Type 4 (37 mm)

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Description

The 37 mm Type 4 is a naval derivative of the 37 mm Type 94 currently found on the Type 4 anti-submarine motor gun boats.

Vehicles equipped with this weapon

General info

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Available ammunition

The 37 mm Type 4 has a choice of 2 shells, HE and APHE

  • HE - Has good explosive mass for its calibre, but usually can't damage interior modules
  • APHE - Low explosive mass, but can penetrate and damage interior modules in ships

Penetration statistics
Ammunition Type of
warhead
Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
37 mm HE HE 3 3 3 3 3 3
37 mm APHE APHE 47 45 37 29 23 18
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%
37 mm HE HE 677 0.65 0 0.1 69.3 79° 80° 81°
37 mm APHE APHE 662 0.7 1 3 11 47° 60° 65°

Comparison with analogues

  • 45 mm/46 21-K · 45 mm/68 21-KM - Soviet single-shot cannons, generally superior in every way, having higher muzzle velocity, stronger shells, and the same reload speed, only worse in traverse speed, being about half as slow to aim.
  • 3 pdr QF Hotchkiss (47 mm) - British single-shot cannon, has about double the explosive mass for its HE shell and the same reload speed, but has no access to any armour-piercing ammunition and has a lower muzzle velocity.

Usage in battles

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Pros and cons

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Pros:

  • Fairly accurate gun
  • Fast traverse speeds

Cons:

  • Low rate of fire and single shot
  • Individual rounds do little damage
  • Low muzzle velocity

History

A variant of the 37 mm Type 98 tank cannon (itself a derivative of the 37 mm Type 94 gun), the Type 4 was designed in 1943 for mounting on the Type 3 transport submarines. In order to prevent rust, every part was plated in chromium, and waterproof plugs and drain holes installed. In 1944, an anti-aircraft mount was devised for the weapon, mounted on some Daihatsu-class landing crafts. [1]

Media

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See also

External links

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  • topic on the official game forum;
  • other literature.

References


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)