Difference between revisions of "152/53 mm O.T.O. Mod.1929 (152 mm)"
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! colspan="2" | Elevator | ! colspan="2" | Elevator | ||
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− | ! | + | ! Thickness (mm) !! type !! (mm) !! type !! (mm) !! type !! (mm) !! type |
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| [[RN Raimondo Montecuccoli]] || 70 || {{Annotation|RHA|Rolled homogeneous armour}} || 22 || RHA || 30 || RHA || 50-30 || RHA | | [[RN Raimondo Montecuccoli]] || 70 || {{Annotation|RHA|Rolled homogeneous armour}} || 22 || RHA || 30 || RHA || 50-30 || RHA | ||
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=== Comparison with analogues === | === Comparison with analogues === | ||
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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 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. | 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. | ||
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| [[15 cm/50 Type 41 (152 mm)|15 cm/50 Type 41]] | | [[15 cm/50 Type 41 (152 mm)|15 cm/50 Type 41]] | ||
| [[IJN Agano]] | | [[IJN Agano]] | ||
− | || HE || 152 || 850 || 6.2 || 10 || 6 || 3.17 || 35 || 35 | + | || HE || 152 || 850 || 6.2 || 10 || 6 || 3.17 || 35 || 35 |
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| [[15 cm/50 Type 41 (152 mm)|15 cm/50 Type 41]] | | [[15 cm/50 Type 41 (152 mm)|15 cm/50 Type 41]] | ||
| [[IJN Agano]] | | [[IJN Agano]] | ||
− | || SAP || 152 || 850 || 6.2 || 10 || 6 || 2.92 || 52 || 34 | + | || SAP || 152 || 850 || 6.2 || 10 || 6 || 2.92 || 52 || 34 |
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Latest revision as of 10:14, 23 August 2024
Contents
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 | ||||||||
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152/53 mm O.T.O. Mod.1929 | RN Eugenio di Savoia | HE | 152 | 935 | 8 | 6 | 5 | 2.39 | 29 | 29 |
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6 inch/47 Mk.16 (152 mm) | USS Helena | HE | 152 | 812 | 10 | 4.2 | 8.5 | 5.88 | 49 | 49 |
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6 inch/53 Mk.12 (152 mm) | USS Trenton | HE | 152 | 914 | 6 | 5.1 | 4.2 | 5.88 | 49 | 49 |
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150 mm/45 SK L/45 | SMS Elbing | HE | 150 | 835 | 7 | 4.2 | 4.2 | 1.6 | 21 | 21 |
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15 cm/48 KC/36 | Z32 | HE | 150 | 835 | 7 | 8.5 | 6.8 | 3.91 | 37 | 37 |
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15 cm/60 SK C/25 | Nürnberg | HE | 150 | 960 | 12 | 6.8 | 5.1 | 3.91 | 37 | 37 |
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152 mm/57 B-38 | Chapayev | HE | 152 | 950 | 7.5 | 6.1 | 11 | 6 | 50 | 50 |
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6 inch/50 BL Mark XXIII (152 mm) | HMS Arethusa | HE | 152 | 841 | 8 | 6 | 8.5 | 3.96 | 37 | 37 |
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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 | ||||||||
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152/53 mm O.T.O. Mod.1929 | RN Eugenio di Savoia | APHEBC | 152 | 900 | 8 | 6 | 5 | 0.8 | 168 | 95 |
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6 inch/47 Mk.16 (152 mm) | USS Helena | APCBC | 152 | 762 | 10 | 4.2 | 8.5 | 0.9 | 182 | 120 |
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6 inch/53 Mk.12 (152 mm) | USS Trenton | SP Common | 152 | 914 | 6 | 5.1 | 4.2 | 0.977 | 138 | 85 |
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150 mm/45 SK L/45 | SMS Elbing | SAPBC | 150 | 835 | 7 | 4.2 | 4.2 | 1.05 | 61 | 37 |
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150 mm/45 SK L/45 | SMS Elbing | APCBC | 150 | 835 | 7 | 4.2 | 4.2 | 0.99 | 153 | 93 |
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15 cm/48 KC/36 | Z32 | SAPBC | 150 | 835 | 7 | 8.5 | 6.8 | 3.32 | 74 | 45 |
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15 cm/48 KC/36 | Z32 | APCBC | 150 | 835 | 7 | 8.5 | 6.8 | 1.32 | 147 | 90 |
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15 cm/60 SK C/25 | Nürnberg | SAPBC | 150 | 835 | 12 | 6.8 | 5.1 | 3.32 | 74 | 45 |
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15 cm/60 SK C/25 | Nürnberg | APCBC | 150 | 960 | 12 | 6.8 | 5.1 | 1.32 | 182 | 109 |
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152 mm/57 B-38 | Chapayev | SAPBC | 152 | 950 | 7.5 | 6.1 | 11 | 5.9 | 117 | 74 |
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152 mm/57 B-38 | Chapayev | APCBC | 152 | 950 | 7.5 | 6.1 | 11 | 1.69 | 226 | 143 |
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6 inch/50 BL Mark XXIII (152 mm) | HMS Arethusa | SAPBC | 152 | 841 | 8 | 6 | 8.5 | 1.7 | 137 | 90 |
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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
- [Wikipedia] 152 mm/53 Italian naval gun Models 1926 and 1929
- [NavWeaps] 152 mm/53 (6") Models 1926 and 1929
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 |
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) |