Data Quality84%
01 / Overview
Admiral Spiridov-class monitor
Category
Country
Prime contractor
Production
1869–1869
Quantity
2
Unit Price (current)
$7.1M↗ 2321% inflation · 1869→2025
Original Price
$294.4K (1869)
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MONITORS · PRE-WWI / INDUSTRIAL AGE
—
PERFORMANCE/PRICE
—
UNIT COST (2025 USD)
$7.1M
Original: $294.4K (1869)
Inflation: +%2321
ⓘ Performance/Price and MASS score are computed across all units in the monitors category, regardless of era.
02 / Specs & Design
◎Identification7MOD.7
- Hull ClassificationMonitor
- Ship TypeMonitor
- Builder / ShipyardSemiannikov & Poletika Shipyard
- Laid Down1866
- Commissioned1869
- Ships in Class2
- In ServiceYes
◈Displacement2MOD.2
- Light Displacement3,505 t
- Full Load Displacement3,587 t
▣Dimensions4MOD.4
- Length (overall)77.42 m
- Length (waterline)77.42 m
- Beam13.11 m
- Draft6.4 m
◇Complement1MOD.1
- Total Complement280
◆Propulsion9MOD.9
- PropulsionSteam Turbine
- Arrangement (CODAG/COGAG…)1 Shaft, 1 Horizontal direct-action steam engine, 4 rectangular fire-tube boilers
- Number of Engines1
- Shaft Power1,491 kW
- Shafts / Screws1
- Top Speed9.5 kn
- Cruise Speed10 kn
- Range1,400
- Nuclear-PoweredNo
▤Gun Armament4MOD.4
- Main Gun2 × twin 9-inch Rifled muzzle-loading guns
- Main Gun Calibre229 mm
- Main Gun Count4
- Secondary Guns12–15 naval mines
⬢Missile Armament3MOD.3
▲Underwater Warfare3MOD.3
◎Aviation3MOD.3
◈Sensors & Combat Systems3MOD.3
▣Survivability5MOD.5
- CBRN CitadelNo
- DegaussingNo
- Hull MaterialIron
- Stealth ShapingNo
- Automated Damage ControlNo
◇Cost1MOD.1
- Unit Cost294,375 USD
◆Fleet Status8MOD.8
- Completed2
- Active0
- Under Construction0
- Planned2
- Cancelled0
- Lost0
- Retired2
- Preserved0
▤Armour3MOD.3
- ArmourBelt: 3–7.5 in, Turrets: 6–6.5 in, Conning tower: 5 in, Deck: 1 in
- Belt Armour190.5 mm
- Deck Armour25.4 mm
03 / History
SERVICE LIFESPANRetired
- 1869Production started
157
years in service
0
years in production
2
units produced
0
countries operating
ⓘ The producing country no longer actively operates it. 1 countries retired it.
05 / MASS Score
Not enough weapon data to rank this category.
MASS RANKINGSMASS ↗
ⓘ Rankings are within theMonitorscategory.
📖 TERMS ON THIS PAGE1terms
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