Difference between revisions of "BK 3.7 (37 mm)"

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== Description ==
 
== Description ==
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''Write an introduction to the article in 2-3 small paragraphs. Briefly tell us about the history of the development and combat using the weaponry and also about its features. Compile a list of air, ground, or naval vehicles that feature this weapon system in the game.''
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The '''Bordkanone 3,7''' ('''BK 3,7''') ("on-board cannon 3.7") was a German 3.7 cm (1.46 in) anti-tank/bomber autocannon of World War II and based on the earlier 3.7 cm (1.46 in) 3.7 cm Flak 18.  
  
 
=== Vehicles equipped with this weapon ===
 
=== Vehicles equipped with this weapon ===
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== General info ==
 
== General info ==
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''Tell us about the tactical and technical characteristics of the cannon or machine gun.''
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''Type: Aircraft cannon''
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Caliber: 3,7 cm (1,46) in
  
 
=== Available ammunition ===
 
=== Available ammunition ===
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== Usage in battles ==
 
== Usage in battles ==
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''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.''
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''The Bk 3,7 can penetrate any tank or armored target at its battle rating. If attacking heavy tanks like KV-1 you should go for the roof of the enemy tank. Remember that your ammo count is very low so use your ammunition efficiently.''
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You should not fight airplanes using this cannon because the spread of the cannon is prettt bad.  
  
 
=== Pros and cons ===
 
=== Pros and cons ===
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'''Pros:'''
 
'''Pros:'''
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* HVAP-T shells have excellent penetration against armour
 
* HVAP-T shells have excellent penetration against armour
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* He shell shreds planes
  
 
'''Cons:'''
 
'''Cons:'''
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* Packs a small amount of ammo in all but the Bf 110 G-2 gun pod
 
* Packs a small amount of ammo in all but the Bf 110 G-2 gun pod
 
* HEF-T shell doesn't have as much effect as Minengeschoss from 30 mm
 
* HEF-T shell doesn't have as much effect as Minengeschoss from 30 mm
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* Too slow rate of fire to be practical in a dogfight
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* Too slow rate of fire to be practical in dogfights
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* Hard to hit to planes
  
 
== History ==
 
== History ==
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''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: <nowiki>https://wiki.warthunder.com/(Weapon-name)/History</nowiki>) and add a link to it here using the <code>main</code> template. Be sure to reference text and sources by using <code><nowiki><ref></ref></nowiki></code>, as well as adding them at the end of the article with <code><nowiki><references /></nowiki></code>.''
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BK 3,7 equipped ground attack aircraft were developed for tank hunting on the Eastern Front in an effort to blunt the massive numerical superiority of the Soviet T-34 tank as the war turned against Germany. The concept was rather rudimentary, suffered from poor accuracy, severe weight penalty making the craft vulnerable to fighters, and low ammunition capacity; but could be extremely effective when operated by a sufficiently skilled and practised ground-attack pilot, such as Hans-Ulrich Rudel in his BK 3,7 armed Junkers Ju 87G. 
  
 
== Media ==
 
== Media ==
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== See also ==
 
== See also ==
 
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
 
''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;''
 
* ''reference to the article about the variant of the cannon/machine gun;''
 
* ''references to approximate analogues by other nations and research trees.''
 
* ''references to approximate analogues by other nations and research trees.''

Revision as of 09:53, 12 June 2022

Description

The Bordkanone 3,7 (BK 3,7) ("on-board cannon 3.7") was a German 3.7 cm (1.46 in) anti-tank/bomber autocannon of World War II and based on the earlier 3.7 cm (1.46 in) 3.7 cm Flak 18.

Vehicles equipped with this weapon

General info

Type: Aircraft cannon

Caliber: 3,7 cm (1,46) in

Available ammunition

  • Default: HVAP-T · HEF-T
  • Armored targets: HVAP-T
  • Air targets: HEF-T
Penetration statistics
Belt Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Default 108 101 75 51 35 24
Armored targets 108 101 75 51 35 24
Air targets 10 10 8 4 4 4
Belt details
Belt Type of
warhead 		Velocity
(m/s) 		Projectile
Mass (kg) 		Fuse delay
(m) 		Fuse sensitivity
(mm) 		Explosive Mass
(TNT equivalent) (g) 		Ricochet
0% 50% 100%
Armored targets HVAP-T 1,150 0.41 N/A N/A N/A 66° 70° 72°
Air targets HEF-T 914 0.55 1 0.5 108 79° 80° 81°

Comparison with analogues

Give a comparative description of cannons/machine guns that have firepower equal to this weapon.

Usage in battles

The Bk 3,7 can penetrate any tank or armored target at its battle rating. If attacking heavy tanks like KV-1 you should go for the roof of the enemy tank. Remember that your ammo count is very low so use your ammunition efficiently.

You should not fight airplanes using this cannon because the spread of the cannon is prettt bad.

Pros and cons

Pros:

  • HVAP-T shells have excellent penetration against armour
  • He shell shreds planes

Cons:

  • Packs a small amount of ammo in all but the Bf 110 G-2 gun pod
  • HEF-T shell doesn't have as much effect as Minengeschoss from 30 mm
  • Too slow rate of fire to be practical in dogfights
  • Hard to hit to planes

History

BK 3,7 equipped ground attack aircraft were developed for tank hunting on the Eastern Front in an effort to blunt the massive numerical superiority of the Soviet T-34 tank as the war turned against Germany. The concept was rather rudimentary, suffered from poor accuracy, severe weight penalty making the craft vulnerable to fighters, and low ammunition capacity; but could be extremely effective when operated by a sufficiently skilled and practised ground-attack pilot, such as Hans-Ulrich Rudel in his BK 3,7 armed Junkers Ju 87G. 

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

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 aircraft cannons
15 mm  MG 151
20 mm  MG 151 · MG C/30L · MG FF · MG FF/M
27 mm  Mauser BK27
30 mm  MK 101 · MK 103 · MK 108
37 mm  BK 3.7
50 mm  BK 5 · Mk.214a
75 mm  BK 7.5
  Foreign:
20 mm  Hispano Mk.V (Britain) · M24A1 (USA) · M61A1 (USA) · ShVAK (USSR)
23 mm  GSh-23L (USSR) · NR-23 (USSR) · VYa-23 (USSR)
30 mm  DEFA 552 (France) · GSh-30-1 (USSR) · GSh-30-2K (USSR) · NR-30 (USSR)
37 mm  N-37D (USSR)

Italy aircraft cannons
20 mm  TM197B
30 mm  Hispano HS 825
37 mm  Breda Model 39 37/54
102 mm  102/35 mod 14
  Foreign:
20 mm  B-20E (USSR) · B-20M (USSR) · B-20S (USSR) · Hispano 404 (France) · Hispano Mk.II (Britain) · Hispano Mk.V (Britain) · M24A1 (USA) · M61A1 (USA) · MG 151 (Germany) · MG FF (Germany) · MG FF/M (Germany) · ShVAK (USSR)
23 mm  GSh-23L (USSR) · NR-23 (USSR) · NS-23 (USSR)
27 mm  Akan m/85 (Sweden) · Mauser BK27 (Germany)
30 mm  DEFA 552 (France) · GSh-30-1 (USSR) · GSh-30-2K (USSR) · MK 103 (Germany) · MK 108 (Germany) · NR-30 (USSR)
37 mm  BK 3.7 (Germany) · N-37 (USSR) · N-37D (USSR)

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