Difference between revisions of "152/53 mm O.T.O. Mod.1929 (152 mm)"

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[[File:152-53 mm O.T.O. Mod.1929.jpg|thumb|x250px|[[152/53 mm O.T.O. Mod.1929 (152 mm)|152/53 mm O.T.O. Mod.1929]] turrets number 1 and 2 on the [[RN Raimondo Montecuccoli]]]]
 
== 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.''
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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 '''152/53 mm O.T.O. Mod.1929''' is an Italian naval cannon.
  
 
=== 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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<!-- ''Tell us about the tactical and technical characteristics of the cannon or machine gun.'' -->
 +
The gun comes in two distinct turret designs, both twin-mount, with the earlier design having enough protection to deflect shells from the 4-inch guns at 5,000 m, while the later design increases that protection up to 5-inch, or 127 mm guns at 5,000 m, which is sufficient to deflect a direct hit into the turret face form nearly every destroyer and most of cruisers in a real combat situations.
 +
{| class="wikitable sortable" width="70%"
 +
! rowspan="2" data-sort-type="text" | Ship
 +
! colspan="2" | Front
 +
! colspan="2" | Sides
 +
! colspan="2" | Top
 +
! colspan="2" | Elevator
 +
|-
 +
! Thickness (mm) !! type !! (mm) !! type !! (mm) !! type !! (mm) !! type
 +
|-
 +
| [[RN Raimondo Montecuccoli]] || 70 || {{Annotation|RHA|Rolled homogeneous armour}} || 22 || RHA || 30 || RHA || 50-30 || RHA
 +
|-
 +
| [[RN Eugenio di Savoia]], [[Kerch (cruiser)|Kerch]] || 90 || RHA || 30 || RHA || 30 || RHA || 70-50 || RHA
 +
|-
 +
|}
  
 
=== 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).''
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<!-- ''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).'' -->
 +
 
 +
{{:{{PAGENAME}}/Ammunition|152 mm HE Dirompente, 152 mm HE-TF Contro-aerea, 152 mm APHEBC Palla}}
  
 
=== Comparison with analogues ===
 
=== Comparison with analogues ===
−
''Give a comparative description of cannons/machine guns that have firepower equal to this weapon.''
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<!-- ''Give a comparative description of cannons/machine guns that have firepower equal to this weapon.'' -->
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The primary distinguishing feature of the shells utilized by the OTO's 152/53 mm is their notably small explosive content. This attribute, in combination with an average rate of fire, results in a comparatively lowest potential damage output per minute when compared to similar munitions. {{Annotation|HE|High-explosive}} shells contain an explosive filler that is smaller in size than many {{Annotation|SAP|Semi-armour-piercing}} shells, yet they lack the penetrating power of the latter. Conversely, the {{Annotation|APHEBC|Armor-piercing high explosive with ballistic cap}} shells, despite having the smallest explosive component of any comparable armor-penetrating munition, has only average penetration, making it an overall subpar performer.
 +
 
 +
The gun possesses two noteworthy advantages. First, its muzzle velocity is among the highest among peers, which, in combination with an above-average rate of fire, makes it relatively straightforward to engage enemy vessels at a distance.
 +
 
 +
==== HE ====
 +
{| class="wikitable sortable" style="text-align:center" width="100%"
 +
|-
 +
! colspan="2" rowspan="2" |Cannon
 +
! rowspan="2" |{{Annotation|Sample Ship|Targeting speed and Sustained rate of fire depend on a specific mount, therefore a representative ship is taken as a sample}}
 +
! rowspan="2" |Ammo
 +
! rowspan="2" |Calibre<br>(mm)
 +
! rowspan="2" |Muzzle Velocity<br>(m/s)
 +
! rowspan="2" |Sustained rate of fire<br>(rounds/min)
 +
! colspan="2" |Targeting speed<br>(°/s)
 +
! rowspan="2" |TNT Equivalent<br>(kg)
 +
! colspan="2" |Penetration<br>@ 0° Angle of Attack (mm)
 +
|-
 +
!Horizontal!!Vertical!!5,000 m!!10,000 m
 +
|-
 +
| [[File:Kingdom Italy flag.png|link=|25x25px]]
 +
| '''152/53 mm O.T.O. Mod.1929'''
 +
| [[RN Eugenio di Savoia]]
 +
| HE || 152 || 935 || 8 || 6 || 5 || 2.39 || 29 || 29
 +
|-
 +
|[[File:USA flag.png|link=|25x25px]]
 +
| [[6 inch/47 Mk.16 (152 mm)]]
 +
| [[USS Helena]]
 +
| HE || 152 || 812 || 10 || 4.2 || 8.5 || 5.88 || 49 || 49
 +
|-
 +
|[[File:USA flag.png|link=|25x25px]]
 +
| [[6 inch/53 Mk.12 (152 mm)]]
 +
| [[USS Trenton]]
 +
| HE || 152 || 914 || 6 || 5.1 || 4.2 || 5.88 || 49 || 49
 +
|-
 +
|[[File:Germany flag.png|link=|25x25px]]
 +
| [[150 mm/45 SK L/45 (150 mm)|150 mm/45 SK L/45]]
 +
| [[SMS Elbing]]
 +
| HE || 150 || 835 || 7 || 4.2 || 4.2 || 1.6 || 21 || 21
 +
|-
 +
|[[File:Germany flag.png|link=|25x25px]]
 +
| [[15 cm/48 KC/36 (150 mm)|15 cm/48 KC/36]]
 +
| [[Z32]]
 +
| HE || 150 || 835 || 7 || 8.5 || 6.8 || 3.91 || 37 || 37
 +
|-
 +
|[[File:Germany flag.png|link=|25x25px]]
 +
| [[15 cm/60 SK C/25 (150 mm)|15 cm/60 SK C/25]]
 +
| [[Nürnberg]]
 +
| HE || 150 || 960 || 12 || 6.8 || 5.1 || 3.91 || 37 || 37
 +
|-
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|[[File:USSR flag.png|link=|25x25px]]
 +
| [[152 mm/57 B-38 (152 mm)|152 mm/57 B-38]]
 +
| [[Chapayev]]
 +
| HE || 152 || 950 || 7.5 || 6.1 || 11 || 6 || 50 || 50
 +
|-
 +
|[[File:Britain flag.png|link=|25x25px]]
 +
| [[6 inch/50 BL Mark XXIII (152 mm)]]
 +
| [[HMS Arethusa]]
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| HE || 152 || 841 || 8 || 6 || 8.5 || 3.96 || 37 || 37
 +
|-
 +
|[[File:Japan flag.png|link=|25x25px]]
 +
| [[15 cm/50 Type 41 (152 mm)|15 cm/50 Type 41]]
 +
| [[IJN Agano]]
 +
|| HE || 152 || 850 || 6.2 || 10 || 6 || 3.17 || 35 || 35
 +
|-
 +
|}
 +
 
 +
==== SAP / AP ====
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{| class="wikitable sortable" style="text-align:center" width="100%"
 +
|-
 +
! colspan="2" rowspan="2" |Cannon
 +
! rowspan="2" |{{Annotation|Sample Ship|Targeting speed and Sustained rate of fire depend on a specific mount, therefore a representative ship is taken as a sample}}
 +
! rowspan="2" |Ammo
 +
! rowspan="2" |Calibre<br>(mm)
 +
! rowspan="2" |Muzzle Velocity<br>(m/s)
 +
! rowspan="2" |Sustained rate of fire<br>(rounds/min)
 +
! colspan="2" |Targeting speed<br>(°/s)
 +
! rowspan="2" |TNT Equivalent<br>(kg)
 +
! colspan="2" |Penetration<br>@ 0° Angle of Attack (mm)
 +
|-
 +
!Horizontal!!Vertical!!5,000 m!!10,000 m
 +
|-
 +
| [[File:Kingdom Italy flag.png|link=|25x25px]]
 +
| '''152/53 mm O.T.O. Mod.1929'''
 +
| [[RN Eugenio di Savoia]]
 +
| APHEBC || 152 || 900 || 8 || 6 || 5 || 0.8 || 168 || 95
 +
|-
 +
|[[File:USA flag.png|link=|25x25px]]
 +
| [[6 inch/47 Mk.16 (152 mm)]]
 +
| [[USS Helena]]
 +
| APCBC || 152 || 762 || 10 || 4.2 || 8.5 || 0.9 || 182 || 120
 +
|-
 +
|[[File:USA flag.png|link=|25x25px]]
 +
| [[6 inch/53 Mk.12 (152 mm)]]
 +
| [[USS Trenton]]
 +
| SP Common || 152 || 914 || 6 || 5.1 || 4.2 || 0.977 || 138 || 85
 +
|-
 +
|[[File:Germany flag.png|link=|25x25px]]
 +
| [[150 mm/45 SK L/45 (150 mm)|150 mm/45 SK L/45]]
 +
| [[SMS Elbing]]
 +
| SAPBC || 150 || 835 || 7 || 4.2 || 4.2 || 1.05 || 61 || 37
 +
|-
 +
|[[File:Germany flag.png|link=|25x25px]]
 +
| [[150 mm/45 SK L/45 (150 mm)|150 mm/45 SK L/45]]
 +
| [[SMS Elbing]]
 +
| APCBC || 150 || 835 || 7 || 4.2 || 4.2 || 0.99 || 153 || 93
 +
|-
 +
|[[File:Germany flag.png|link=|25x25px]]
 +
| [[15 cm/48 KC/36 (150 mm)|15 cm/48 KC/36]]
 +
| [[Z32]]
 +
| SAPBC || 150 || 835 || 7 || 8.5 || 6.8 || 3.32 || 74 || 45
 +
|-
 +
|[[File:Germany flag.png|link=|25x25px]]
 +
| [[15 cm/48 KC/36 (150 mm)|15 cm/48 KC/36]]
 +
| [[Z32]]
 +
| APCBC || 150 || 835 || 7 || 8.5 || 6.8 || 1.32 || 147 || 90
 +
|-
 +
|[[File:Germany flag.png|link=|25x25px]]
 +
| [[15 cm/60 SK C/25 (150 mm)|15 cm/60 SK C/25]]
 +
| [[Nürnberg]]
 +
| SAPBC || 150 || 835 || 12 || 6.8 || 5.1 || 3.32 || 74 || 45
 +
|-
 +
|[[File:Germany flag.png|link=|25x25px]]
 +
| [[15 cm/60 SK C/25 (150 mm)|15 cm/60 SK C/25]]
 +
| [[Nürnberg]]
 +
| APCBC || 150 || 960 || 12 || 6.8 || 5.1 || 1.32 || 182 || 109
 +
|-
 +
|[[File:USSR flag.png|link=|25x25px]]
 +
| [[152 mm/57 B-38 (152 mm)|152 mm/57 B-38]]
 +
| [[Chapayev]]
 +
| SAPBC || 152 || 950 || 7.5 || 6.1 || 11 || 5.9 || 117 || 74
 +
|-
 +
|[[File:USSR flag.png|link=|25x25px]]
 +
| [[152 mm/57 B-38 (152 mm)|152 mm/57 B-38]]
 +
| [[Chapayev]]
 +
| APCBC || 152 || 950 || 7.5 || 6.1 || 11 || 1.69 || 226 || 143
 +
|-
 +
|[[File:Britain flag.png|link=|25x25px]]
 +
| [[6 inch/50 BL Mark XXIII (152 mm)]]
 +
| [[HMS Arethusa]]
 +
| SAPBC || 152 || 841 || 8 || 6 || 8.5 || 1.7 || 137 || 90
 +
|-
 +
|[[File:Japan flag.png|link=|25x25px]]
 +
| [[15 cm/50 Type 41 (152 mm)|15 cm/50 Type 41]]
 +
| [[IJN Agano]]
 +
|| SAP || 152 || 850 || 6.2 || 10 || 6 || 2.92 || 52 || 34
 +
|-
 +
|}
  
 
== 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.'' -->
 +
As the primary armaments on a number of Italian cruisers, these guns are primarily employed in direct naval combat against other vessels. Although high-explosive shells lack the killing potential, they can still be employed to disable critical components, such as main guns or torpedo launchers. However, the key potential of these guns is unlocked with the armor-piercing shells. Despite their relatively modest penetration and explosive charge, these shells can still be effective due to the guns' above-average rate of fire, which makes it easier to destroy [[ammo racks|ammunition storage]] on enemy vessels.
  
 
=== Pros and cons ===
 
=== Pros and cons ===
−
''Summarise and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.''
+
<!-- ''Summarise and briefly evaluate the weaponry in terms of its characteristics and combat effectiveness. Mark pros and cons as a list.'' -->
  
 
'''Pros:'''
 
'''Pros:'''
−
 
+
* High muzzle velocity
−
*
+
* Above-average rate of fire
 +
* Well-armored turrets
  
 
'''Cons:'''
 
'''Cons:'''
−
 
+
* Very small explosive filler of the HE shells
−
*
+
* Only an average penetration of the AP shells despite of having an the smallest explosive filler among its peers
 +
* Lack of {{Annotation|HE-VT|High-explosive variable time fuse}} shells
  
 
== History ==
 
== History ==
−
The '''152 mm /53 Model 1926–1929''' were built for the Italian Navy in the years before World War II. These guns were used on all Condottieri-class light cruisers except the Duca degli Abruzzi-class.
+
<!-- ''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>.'' -->
−
 
+
152/53 mm O.T.O. Model 1929 was developed for use on the 2nd, 3rd and 4th generations of the [[Condottieri-class]] cruisers. The guns were considered advanced for their time, utilizing electrically powered training, elevation, hoists, and rammers along with the common cradle for the two guns in the turret. This allowed the guns to achieve an low weight and exceptional rate of fire compared to other 152 mm guns of the time.
−
The Model 1926 was designed and manufactured by Ansaldo, while the Model 1929 was manufactured by OTO Melara. Although both models of gun were similar in construction, components from each manufacturer were not fully interchangeable.
 
−
 
 
−
{| class="wikitable"
 
−
!Commonalities:
 
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!Differences:
 
−
|-
 
−
|
 
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* A tube
 
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|
 
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* Thickness of liner
 
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|-
 
−
|
 
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* Jacket
 
−
|
 
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* Size of breech ring
 
−
|-
 
−
|
 
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* Loose liner
 
−
|
 
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* Length of jacket
 
−
|-
 
−
|
 
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* Horizontal sliding breech block
 
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|
 
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|}
 
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The gun mounts had electrically powered training, elevation, hoists, rammers and the guns shared a common cradle. Improvements in ammunition handling meant that the rate of fire for the Model 1929 was nearly twice as fast as the Model 1926. Loading was at +20° for the Model 1926, while the model 1929 could be loaded at any angle up to 45°. These guns suffered from dispersion problems so the original muzzle velocity of 1,000 metres per second (3,300 ft/s) was reduced to 850 metres per second (2,800 ft/s) with AP shells. Shell weight was also reduced from 50 kilograms (110 lb) to 47.5 kilograms (105 lb) in an attempt to resolve these problems, but were only partially successful. The main reason for the dispersion problem was because the guns were mounted too close together on a common cradle, which also complicated loading of the guns.
 
−
 
 
−
== Naval Service ==
 
−
The majority of the ''Condottieri-classes'' had two superfiring twin-mount turrets forward and aft, except for the ''Duca degli Abruzzi-class'' which had different model guns and had two twin-turrets replaced with two triple-turrets. The Giussano-class carried Model 1926 guns, while the ''Cadorna-class'', ''Montecuccoli-class'' and ''Duca d'Aosta-class'' carried Model 1929 guns. The mountings for the ''Giussano-class'' and ''Cadorna-class'' were found to be too lightly built for the recoil forces created by these guns.
 
  
−
== Ammunition[edit] ==
+
However, the guns faced several issues during service, most notably a significant [[wikipedia:Circular error probable|circular error probable]] attributed to factors such as the low mass of the guns, ejecta from both barrels interfering with each other, and variations in the mass of the shells and propellants used. Various modifications were implemented to reduce these issues, but they were only fully resolved with the introduction of the [[152/55 mm Ansaldo Mod.1934 (152 mm)|152/55 mm]] in 1934.
−
Ammunition was of quick fire separate loading type. The AP projectile was 63 centimetres (2.07 ft) long with a cartridge case and a bagged charge which weighed 21.43 kilograms (47.2 lb).
 
  
−
The gun was able to fire:
+
Guns used following ammunition:
 +
* 55 kg Armor-Piercing shells fired at 975 m/s up to 28,400 meters at 45°
 +
* 47.5 kg Armor-Piercing shells fired at 850 m/s up to 22,600 meters - these were introduced to reduce the dispersion of the guns
 +
* 44.3 kg High-Explosive shells fired at 935 m/s up to 24,600 meters
  
−
* Armor Piercing (early) - 50 kg (110 lb)
+
Currently, the only surviving 152/53 mm O.T.O. Mod. 1929 can be found at the ''Città della Domenica'' nature and amusement park near the city of Perugia in central Italy.
−
* Armor Piercing (late) - 47.5 kg (105 lb)
 
−
* High Explosive - 44.3 kg (98 lb)
 
  
 
== Media ==
 
== Media ==
−
[[File:Twin mount of Montecuccoli.jpg|thumb]]
+
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
  
 
== See also ==
 
== See also ==
−
Visit:
+
<!-- ''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;''
−
* [[:Category:Naval cannons|Naval Canons]]
+
* ''references to approximate analogues by other nations and research trees.'' -->
−
 
+
* [[152/53 mm Ansaldo mod.1926 (152 mm)]]
−
Cruisers equipped with this gun:
+
* [[152 mm/45 Schneider model 1911 (152 mm)]]
−
 
 
−
* [[RN Eugenio di Savoia|RN Eugenio di Savoia, 1943]]
 
−
* [[RN Raimondo Montecuccoli]]
 
  
 
== External links ==
 
== External links ==
−
In-depth history of said gun:
+
<!-- ''Paste links to sources and external resources, such as:''
−
 
+
* ''topic on the official game forum;''
−
* [[wikipedia:152_mm/53_Italian_naval_gun_Models_1926_and_1929|152 mm/53 Italian naval gun Models 1926 and 1929]]
+
* ''other literature.'' -->
 +
* [[wikipedia:152 mm/53 Italian naval gun Models 1926 and 1929|[Wikipedia] 152 mm/53 Italian naval gun Models 1926 and 1929]]
 +
* [http://www.navweaps.com/Weapons/WNIT_6-53_m1926.php <nowiki>[NavWeaps]</nowiki> 152 mm/53 (6") Models 1926 and 1929]
  
 +
{{Italy naval cannons}}
 
{{USSR naval cannons}}
 
{{USSR naval cannons}}
−
{{Italy naval cannons}}
 
  
 
[[Category:Naval cannons]]
 
[[Category:Naval cannons]]

Latest revision as of 10:14, 23 August 2024

Introducing Wiki 3.0
152/53 mm O.T.O. Mod.1929 turrets number 1 and 2 on the RN Raimondo Montecuccoli

Description

The 152/53 mm O.T.O. Mod.1929 is an Italian naval cannon.

Vehicles equipped with this weapon

General info

The gun comes in two distinct turret designs, both twin-mount, with the earlier design having enough protection to deflect shells from the 4-inch guns at 5,000 m, while the later design increases that protection up to 5-inch, or 127 mm guns at 5,000 m, which is sufficient to deflect a direct hit into the turret face form nearly every destroyer and most of cruisers in a real combat situations.

Ship Front Sides Top Elevator
Thickness (mm) type (mm) type (mm) type (mm) type
RN Raimondo Montecuccoli 70 RHA 22 RHA 30 RHA 50-30 RHA
RN Eugenio di Savoia, Kerch 90 RHA 30 RHA 30 RHA 70-50 RHA

Available ammunition

Penetration statistics
Ammunition Type of
warhead 		Penetration @ 0° Angle of Attack (mm)
1,000 m 2,500 m 5,000 m 7,500 m 10,000 m 15,000 m
HE Dirompente HE 29 29 29 29 29 29
HE-TF Contro-aerea HE-TF 29 29 29 29 29 29
APHEBC Palla APHEBC 277 229 168 125 95 70
Shell details
Ammunition Type of
warhead 		Velocity
(m/s) 		Projectile
mass (kg) 		Fuse delay
(s) 		Fuse sensitivity
(mm) 		Explosive mass
(TNT equivalent) (g) 		Ricochet
0% 50% 100%
HE Dirompente HE 935 44.57 0 0.1 2,390 79° 80° 81°
HE-TF Contro-aerea HE-TF 935 44.57 0 0.1 2,390 79° 80° 81°
APHEBC Palla APHEBC 900 47.5 0.03 7 800 48° 63° 71°

Comparison with analogues

The primary distinguishing feature of the shells utilized by the OTO's 152/53 mm is their notably small explosive content. This attribute, in combination with an average rate of fire, results in a comparatively lowest potential damage output per minute when compared to similar munitions. HE shells contain an explosive filler that is smaller in size than many SAP shells, yet they lack the penetrating power of the latter. Conversely, the APHEBC shells, despite having the smallest explosive component of any comparable armor-penetrating munition, has only average penetration, making it an overall subpar performer.

The gun possesses two noteworthy advantages. First, its muzzle velocity is among the highest among peers, which, in combination with an above-average rate of fire, makes it relatively straightforward to engage enemy vessels at a distance.

HE

Cannon Sample Ship Ammo Calibre
(mm) 		Muzzle Velocity
(m/s) 		Sustained rate of fire
(rounds/min) 		Targeting speed
(°/s) 		TNT Equivalent
(kg) 		Penetration
@ 0° Angle of Attack (mm)
Horizontal Vertical 5,000 m 10,000 m
Kingdom Italy flag.png 152/53 mm O.T.O. Mod.1929 RN Eugenio di Savoia HE 152 935 8 6 5 2.39 29 29
USA flag.png 6 inch/47 Mk.16 (152 mm) USS Helena HE 152 812 10 4.2 8.5 5.88 49 49
USA flag.png 6 inch/53 Mk.12 (152 mm) USS Trenton HE 152 914 6 5.1 4.2 5.88 49 49
Germany flag.png 150 mm/45 SK L/45 SMS Elbing HE 150 835 7 4.2 4.2 1.6 21 21
Germany flag.png 15 cm/48 KC/36 Z32 HE 150 835 7 8.5 6.8 3.91 37 37
Germany flag.png 15 cm/60 SK C/25 Nürnberg HE 150 960 12 6.8 5.1 3.91 37 37
USSR flag.png 152 mm/57 B-38 Chapayev HE 152 950 7.5 6.1 11 6 50 50
Britain flag.png 6 inch/50 BL Mark XXIII (152 mm) HMS Arethusa HE 152 841 8 6 8.5 3.96 37 37
Japan flag.png 15 cm/50 Type 41 IJN Agano HE 152 850 6.2 10 6 3.17 35 35

SAP / AP

Cannon Sample Ship Ammo Calibre
(mm) 		Muzzle Velocity
(m/s) 		Sustained rate of fire
(rounds/min) 		Targeting speed
(°/s) 		TNT Equivalent
(kg) 		Penetration
@ 0° Angle of Attack (mm)
Horizontal Vertical 5,000 m 10,000 m
Kingdom Italy flag.png 152/53 mm O.T.O. Mod.1929 RN Eugenio di Savoia APHEBC 152 900 8 6 5 0.8 168 95
USA flag.png 6 inch/47 Mk.16 (152 mm) USS Helena APCBC 152 762 10 4.2 8.5 0.9 182 120
USA flag.png 6 inch/53 Mk.12 (152 mm) USS Trenton SP Common 152 914 6 5.1 4.2 0.977 138 85
Germany flag.png 150 mm/45 SK L/45 SMS Elbing SAPBC 150 835 7 4.2 4.2 1.05 61 37
Germany flag.png 150 mm/45 SK L/45 SMS Elbing APCBC 150 835 7 4.2 4.2 0.99 153 93
Germany flag.png 15 cm/48 KC/36 Z32 SAPBC 150 835 7 8.5 6.8 3.32 74 45
Germany flag.png 15 cm/48 KC/36 Z32 APCBC 150 835 7 8.5 6.8 1.32 147 90
Germany flag.png 15 cm/60 SK C/25 Nürnberg SAPBC 150 835 12 6.8 5.1 3.32 74 45
Germany flag.png 15 cm/60 SK C/25 Nürnberg APCBC 150 960 12 6.8 5.1 1.32 182 109
USSR flag.png 152 mm/57 B-38 Chapayev SAPBC 152 950 7.5 6.1 11 5.9 117 74
USSR flag.png 152 mm/57 B-38 Chapayev APCBC 152 950 7.5 6.1 11 1.69 226 143
Britain flag.png 6 inch/50 BL Mark XXIII (152 mm) HMS Arethusa SAPBC 152 841 8 6 8.5 1.7 137 90
Japan flag.png 15 cm/50 Type 41 IJN Agano SAP 152 850 6.2 10 6 2.92 52 34

Usage in battles

As the primary armaments on a number of Italian cruisers, these guns are primarily employed in direct naval combat against other vessels. Although high-explosive shells lack the killing potential, they can still be employed to disable critical components, such as main guns or torpedo launchers. However, the key potential of these guns is unlocked with the armor-piercing shells. Despite their relatively modest penetration and explosive charge, these shells can still be effective due to the guns' above-average rate of fire, which makes it easier to destroy ammunition storage on enemy vessels.

Pros and cons

Pros:

  • High muzzle velocity
  • Above-average rate of fire
  • Well-armored turrets

Cons:

  • Very small explosive filler of the HE shells
  • Only an average penetration of the AP shells despite of having an the smallest explosive filler among its peers
  • Lack of HE-VT shells

History

152/53 mm O.T.O. Model 1929 was developed for use on the 2nd, 3rd and 4th generations of the Condottieri-class cruisers. The guns were considered advanced for their time, utilizing electrically powered training, elevation, hoists, and rammers along with the common cradle for the two guns in the turret. This allowed the guns to achieve an low weight and exceptional rate of fire compared to other 152 mm guns of the time.

However, the guns faced several issues during service, most notably a significant circular error probable attributed to factors such as the low mass of the guns, ejecta from both barrels interfering with each other, and variations in the mass of the shells and propellants used. Various modifications were implemented to reduce these issues, but they were only fully resolved with the introduction of the 152/55 mm in 1934.

Guns used following ammunition:

  • 55 kg Armor-Piercing shells fired at 975 m/s up to 28,400 meters at 45°
  • 47.5 kg Armor-Piercing shells fired at 850 m/s up to 22,600 meters - these were introduced to reduce the dispersion of the guns
  • 44.3 kg High-Explosive shells fired at 935 m/s up to 24,600 meters

Currently, the only surviving 152/53 mm O.T.O. Mod. 1929 can be found at the Città della Domenica nature and amusement park near the city of Perugia in central Italy.

Media

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

See also

External links


Italy naval cannons
20 mm  20 mm/65 Breda · 20 mm/70 Oerlikon 3S · 20 mm/70 Scotti-Isotta Fraschini mod.1939
37 mm  37 mm/54 Breda Mod.32 · 37 mm/54 Breda Mod.38 · 37 mm/54 Breda Mod.39
40 mm  40 mm/39 Vickers-Terni mod.1915/1917 · 40 mm/39 Vickers-Terni mod.1915/1917, Modif.1930 · 40 mm/70 Breda-Bofors type 107
65 mm  65 mm/64 Ansaldo-Terni Mod.1939
76 mm  76 mm/40 Armstrong mod.1897/1910 · 76 mm/40 Armstrong mod.1897/1912 · 76 mm/40 Ansaldo mod.1917 · 76 mm/45 Schneider mod.1911 · 76 mm/50 Vickers mod.1909 · 76 mm/62 OTO-Melara Compact · 76-mm/62 SMP 3
90 mm  90 mm/50 Ansaldo model 1939
100 mm  100 mm/47 O.T.O. Mod. 1928 · 100 mm/47 O.T.O. Mod. 1937
120 mm  120 mm/45 Canet-Schneider-Armstrong mod.1918-19 · 120 mm/50 Armstrong model 1909 · 120 mm/45 O.T.O. Mod. 1926 · 120 mm/50 Ansaldo mod.1926 · 120 mm/50 O.T.O. Mod.1936
135 mm  135 mm/45 O.T.O. Mod. 1937
152 mm  152 mm/45 Schneider mod.1911 · 152/53 mm Ansaldo mod.1926 · 152/53 mm O.T.O. Mod.1929
203 mm  203 mm/50 Ansaldo mod.1924 · 203 mm/53 Ansaldo mod.1927
305 mm  305 mm/46 Armstrong model 1909 · 305 mm/46 Vickers model 1909
320 mm  320 mm/44 OTO model 1934 · 320 mm/44 Ansaldo model 1936
  Foreign:
20 mm  2 cm/65 Flakvierling 38 (Germany) · 20 mm/70 Oerlikon Mk.II (USA)
40 mm  Bofors L/60 Mark 1 (USA) · Bofors L/60 Mark 3 (USA)
76 mm  76 mm/50 Mk.33 (USA)
127 mm  127 mm/38 Mk.12 (USA)

USSR naval cannons
20 mm  ShVAK
25 mm  2M-3
30 mm  AK-230 · 30 mm/54 AK-630 · 30 mm/54 AK-630M · BP "Plamya"
37 mm  37 mm/67 70-K · V-11
45 mm  45 mm/46 21-K · 45 mm/68 21-KM · 45 mm/89 SM-20-ZIF · 45 mm/89 SM-21-ZIF
57 mm  AK-725
75 mm  75 mm/50 Canet patt.1892
76 mm  34-K · 39-K · 76 mm/60 AK-176M · AK-726 · D-56TS · F-34 · Lender AA gun, pattern 1914/15
85 mm  85 mm/52 92-K · 85 mm/54.6 ZIS-C-53 · 90-K
100 mm  100 mm/56 B-34 · 100 mm/70 SM-5-1 · Minizini
102 mm  Pattern 1911
120 mm  120 mm/50 pattern 1905
130 mm  130 mm/55 pattern 1913 · 130 mm/58 SM-2-1 · B-13
152 mm  152 mm/57 B-38
180 mm  180 mm/57 B-1-P · 180 mm/60 B-1-K
305 mm  12-inch/52 pattern 1907 · 305 mm/54 B-50
356 mm  14-inch/52 pattern 1913 (356 mm)
  Foreign:
40 mm  2pdr QF Mk.IIc (Britain) · Skoda (Czechoslovakia)
47 mm  3 pdr QF Hotchkiss (Britain)
76 mm  76 mm/40 Ansaldo mod.1917 (Italy)
88 mm  SK C/30 (Germany)
120 mm  120 mm/50 Mk.4 Bofors M1924 (Sweden) · 120 mm/50 O.T.O. Mod.1933 (Italy)
152 mm  152/53 mm O.T.O. Mod.1929 (Italy)
320 mm  320 mm/44 Ansaldo model 1934 (Italy)

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