3 inch Mk.33 (76 mm)
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Contents
Description
The 3-inch Mark 33 is an American naval anti-aircraft gun, but ironically for being part of a long-serving American naval cannon it is mostly found in the Japanese tech tree where it was introduced on post-war Japanese designs.
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 | ||
| HC Mk.27 | HE | 8 | 8 | 8 | 8 | 8 | 8 |
| APHE | APHE | 121 | 98 | 77 | 61 | 49 | 39 |
| HE-VT | HE-VT | 7 | 7 | 7 | 7 | 7 | 7 |
| 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% | |||||||
| HC Mk.27 | HE | 823 | 5.9 | 0 | 0.1 | 500 | 79° | 80° | 81° |
| APHE | APHE | 823 | 5.9 | 3 | 10 | 63.7 | 47° | 60° | 65° |
| Proximity-fused shell details | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Ammunition | Type of warhead |
Velocity (m/s) |
Projectile Mass (kg) |
Fuse delay (m) |
Fuse sensitivity (mm) |
Arming distance (m) |
Trigger radius (m) |
Explosive Mass (TNT equivalent) (g) |
Ricochet | ||
| 0% | 50% | 100% | |||||||||
| HE-VT | HE-VT | 823 | 5.85 | 0 | 0.1 | 548 | 15 | 352.8 | 79° | 80° | 81° |
Comparison with analogues
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Usage in battles
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Pros and cons
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Pros:
Cons:
History
In late 1944, the 20 mm Oerlikon and Bofors L/60 were found to be insufficient to defend ships against Japanese Kamikaze attacks and it was eventually settled on developing a 3-inch gun based on a design that was in service since the 1890s. The reason for the 3-inch gun calibre was that they wanted to use radio proximity or VT fuses and the 3-inch was the smallest calibre capable of using these shells. The first gun to enter production in the anti-aircraft role of this capacity was the Mark 24, but later the twin mounts Mark 27 to the Mark 33 which featured a new slide. While the Mark 33 had a higher rate of fire compared to the earlier predecessors and used the same mount as the Bofors, it suffered from a short barrel life. The Mark 33 and the other variants of the gun entered service after the war and had long service history in the United States Navy from the late 1940s until the '80s. The gun also saw action in multiple other navies including Spain, where it is in service to this day, Norway, Japan, and Italy.
During the post-war period, the majority of the Japanese and Italian naval strength was disbanded or destroyed, but the rebuilding of the nations along with the geopolitics of the Cold War made the United States more amiable to the idea of these nations getting reformed navies with former US Navy destroyers serving as the first ships in these new services. For the Italians, they got former Fletcher-class destroyers such as the Geniere. The Japanese meanwhile got the Mark 33 for locally made destroyers such as the JDS Ayanami (DD-103) which was the first ship to mount these guns and later destroyer escorts such as the Ikazuchi-class.
Media
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See also
- 3-inch Mk.34 (76 mm) - Single mount variant.
External links
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- topic on the official game forum;
- other literature.
| USA naval cannons | |
|---|---|
| 20 mm | 20 mm/70 Oerlikon Mk.II · 20 mm/70 Oerlikon Mark V · 20 mm/70 Oerlikon Mark 24 |
| 25 mm | 25 mm/87 Mk.38 |
| 28 mm | 1.1 inch/75 Mk.1 |
| 37 mm | AN-M4 |
| 40 mm | Bofors L/60 Mark 1 · Bofors L/60 Mark 2 · Bofors L/60 Mark 3 |
| 76 mm | 3 inch/23 Mk.4 · 3-inch/50 Mk.10 · 3-inch/70 Mk.37 · 3-inch Mark 10 · 3 inch Mk.33 · 3-inch Mk.34 |
| 102 mm | 4 inch/50 Mk.9 |
| 127 mm | 5 inch/25 Mk.11 · 5 inch/25 Mk.13 AA · 5 inch/38 Mk.12 · 5-inch/50 Mk.5 · 5 inch/51 Mk.7 · 127 mm/54 Mark 18 |
| 152 mm | 6 inch/47 Mk.16 · 6 inch/47 DP Mk.16 · 6 inch/53 Mk.12 · M81 |
| 203 mm | 8 inch/55 Mark 9 · 8 inch/55 Mark 12 · 8 inch/55 Mark 14 · 8 inch/55 Mark 16 |
| 305 mm | 12-inch/45 Mk.5 · 12 inch/50 Mk.7 · 12 inch/50 Mk.8 |
| 356 mm | 14 inch/45 Mk.8 · 14 inch/45 Mk.12 · 14 inch/50 Mk.11 |
| Japan naval cannons | |
|---|---|
| 20 mm | JM61 · Type 98 |
| 25 mm | 25 mm/60 Type 96 |
| 37 mm | Type 4 · Type 11 pattern 1922 |
| 40 mm | 40 mm/62 Vickers |
| 57 mm | Type 97 |
| 75 mm | Type 88 AA |
| 76 mm | 3-inch/40 Type 41 · 8 cm/40 3rd Year Type · 8 cm/60 Type 98 |
| 100 mm | 100/65 mm Type 98 mod A |
| 120 mm | 120 mm/45 3rd Year Type · 120 mm/45 10th year type |
| 127 mm | 5 inch/40 Type 89 · 127 mm/50 3rd Year Type |
| 140 mm | 140 mm/50 3rd Year Type |
| 152 mm | 6-inch/45 Type 41 · 15 cm/50 Type 41 |
| 155 mm | 155 mm/60 3rd Year Type |
| 200 mm | 20 cm 3rd year type No.1 |
| 203 mm | 20 cm/45 Type 41 · 20 cm/50 3rd year type No.2 |
| 356 mm | 36 cm/45 Type 41 |
| 410 mm | 410 mm/45 Type 3 |
| Foreign: | |
| 20 mm | 20 mm/70 Oerlikon Mk.II (USA/Britain) |
| 40 mm | Bofors L/60 Mark 1 (USA) · Bofors L/60 Mark 2 (USA) · Bofors L/60 Mark 3 (USA) |
| 47 mm | 3 pdr QF Hotchkiss (Britain) |
| 76 mm | 3-inch Mark 10 (USA) · 3 inch Mk.33 (USA) · 3-inch Mk.34 (USA) |
| 120 mm | 4,7-inch/40 Armstrong (Britain) |
| 127 mm | 5 inch/38 Mk.12 (USA) |
| 305 mm | 12-inch/45 Vickers (Britain) · 12-inch/50 Vickers (Britain) |
