Difference between revisions of "NS-45 (45 mm)"

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{{AutoWeapon-Card
 
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| image = <!-- File:Weapon_{{PAGENAME}}.jpg -->
 
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| title = {{PAGENAME}}
 
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| MG-calibre = 45
 
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| Belt-capacity =
 
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| RoF = 258
 
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| MG-velocity = 780
 
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| MG-max-pen = 4
 
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}}
 
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== Description ==
 
== Description ==
−
''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.''
+
<!-- ''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.'' -->
 +
''The Nudelman-Suranov NS-45 (also known as NS-45 for short)'' is an extended and much larger version of the [[NS-37 (37 mm)|NS-37]] aircraft autocannon. It was made for the [[Yak-9K]] (The "K" stands for "Krupnokalibernyi", which means "larger calibre") specifically, but it was proven to be unsatisfactory as the autocannon stressed the aircraft's airframe way too much to be viable and reliable. Only 44 Yak-9Ks were equipped with the NS-45, but a prototype night fighter version of the [[Tu-2]] called the Tupolev Tu-1 carried two of these cannons under its nose, together with a pair of NS-23s on its wings. However, the Tu-1's Am-43V engines were not ready for production so only a prototype version of the aircraft was created.
  
 
=== Vehicles equipped with this weapon ===
 
=== Vehicles equipped with this weapon ===
 
<!-- ''List out vehicles that are equipped with the weapon.'' -->
 
<!-- ''List out vehicles that are equipped with the weapon.'' -->
 +
 
* {{Specs-Link|tis_ma}}&nbsp;(Modification)
 
* {{Specs-Link|tis_ma}}&nbsp;(Modification)
 
* {{Specs-Link|yak-9k}}
 
* {{Specs-Link|yak-9k}}
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== General info ==
 
== General info ==
−
''Tell us about the tactical and technical characteristics of the cannon or machine gun.''
+
<!-- ''Tell us about the tactical and technical characteristics of the cannon or machine gun.'' -->
 +
The NS-45 is a 45 mm autocannon chambered in the 45 x 186 mm shell. It is fed trough a belt of 29 rounds (sometimes 15 rounds) and its recoil operation is short action based. Its length was approximately 252 cm and its mass is 152 kg. It had a muzzle velocity of 780 m/s which is quite decent for an aircraft mounted autocannon, and the rate of fire of 260 to 280 shots a minute.
 +
 
 +
It had huge amounts of recoil, so much so that if the pilot was flying at lower speed, they could be violently shook back and forth. This high amounts of recoil also meant that the airframe would be under heavy stress. Numerous oil leaks and water leaks could be sprung after the autocannon was shot.
 +
 
 +
While it was very effective at taking down aircraft targets, it could not be aimed realistically past the first shot. This lead to the abandonment of mass producing the aircraft and the cannon.
  
 
=== Available ammunition ===
 
=== Available ammunition ===
 
<!-- ''Describe the shells that are available for the weapon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).'' -->
 
<!-- ''Describe the shells that are available for the weapon and their features and purpose. If it concerns autocannons or machine guns, write about different ammo belts and what is inside (which types of shells).'' -->
−
* '''Default:''' {{Annotation|HEFI-T|High-explosive fragmentation incendiary tracer}}
+
 
 +
* '''Default:''' {{Annotation|HEFI-T|High-explosive fragmentation incendiary tracer}}{{-}}{{Annotation|HEFI-T|High-explosive fragmentation incendiary tracer}}{{-}}{{Annotation|AP-T|Armour-piercing tracer}}
 +
* '''Air targets:''' {{Annotation|HEFI-T|High-explosive fragmentation incendiary tracer}}
 +
* '''Armoured targets:''' {{Annotation|AP-T|Armour-piercing tracer}}
  
 
{| class="wikitable sortable" style="text-align:center" width="100%"
 
{| class="wikitable sortable" style="text-align:center" width="100%"
 
! colspan="7" | Penetration statistics
 
! colspan="7" | Penetration statistics
 
|-
 
|-
−
! rowspan="2" data-sort-type="text" | Ammunition
+
! rowspan="2" data-sort-type="text" | Belt
−
! colspan="6" | '''Penetration @ 0° Angle of Attack (mm)'''
+
! colspan="6" | Penetration @ 0° Angle of Attack (mm)
 
|-
 
|-
 
! 10 m !! 100 m !! 500 m !! 1,000 m !! 1,500 m !! 2,000 m
 
! 10 m !! 100 m !! 500 m !! 1,000 m !! 1,500 m !! 2,000 m
 
|-
 
|-
−
| HEFI-T || 4 || 4 || 4 || 4 || 4 || 4
+
| Default || 63 || 60 || 48 || 36 || 27 || 20
 +
|-
 +
| Air targets || 4 || 4 || 4 || 4 || 4 || 4
 +
|-
 +
| Armoured targets || 63 || 60 || 48 || 36 || 27 || 20
 
|-
 
|-
 
|}
 
|}
 
{| class="wikitable sortable" style="text-align:center" width="100%"
 
{| class="wikitable sortable" style="text-align:center" width="100%"
−
! colspan="10" | Shell details
+
! colspan="10" | Belt details
 
|-
 
|-
−
! rowspan="2" data-sort-type="text" | Ammunition
+
! rowspan="2" data-sort-type="text" | Belt
 +
! rowspan="2" | Type of<br>warhead
 
! rowspan="2" | Velocity<br>(m/s)
 
! rowspan="2" | Velocity<br>(m/s)
 
! rowspan="2" | Projectile<br>Mass (kg)
 
! rowspan="2" | Projectile<br>Mass (kg)
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! rowspan="2" | Fuse sensitivity<br>(mm)
 
! rowspan="2" | Fuse sensitivity<br>(mm)
 
! rowspan="2" | Explosive Mass<br>(TNT equivalent) (g)
 
! rowspan="2" | Explosive Mass<br>(TNT equivalent) (g)
−
! rowspan="2" | Normalisation at 30°<br>from horizontal
 
 
! colspan="3" | Ricochet
 
! colspan="3" | Ricochet
 
|-
 
|-
 
! 0% !! 50% !! 100%
 
! 0% !! 50% !! 100%
 
|-
 
|-
−
| HEFI-T || 780 || 1.065 || 1.2 || 0.1 || 80.08 || 0.0° || 79° || 80° || 81°
+
| Air targets || HEFI-T || 780 || 1.07 || 1.2 || 0.1 || 80.08 || 79° || 80° || 81°
 +
|-
 +
| Armoured targets || AP-T || 820 || 0.86 || N/A || N/A || N/A || 47° || 60° || 65°
 
|-
 
|-
 
|}
 
|}
  
 
=== Comparison with analogues ===
 
=== Comparison with analogues ===
−
''Give a comparative description of cannons/machine guns that have firepower equal to this weapon.''
+
<!-- ''Give a comparative description of cannons/machine guns that have firepower equal to this weapon.'' -->
 +
 
 +
{| class="wikitable"
 +
! colspan="5" |Comparable autocannons to the '''NS-45'''
 +
|-
 +
!Name !! Year of Creation !! Rounds Per Minute !! Country of Origin !! Calibre
 +
|-
 +
| [[Ho-301 (40 mm)|Ho-301]] || 1939-1945 || 475 RPM || Japan || 40 mm
 +
|-
 +
| [[Vickers S (40 mm)|Vickers S]] || 1942 || 100 RPM || Great Britain || 40 mm
 +
|}
  
 
== Usage in battles ==
 
== 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.''
+
<!-- "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." -->
 +
Due to the NS-45 high inaccuracy after the second shot, it is recommended to use it like a sniper rifle; precisely aimed shots will demolish any smaller aircraft if hit centre mass. While it may be quite a task to use it against enemy fighters, if the user is accurate enough, the hits will mostly result in a complete destruction of the enemy fighters and because the cannon has limited ammo, the user will have to learn how to properly aim the cannon.
 +
 
 +
If the player does not trust the cannon to take down fighters, the other way of using it is for bomber hunting. Due to the NS-45 astonishing power, a single hit will incapacitate a bomber most of the time, either by ripping off their wing, tail or by lighting them on fire or rarely, a complete destruction of the bomber, it is highly useful for sniping bombers at higher altitudes. Because of the bombers being a very large target, and the NS-45 pretty decent velocity, it makes it rather easy to reliably kill bombers at the distances of up to 1.50 km.
  
 
=== Pros and cons ===
 
=== Pros and cons ===
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'''Pros:'''
 
'''Pros:'''
 +
 
* Decent velocity (takes some time to get used to)
 
* Decent velocity (takes some time to get used to)
 
* Almost always one shots or leaves critical hits
 
* Almost always one shots or leaves critical hits
 
* Quite accurate after the "New Cannon" upgrade is unlocked
 
* Quite accurate after the "New Cannon" upgrade is unlocked
 +
* Tracer and the bullet itself is bright and large, allowing for easier aim re-adjustment
  
 
'''Cons:'''
 
'''Cons:'''
−
* Hard to lead (Can get used to gun fairly fast)
+
 
 +
* Hard to lead
 
* No spray capability
 
* No spray capability
−
* No AP shells for mixed battles like that on the similar NS-37 on the Yak-9T
+
* No AP shells for mixed battles like that on the similar [[NS-37 (37 mm)|NS-37]] on the [[Yak-9T]]
 +
* Inferior in fire rate and accuracy compared to [[NS-37 (37 mm)|NS-37]]
  
 
== History ==
 
== History ==
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== External links ==
 
== External links ==
−
''Paste links to sources and external resources, such as:''
+
<!-- ''Paste links to sources and external resources, such as:''
 
* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
−
* ''encyclopedia page on the weapon;''
+
* ''other literature.'' -->
−
* ''other literature.''
+
 
 +
* [[wikipedia:Nudelman-Suranov_NS-45|[Wikipedia] Nudelman-Suranov NS-45]]
  
 
{{USSR aircraft cannons}}
 
{{USSR aircraft cannons}}
−
 
 
[[Category:Aircraft cannons]]
 
[[Category:Aircraft cannons]]

Revision as of 10:06, 4 June 2021

Description

The Nudelman-Suranov NS-45 (also known as NS-45 for short) is an extended and much larger version of the NS-37 aircraft autocannon. It was made for the Yak-9K (The "K" stands for "Krupnokalibernyi", which means "larger calibre") specifically, but it was proven to be unsatisfactory as the autocannon stressed the aircraft's airframe way too much to be viable and reliable. Only 44 Yak-9Ks were equipped with the NS-45, but a prototype night fighter version of the Tu-2 called the Tupolev Tu-1 carried two of these cannons under its nose, together with a pair of NS-23s on its wings. However, the Tu-1's Am-43V engines were not ready for production so only a prototype version of the aircraft was created.

Vehicles equipped with this weapon

General info

The NS-45 is a 45 mm autocannon chambered in the 45 x 186 mm shell. It is fed trough a belt of 29 rounds (sometimes 15 rounds) and its recoil operation is short action based. Its length was approximately 252 cm and its mass is 152 kg. It had a muzzle velocity of 780 m/s which is quite decent for an aircraft mounted autocannon, and the rate of fire of 260 to 280 shots a minute.

It had huge amounts of recoil, so much so that if the pilot was flying at lower speed, they could be violently shook back and forth. This high amounts of recoil also meant that the airframe would be under heavy stress. Numerous oil leaks and water leaks could be sprung after the autocannon was shot.

While it was very effective at taking down aircraft targets, it could not be aimed realistically past the first shot. This lead to the abandonment of mass producing the aircraft and the cannon.

Available ammunition

  • Default: HEFI-T · HEFI-T · AP-T
  • Air targets: HEFI-T
  • Armoured targets: AP-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 63 60 48 36 27 20
Air targets 4 4 4 4 4 4
Armoured targets 63 60 48 36 27 20
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%
Air targets HEFI-T 780 1.07 1.2 0.1 80.08 79° 80° 81°
Armoured targets AP-T 820 0.86 N/A N/A N/A 47° 60° 65°

Comparison with analogues

Comparable autocannons to the NS-45
Name Year of Creation Rounds Per Minute Country of Origin Calibre
Ho-301 1939-1945 475 RPM Japan 40 mm
Vickers S 1942 100 RPM Great Britain 40 mm

Usage in battles

Due to the NS-45 high inaccuracy after the second shot, it is recommended to use it like a sniper rifle; precisely aimed shots will demolish any smaller aircraft if hit centre mass. While it may be quite a task to use it against enemy fighters, if the user is accurate enough, the hits will mostly result in a complete destruction of the enemy fighters and because the cannon has limited ammo, the user will have to learn how to properly aim the cannon.

If the player does not trust the cannon to take down fighters, the other way of using it is for bomber hunting. Due to the NS-45 astonishing power, a single hit will incapacitate a bomber most of the time, either by ripping off their wing, tail or by lighting them on fire or rarely, a complete destruction of the bomber, it is highly useful for sniping bombers at higher altitudes. Because of the bombers being a very large target, and the NS-45 pretty decent velocity, it makes it rather easy to reliably kill bombers at the distances of up to 1.50 km.

Pros and cons

Pros:

  • Decent velocity (takes some time to get used to)
  • Almost always one shots or leaves critical hits
  • Quite accurate after the "New Cannon" upgrade is unlocked
  • Tracer and the bullet itself is bright and large, allowing for easier aim re-adjustment

Cons:

  • Hard to lead
  • No spray capability
  • No AP shells for mixed battles like that on the similar NS-37 on the Yak-9T
  • Inferior in fire rate and accuracy compared to NS-37

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

An excellent addition to the article would be a video guide, as well as 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


USSR aircraft cannons
20 mm  B-20E · B-20M · B-20S · ShVAK
23 mm  GSh-23L · NR-23 · NS-23 · NS-23K · PTB-23 · VYa-23
30 mm  2A42 · GSh-6-30 · GSh-30-1 · GSh-30-2 · GSh-30-2K · NR-30
37 mm  N-37 · N-37D · NS-37 · SH-37
45 mm  NS-45
  Foreign:
20 mm  Hispano Mk.II (Britain) · MG 151 (Germany)
37 mm  M4 (USA) · M10 (USA)

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