Data Quality85%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the torpedoes category.
01 / Overview
Type 91 torpedo
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TORPEDOES · INTERWAR PERIOD
8
PERFORMANCE/PRICE
78
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the torpedoes category, regardless of era.
02 / Specs & Design
◎General6MOD.6
- Weapon TypeAerial torpedo
- Service Entry Year1931
- Weight848 kg
- Length5.27 m
- Diameter450 mm
- In ServiceYes
◈Guidance & Homing1MOD.1
- Guidance TypeGyrocompass‑guided vertical‑rudder control system
▣Performance3MOD.3
- Propulsion TypeWet‑heater type, 8‑cylinder radial engine
- Top Speed42 kn
- Range2 km
◇Warhead2MOD.2
- Warhead TypeHigh explosive
- Warhead Weight323.6 kg
◆Platform3MOD.3
- Launch PlatformAircraft
- Air-LaunchedYes
- Launch Tube Diameter450 mm
▤Production1MOD.1
- Operators1
⬢Warhead Detail2MOD.2
- Explosive Filler Weight323.6 kg
- Explosive Filler TypeHigh explosive
03 / History
SERVICE LIFESPANRetired
- 1931Production started
- 1939First deployment: World War II
- 1945Production ended
95
years in service
14
years in production
0
countries operating
ⓘ 1 countries retired it.
05 / MASS Score
TORPEDOES RANKING Torpedoes · Interwar Period
MASS RANKINGSMASS ↗
ⓘ Rankings are within theTorpedoescategory.
📖 TERMS ON THIS PAGE2terms
Capability of launching an anti-tank guided missile from an airborne platform, such as a helicopter or aircraft.
A powered, heavier-than-air vehicle capable of controlled flight, used for military operations including launching torpedoes.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources