 5 0 0
Stealth 18 17 6 5 2 2

Comparison with analogues

The Ho-103 is one of the weakest aircraft HMGs in War Thunder.

Projectile mass (and thus explosive/incendiary payload) is lower than both the American .50 BMG and the German 13x64B cartridges. Muzzle velocity is slightly higher than the German MG 131, but over 100 m/s lower than the American M2. The low mass and low velocity reduce the effective range of the weapon and increase the necessary angle for bullet drop compensation.

Usage in battles

  • Due to the low velocity, it is often impractical to use the Ho-103 at anything other than close range
  • The typically low ammunition count of Japanese aircraft using the Ho-103 means that ammunition must be conserved judiciously.
  • The Default and Tracer belts should not be used if possible. The lack of explosive incendiary bullets greatly reduces damage dealt.

Pros and cons

Pros:

  • The weapon itself is fairly light
  • The fired 12.7 mm rounds consistently do more damage than 7.7 mm

Cons:

  • Low muzzle velocity
  • The available shells have comparatively weak payloads

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


Aircraft machine guns
USA 
7.62 mm  Browning · M134 Minigun
12.7 mm  GAU-19 · M2 Browning · M3 Browning
Germany 
7.62 mm  MG3
7.92 mm  MG 15 · MG 17 · MG 81
12.7 mm  FN M3P
13 mm  MG 131
USSR 
7.62 mm  DA · GShG-7.62 · PKT · PV-1 · ShKAS
12.7 mm  A-12.7 · Berezin UB · TKB-481 · YaK-B
Britain 
7.62 mm  FN 60.30 · L8A1
7.7 mm  Browning · Lewis · Vickers E · Vickers K
Japan 
7.7 mm  Te-1 · Type 89 · Type 89 'special' · Type 92 · Type 97 navy
7.92 mm  Type 1 · Type 98
12.7 mm  Ho-103 · Ho-104
13 mm  Type 2
13.2 mm  Type 3
China 
12.7 mm  QJK99-12.7-1
Italy 
7.7 mm  Breda-SAFAT · Lewis
7.92 mm  FN Browning
12.7 mm  Breda-SAFAT · FN M3M · Scotti
France 
7.5 mm  Darne 1933 · Fabrique Nationale Mle 38 · FN Browning · MAC 1934 · MAC 1934T · Mle 33 · Mle 1923
7.62 mm  PKA
7.92 mm  FN-Browning M.36 No.3 · FN-Browning M.36 No.4
Sweden 
7.7 mm  FN-Browning M.36 No.3
8 mm  Ksp m/22 · Ksp m/22 Fh · Ksp m/22 Fv · Ksp m/22-37 R
12.7 mm  Akan m/39A · Akan m/40 · Akan m/45 · LKk/42
13.2 mm  Akan m/39 · Akan m/39A

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