Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the cruisers category.
01 / Overview
Veinticinco de Mayo-class cruiser
Category
Country
Prime contractor
Production
1929–1931
Quantity
2
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
CRUISERS · INTERWAR PERIOD
45
PERFORMANCE/PRICE
34
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the cruisers category, regardless of era.
02 / Specs & Design
◎Identification7MOD.7
- Ship Typeheavy cruiser
- Builder / ShipyardOTO, Livorno
- Laid Down1929
- Launched1930
- Commissioned1931
- Ships in Class2
- In ServiceYes
◈Displacement2MOD.2
- Light Displacement6,800 t
- Full Load Displacement9,000 t
▣Dimensions3MOD.3
- Length (overall)171 m
- Beam17.82 m
- Draft4.66 m
◇Complement1MOD.1
- Total Complement780
◆Propulsion6MOD.6
- PropulsionSteam Turbine
- Arrangement (CODAG/COGAG…)2 shaft Parsons turbines, 6 oil-fired boilers
- Shaft Power63,384 kW
- Shafts / Screws2
- Top Speed32 kn
- Range8,030
▤Gun Armament5MOD.5
- Main Gun190 mm (7.5 inch)/52 caliber guns
- Main Gun Calibre190 mm
- Main Gun Count6
- Secondary Guns12 × 102 mm (4 inch)/45 caliber DP guns (6 × 2)
- CIWSVickers-Terni 40/39 mm AA guns
⬢Missile Armament3MOD.3
▲Underwater Warfare4MOD.4
- Torpedo Tubes6
- ASW CapabilityNo
- Hull-Mounted SonarNo
- Towed Array SonarNo
◎Aviation4MOD.4
- Embarked Helicopters0
- HangarNo
- Flight DeckYes
- Fixed-Wing Aircraft2
◈Sensors & Combat Systems3MOD.3
▣Survivability4MOD.4
◇Fleet Status3MOD.3
- Planned3
- Cancelled1
- Retired2
◆Armour3MOD.3
- Armour*70 mm (2.75 inch) inch belt *25 mm (1 inch) deck *50 mm (2 inch) gun turrets *60 mm (2.3 inch) conning tower
- Belt Armour70 mm
- Deck Armour25 mm
03 / History
SERVICE LIFESPANStill in Service
- 1929Production started
- 1931Production ended
97
years in service
2
years in production
2
units produced
1
countries operating
05 / MASS Score
CRUISERS RANKING Cruisers · Interwar Period
MASS RANKINGSMASS ↗
ⓘ Rankings are within theCruiserscategory.
📖 TERMS ON THIS PAGE3terms
Automated Damage Control is a shipboard system that detects, assesses, and mitigates combat damage on aircraft carriers using sensors and software to enhance response speed and reduce crew workload.
The upper deck of an aircraft carrier, equipped for aircraft takeoff, landing, and maintenance operations.
A mechanical device that converts steam pressure into rotational energy, used to drive shipboard generators or propulsion systems.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources