Data Quality85%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the corvettes category.
01 / Overview
Osprey-class screw sloop
Category
Country
Prime contractor
Production
1874–1877
Quantity
5
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
CORVETTES · PRE-WWI / INDUSTRIAL AGE
19
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the corvettes category, regardless of era.
02 / Specs & Design
◎Identification8MOD.8
- Hull Classificationsloop
- Ship Typesloop-of-war
- Builder / ShipyardRobert Napier and Sons; Sheerness Dockyard; HMNB Devonport; Chatham Dockyard
- Laid Down1874
- Launched1876
- Commissioned1877
- Ships in Class5
- In ServiceYes
◈Displacement2MOD.2
- Light Displacement1,130 t
- Full Load Displacement1,148.08 t
▣Dimensions4MOD.4
- Length (overall)51.82 m
- Beam10.97 m
- Draft4.8 m
- Freeboard5.94 m
◇Complement1MOD.1
- Total Complement140
◆Propulsion9MOD.9
- PropulsionSteam Reciprocating
- Arrangement (CODAG/COGAG…)single shaft compound expansion steam engine with three cylindrical boilers
- Number of Engines1
- Shaft Power784 kW
- Shafts / Screws1
- Top Speed9 kn
- Cruise Speed10 kn
- Range1,480
- Nuclear-PoweredNo
▤Gun Armament4MOD.4
- Main Gun2 × 7-inch RML; later 2 × 6-inch BL
- Main Gun Calibre178 mm
- Main Gun Count2
- Secondary Guns4 × 6.3-inch RML 64-pounder; later 6 × 5-inch BL
⬢Missile Armament3MOD.3
▲Underwater Warfare4MOD.4
- Torpedo Tubes0
- ASW CapabilityNo
- Hull-Mounted SonarNo
- Towed Array SonarNo
◎Aviation5MOD.5
- Embarked Helicopters0
- HangarNo
- Flight DeckNo
- Fixed-Wing Aircraft0
- UAV CapabilityNo
◈Sensors & Combat Systems3MOD.3
▣Survivability5MOD.5
- CBRN CitadelNo
- DegaussingNo
- Hull Materialcomposite (wood over iron frame)
- Stealth ShapingNo
- Automated Damage ControlNo
◇Fleet Status8MOD.8
- Completed5
- Active0
- Under Construction0
- Planned5
- Cancelled0
- Lost0
- Retired5
- Preserved0
03 / History
SERVICE LIFESPANRetired
- 1874Production started
- 1877Production ended
152
years in service
3
years in production
5
units produced
0
countries operating
ⓘ 2 countries retired it.
05 / MASS Score
CORVETTES RANKING Corvettes · Pre-WWI / Industrial Age
MASS RANKINGSMASS ↗
130CORVETTES19PRE-WWI / INDUSTRIAL AGE · CORVETTES542UNITED KINGDOM · ALL WEAPONS47PERFORMANCE/PRICE · CORVETTES
ⓘ Rankings are within theCorvettescategory.
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📚 Sources