CN90 F4 (90 mm)

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Description

The CN90 F4 (otherwise known as the Super 90) is a 90 mm smooth-bore cannon manufactured by Nexter. The Super 90 is based off of the earlier F1 and F3 versions and compared to the earlier versions, it is way lighter and has higher muzzle velocities, while also being 19 calibres longer than the earlier version of the cannon.

Vehicles equipped with this weapon

General info

Both the barrel and the breech are made from ESR (Electro-Slag Refined) steel, a process which adds more polish and toughness to the steel, while the vertical wedge breech is inclined at an angle of 35° to allow easier, and faster, reloading.

In case maintenance is required, the breech mechanism and the recoil mechanism have been designed in a way to allow quick and easy maintenance without having to strip down the cannon completely. The breech mechanism itself is made from modular assemblies while the recoil mechanism is made up of smaller subassemblies, which aid in the quick and easy maintenance.

A thermal coat is also added onto the cannon to help withstand higher temperatures without the barrel deforming. At the end of the cannon, a single-baffle muzzle brake is added to aid with recoil.

Available ammunition

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
OCC 90 F2 HEATFS 320 320 320 320 320 320
OE 90 F1 HE 13 13 13 13 13 13
OFL 90 F1 APFSDS 271 267 253 235 218 201
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%
OCC 90 F2 HEATFS 950 8.95 0.05 0.1 877.7 65° 72° 77°
OE 90 F1 HE 750 10.45 0 0.1 945 79° 80° 81°
OFL 90 F1 APFSDS 1,275 2.33 N/A N/A N/A 78° 80° 81°
Smoke shell characteristics
Ammunition Velocity
(m/s)
Projectile
Mass (kg)
Screen radius
(m)
Screen deploy time
(s)
Screen hold time
(s)
Explosive Mass
(TNT equivalent) (g)
OFUM 90 F1 750 10.2 13 5 20 50

Comparison with analogues

Comparable cannons to the CN90 F4
Name Year of Creation Nation Maximum Penetration
(mm)
Calibre
(mm)
T208E9 (90 mm) 1957 US 300 90
Type 61 (90 mm) 1955 JPN 320 90
BK90 (90 mm) 1960 GER 320 90

Usage in battles

Describe the cannon/machine gun in the game - its distinctive features, tactics of usage against notable opponents. Please don't write a "guide" - do not impose a single point of view, but give the reader food for thought.

Pros and cons

Pros:

  • Fairly good reload speed of 6.5 seconds
  • Access to smoke shells
  • Starting HEAT-FS is powerful

Cons:

  • Very mediocre APFSDS shell; low penetration power and post-penetration damage

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

CN90 F4 mounted on the MARS 15

See also

External links


France tank cannons
20 mm  20F2
25 mm  SA34 L/72
37 mm  SA18 L/21 · SA38 L/33
47 mm  SA34 L/30 · SA35 L/32 · SA37
75 mm  APX · SA35 L/17 · SA44 · SA49 · SA50 L/57
90 mm  CN90 F3 · CN90 F4 · DEFA F1 · SA45
100 mm  SA47 L/58
105 mm  CN-105-F1 · Modele F2 · PzK M57
120 mm  GIAT CN120-25 G1 · GIAT CN120-26 F1 · SA46
142 mm  ACRA
155 mm  L'Obusier de 155 Modèle 1950
  Foreign:
15 mm  MG 151 (Germany)
20 mm  MG 151 (Germany)
37 mm  M6 (USA)
40 mm  QF 2-pounder (Britain)
75 mm  KwK42 (Germany) · M3 (USA) · M6 (USA)
76 mm  M7 (USA)
105 mm  M4 (USA)