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Ruotsinsalmi-class minelayer
Photo: Unknown / Finnish Archives · Wikimedia Commons · Public domain
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Ruotsinsalmi-classminelayer

Mine Layers · Finland · 1941
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Ruotsinsalmi-classminelayer

Ruotsinsalmi-class minelayer
Ruotsinsalmi-class minelayer Photo: Unknown / Finnish Archives · Wikimedia Commons · Public domain
* Absolute score — assessed within category · no era adjustment
Mine Capacity
60
Laying Rate
55
Range
50
Concealment
70
Versatility
40
Reliability
85
Self-Defence
30
Endurance
45
Technology
35
Cost-Effectiveness
80
Origin Finland
CategoryMine Layers
EraWorld War II
In service1941–1941
Operators1 countries
Quantity2
Data Quality84%
MASS(Military Archive Scoring System)
56
Mine Layers MASS Rating
1/9
World War II
8/37
All-Time
Mine Layers · 10 axes scored
Mine Capacity
60
Laying Rate
55
Range
50
Concealment
70
Versatility
40
Reliability
85
Self-Defence
30
Endurance
45
Technology
35
Cost-Effectiveness
80
ⓘ Regardless of era, the same scoring system applies to all units in the mine layers category.
01 / Overview
Ruotsinsalmi-class minelayer
Category
Country
Production
1941–1941
Quantity
2
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MINE LAYERS · WORLD WAR II
1
PERFORMANCE/PRICE
76
UNIT COST (2025 USD)
—
56
mine layers category
ⓘ Performance/Price and MASS score are computed across all units in the mine layers category, regardless of era.
02 / Specs & Design
◎Identification7MOD.7
  • Hull Classificationminelayer
  • Ship Typeminelayer
  • BuilderCrichton-Vulcan, Turku
  • Commissioned1941
  • Ships in Class2
  • Roleminelaying and coastal defence
  • In ServiceYes
◈Displacement & Dimensions5MOD.5
  • Light Displacement270 t
  • Full Load Displacement310 t
  • Length50 m
  • Beam7.9 m
  • Draft2.5 m
▣Propulsion3MOD.3
  • Propulsion Typediesel
  • Top Speed28 kn
  • Complement (crew)60
◇Self-Defense4MOD.4
◆Fleet Status3MOD.3
  • Completed2
  • Lost1
  • Retired1
▤Armour1MOD.1
  • Armournone
03 / History
SERVICE LIFESPANStill in Service
  1. 1941Production started
85
years in service
0
years in production
2
units produced
1
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries1country
📚 Sources
📖 ENCYCLOPEDIA Browse the Mine Layers entry →