Type 96 (25 mm)

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25 mm Type 96
Type96 25mm.png
Information
Automatic CannonType
Japan Japan flag.pngCounty of Origin
General Characteristics
25 mmDiameter
1.5 mLength
15 roundsBelt Capacity
261 rpmRate of Fire
900 m/sMuzzle Velocity
40 mmMax Penetration
Production History
Imperial Japanese NavyDesigner
Full ProductionProduction Status
1935 - 1945Produced

Description

The Type 96 cannon is a 25 mm naval anti-aircraft automatic cannon that can be found on many WWII-era motor torpedo boats, sub-chasers, destroyers and light cruisers throughout the Japanese naval tech tree, in either single, double, or triple mounts.

Vehicles equipped with this weapon

Vehicles equipped with this weapon
Motor torpedo boats  T-51b · Type T-14 (Mod. 01) · Type T-38
Sub-chasers  Syonan · Type K-3 / No.1 Class · Type K-7 / No.4 Class · Type K-8 (1944)
Destroyers  IJN Akizuki · IJN Kiyoshimo · IJN Yugumo
Cruisers  IJN Agano · IJN Furutaka · IJN Kuma · IJN Mogami

General info

The Type 96 has a barrel diameter of 25 mm, a barrel length of 1.500 m, and weighs 115 kg. It has a magazine size of 15 rounds and a rate of fire of 261 rounds per minute.

Available ammunition

Depending on the vehicle, there are up to three belts available. Note that Default and Universal refer to the same belt, depending on the vehicle.

  • Default/Universal: HEF-T/HEF/AP-T/HEI
  • 25 mm APT: AP-T/AP-T/AP-T/HEF
  • 25 mm HEIT: HEF-T/HEI/HEI/HEI
Msg-info.png Not all belts listed are available on all vehicles equipped with this weapon.
Penetration Statistics
Ammunition Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
HEF-T 10 10 9 8 7 6
HEF 10 10 9 8 7 6
AP-T 40 39 29 18 10 6
HEI 10 10 9 8 7 6
Shell Details
Ammunition Projectile Mass (kg) Velocity (m/s) Explosive Type Explosive Mass (kg) TNT Equivalent (kg) Fuse Delay (m) Fuse Sensitivity (mm) Normalization at 30° Ricochet
0% 50% 100%
HEF-T 0.199 900.0 TNT 0.02 0.02 0.0 0.1
HEF 0.199 900.0 TNT 0.0153 0.0153 0.0 0.1
AP-T 0.251 900.0 N/A N/A N/A N/A N/A
HEI 0.0.218 900.0 TNT 0.019 0.019 0.0 0.1

Comparison with analogues

The closest comparison with the Type 96 calibre and penetration performance-wise is the Oerlikon Mk.II (20 mm) and its derivatives. However, the Oerlikon Mk.II is notably superior with a rate of fire over 70% greater at 450 rounds/min, as well as belt size of 60 rounds, four times as great as the Type 96. It also has a explosive mass in its HE shells over twice as much as that of the Type 96. The German equivalent, MG C/38 (20 mm) in various mountings, takes this difference even further with an explosive mass over three times as large. However, unlike both of these, the Type 96 has access to a belt containing only HE rounds, the 25 mm HEIT belt.

Among destroyer and cruiser anti-aircraft armament, the Bofors L/60 Mark 1 (40 mm) and its derivatives are vastly superior, firing a much larger projectile and having a much longer effective range, as well as being able to continuously fire without needing to reload (so long as the gun doesn't overheat).

Usage in battles

On vessels with only a single installation, the low capacity of the magazine and relatively low explosive mass in the HE rounds can be a major disadvantage, as it can potentially take multiple reloads to finish off a single enemy, whereas similar weapons can destroy their target with ammunition left to spare. Despite its deficiencies single installations, on vessels with multiple installations such as the sub-chaser Syonan and the destroyer IJN Akizuki, their potential effectiveness begins to show. On these vessels, the Type 96 cannons can provide virtually continuous fire with their relatively quick reload, other guns firing as one reloads. Together, they also overcome their small explosive mass through sheer volume of fire, making quick work of any PT boats. As anti-aircraft weapons though, they leave much to be desired, with an effective range of only about 2.5 km.

The primary belt against aircraft and enemy boats should be the 25 mm HEIT belt, since it contains purely HE rounds. That being said, several 25 mm APT belts should be carried for the occasional armored boat. On destroyers and cruisers, there is no advantage to using the 25 mm APT belt, since armored targets will possess more armor than they can penetrate.

Pros and cons

Pros:

  • Relatively quick reload
  • HEIT belt contains only HE

Cons:

  • Small magazine size, 15 rounds
  • Slow rate of fire
  • Small explosive mass, low damage output
  • Lacking AA capabilities due to low effective range

History

Beginning in 1935, Japan began to search for a replacement for the 40 mm/62 "HI" Type 91 anti-aircraft cannon, a Japanese-built Vickers QF 2-pounder "pom-pom" cannons. Eventually, the search led Japanese weapons engineers to France where the 25 mm Hotchkiss gun was selected, with a small order being placed for testing in Japan. These French-made units, designated Type 94 and Type 95, would be at Yokosuka Naval Arsenal, with the production variant, Type 96, entering mass production in Japan the same year.

The Type 96 had a barrel diameter of 25 mm (1 inch), a barrel length of 1.5 m (60 calibre), weighed 115 kg, and fired rounds with a muzzle velocity of 900 m/s. A rate of fire of 260 rounds per minute was possible, though the rate of fire was most commonly set around 220 rounds per minute, lower in elevated positions as the position interfered with spent cartridge ejection. The Type 96 was fed by a box magazine with a capacity of 15 rounds, with high explosive, high explosive incendiary, armor-piercing, and tracer rounds available. The Japanese made several modifications to the original French design, incorporating a Rheinmetall flash suppressor design, substituting forged metal components with cast metal, and using stainless steel components for use on submarines. The Type 96 was gas-operated and had an air-cooled, monobloc barrel. The barrel was replaceable, although change-outs were difficult.

The Type 96 could be mounted in single, double, and triple mounts, typically operated by three, seven, and nine crew members, respectively. The single, double, and triple mounts weighed 785 kg, 1,100 kg, and 1,800 kg, respectively. All mountings were manually laid (though some triple mounts on certain ships received electric drive systems), and ammunition was carried to the gun by the crew and manually hand loaded. The Type 96 most commonly did not have a gun shield.

Entering service in 1936, the Type 96 was very widely used throughout the Imperial Japanese Navy, mounted on almost all ships during WWII. Some guns were even used in the anti-tank role, thought its use in this role is questionable. The Japanese considered the Type 96 to be an excellent anti-aircraft cannon; however, compared to its Allied contemporaries, the Type 96 was rather lackluster. The small magazine size of only 15 rounds meant frequent reloads which lowered its effective rate of fire to around 120 rounds per minute. The gun was also manually traversed and often couldn't be trained quickly enough to track enemy aircraft. In total, around 33,000 Type 96 guns were produced.

Media

An excellent addition to the article would be a video guide, as well as screenshots from the game and photos.

See also

External links


Japan naval cannons
20 mm  Type 98 · JM61-RFS
25 mm  Type 96
37 mm  Type 11 pattern 1922 · Type 4
40 mm  40 mm/62 "HI" Type 91 AA
57 mm  Type 97
75 mm  Type 88 AA
76 mm  8 cm/40 Type 88 · 3-inch Mk.33
80 mm  8 cm/60 Type 98
100 mm  100/65 mm Type 98 mod A
120 mm  120 mm/40 10th year type · 120 mm/45 Type 3
127 mm  Type 3
140 mm  140 mm/50 3rd Year Type
152 mm  15 cm/50 Type 41
200 mm  3rd year type No.1 · 20 cm/50 3rd year type No.2