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Algerine-class gunboat
Photo: Unknown author · Wikimedia Commons · Public domain
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Algerine-classgunboat

Patrol Boats & Fast Attack Craft · United Kingdom · 1857
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Algerine-classgunboat

Algerine-class gunboat
Algerine-class gunboat Photo: Unknown author · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Speed
30
Firepower
40
Agility
45
Sensors
10
Range
50
Sea-Keeping
35
Affordability
80
Survivability
25
Versatility
50
Technology
20
Origin United Kingdom
CategoryPatrol Boats & Fast Attack Craft
EraPre-WWI / Industrial Age
In service1857–1857
Operators7 countries
Quantity8
Data Quality88%
36
Patrol Boats & Fast Attack Craft MASS Rating
31/114
Pre-WWI / Industrial Age
236/387
All-Time
Patrol Boats & Fast Attack Craft · 10 axes scored
Speed
30
Firepower
40
Agility
45
Sensors
10
Range
50
Sea-Keeping
35
Affordability
80
Survivability
25
Versatility
50
Technology
20
ⓘ Regardless of era, the same scoring system applies to all units in the patrol boats & fast attack craft category.
01 / Overview
Algerine-class gunboat
Production
1857–1857
Quantity
8
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
PATROL BOATS & FAST ATTACK CRAFT · PRE-WWI / INDUSTRIAL AGE
31
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
36
patrol boats & fast attack craft category
ⓘ Performance/Price and MASS score are computed across all units in the patrol boats & fast attack craft category, regardless of era.
02 / Specs & Design
◎Identification8MOD.8
  • Hull ClassificationWooden screw gunboat (gunvessels from 1859)
  • Ship Typegunboat
  • Builder / ShipyardR & H Green, Blackwall Yard; W. & H. Pitcher, Northfleet
  • Laid Down1856
  • Launched1857
  • Commissioned1857
  • Ships in Class6
  • In ServiceYes
◈Displacement3MOD.3
  • Light Displacement370 t
  • Standard Displacement370 t
  • Full Load Displacement370 t
▣Dimensions4MOD.4
  • Length (overall)38.1 m
  • Length (waterline)33.5 m
  • Beam7.01 m
  • Draft2.82 m
◇Propulsion7MOD.7
  • Propulsion Type* 2-cylinder horizontal direct-acting single-expansion steam engine * Single (hoisting) screw
  • Arrangement (CODAG/COGAG…)single screw
  • Number of Engines1
  • Shaft Power218 kW
  • Shafts / Screws1
  • Top Speed9 kn
  • Nuclear-PoweredNo
◆Gun Armament4MOD.4
  • Main Gun8-inch 68-pounder muzzle-loading smoothbore; later 110-pounder and 40-pounder Armstrong breech-loading guns
  • Main Gun Calibre203 mm
  • Main Gun Count1
  • Secondary Guns2 × 24-pounder howitzers
⬢Underwater Warfare4MOD.4
▲Aviation5MOD.5
◎Sensors & Combat Systems3MOD.3
◈Survivability5MOD.5
▣Fleet Status8MOD.8
  • Completed6
  • Active0
  • Under Construction0
  • Planned6
  • Cancelled0
  • Lost3
  • Retired3
  • Preserved0
03 / History
SERVICE LIFESPANRetired
  1. 1857Production started
169
years in service
0
years in production
8
units produced
0
countries operating
ⓘ 7 countries retired it.
04 / Operators
📚 Sources
📖 ENCYCLOPEDIA Browse the Patrol Boats & Fast Attack Craft entry →