BK90 (90 mm)

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Description

The BK90 is a German modification of the American 90 mm gun M1/M2/M3 taken from old M47s. It has access to HEATFS, HE, and HESH which is the only new round.

Vehicles equipped with this weapon

General info

The gun's HEATFS shell has amazing penetration at long range for the BR combined with a short reload time. The gun its great for ambushing and sniping, however lacking kinetic energy projectiles makes even trees an obstacle.

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
DM502 HESH 102 102 102 102 102 102
M431 shell HEATFS 320 320 320 320 320 320
M71 shell HE 13 13 13 13 13 13
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%
DM502 HESH 853 10.6 0.1 4 3,050 73° 77° 80°
M431 shell HEATFS 1,216 5.8 0.05 0.1 712.64 65° 72° 77°
M71 shell HE 823 10.55 0 0.1 925 79° 80° 81°

Comparison with analogues

  • M36 (90 mm) - American variant of the cannon, which the BK90 was derived from. Though it does not have the BK90's HESH round, it has a large variety of AP rounds for use.

Usage in battles

The BK90 with HEATFS is a formidable opponent on the battlefield that can penetrate every 6.7 tank's frontal armour at any range. It is best used in hit-n-run types of attack due to the vehicles it is mounted on.

Pros and cons

Pros:

  • Access to HEATFS that can penetrate every tank that it typically has to face

Cons:

  • No kinetic ammunition
  • Of the chemical rounds available, only the HEATFS round is of noteworthy use

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 If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the weapon and adding a block "/History" (example: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

Images

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


Germany tank cannons
20 mm  KwK30 · KwK38 · Rh202
28/20 mm  s.Pz.B.41
30 mm  MK 30-2/ABM
37 mm  KwK34(t) · KwK36 · KwK38(t) · PaK L/45
47 mm  Pak.(t)(Sf.)
50 mm  KwK39 · KwK L/42 · PaK38
57 mm  Bofors L/70 Mk.1
75 mm  K51 L/24 · KwK37 · KwK40 L43 · KwK40 L48 · KwK42 · KwK44 · KwK44 L/36.5 · PaK39 L48 · PaK40/3 L46 · PaK42 · StuK37 · StuK40
76 mm  PaK36 (r)
88 mm  Flak.37 · Flak 41 · KwK36 · KwK43 · PaK43
90 mm  BK90
105 mm  CN105-57 · FMK.4 Modelo 1L · K.18 · KwK L/68 · L7A3 · PzK M57 · StuH42
120 mm  Rh120 L/44 · Rh120 L/55
128 mm  K.40 · KwK44 · PaK44
150 mm  s.I.G.33 · Stu.H 43 L/12
380 mm  RW61
  Foreign:
  HSS 831L (Britain)
57 mm  6pdr OQF Mk.V (Britain)
73 mm  2A28 (USSR)
75 mm  M3 (USA)
76 mm  F-32 (USSR) · F-34 (USSR) · M32 (USA)
90 mm  M36 (USA) · M41 (USA)
105 mm  GT-3 (Britain)
152 mm  M-10T (USSR) · XM150E5 (USA)