Data Quality84%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the midget / coastal submarines category.
01 / Overview
Kōryū-class submarine
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MIDGET / COASTAL SUBMARINES · WORLD WAR II
6
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the midget / coastal submarines category, regardless of era.
02 / Specs & Design
◎Identification1MOD.1
- Submarine Typemidget
◈Displacement & Dimensions5MOD.5
- Surfaced Displacement76 t
- Submerged Displacement78 t
- Length24.8 m
- Beam2 m
- Draft2.5 m
▣Propulsion3MOD.3
- PropulsionDiesel-Electric
- Top Speed (surfaced)8.5 kn
- Top Speed (submerged)7 kn
◇Armament2MOD.2
- Torpedo Tubes2
- Torpedo Tube Diameter450 mm
03 / History
SERVICE LIFESPANStill in Service
- 1944Production started
- 1945Entered service
82
years in service
1
years in production
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
MIDGET / COASTAL SUBMARINES RANKING Midget / Coastal Submarines · World War II
MASS RANKINGSMASS ↗
19MIDGET / COASTAL SUBMARINES6WORLD WAR II · MIDGET / COASTAL SUBMARINES159JAPAN · ALL WEAPONS2PERFORMANCE/PRICE · MIDGET / COASTAL SUBMARINES
ⓘ Rankings are within theMidget / Coastal Submarinescategory.
📖 TERMS ON THIS PAGE1terms
Propulsion system combining diesel engines to generate electricity, which powers electric motors driving the vessel's propellers.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources