Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the torpedoes category.
01 / Overview
21" Mark IV
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TORPEDOES · PRE-WWI / INDUSTRIAL AGE
20
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 Typeheavyweight torpedo
- Service Entry Year1866
- Weight136 kg
- Length3.35 m
- Diameter356 mm
- In ServiceYes
◈Guidance & Homing5MOD.5
- GuidedNo
- Guidance Typestraight-running
- Wire-GuidedNo
- Wake-HomingNo
- Acoustic HomingNo
▣Performance4MOD.4
- Propulsion Typecompressed air (Whitehead), later wet-heater
- Top Speed10 kn
- Range640 km
- Operating Depth15 m
◇Warhead6MOD.6
- Warhead Typecontact
- Warhead Weight82 kg
- Explosive Filler64 kg
- Fuze Typecontact
- Nuclear-CapableNo
- Lethal Radius10 m
◆Platform5MOD.5
- Launch PlatformShip / Surface
- Submarine-LaunchedNo
- Ship-LaunchedYes
- Air-LaunchedNo
- Launch Tube Diameter356 mm
▤Warhead Detail2MOD.2
- Detonation Mechanism / Fuzecontact
- Explosive Filler Typegunpowder (early), later TNT
03 / History
SERVICE LIFESPANRetired
- 1866Production started
160
years in service
0
countries operating
ⓘ 5 countries retired it.
04 / Operators
Operator Countries5country
05 / MASS Score
TORPEDOES RANKING Torpedoes · Pre-WWI / Industrial Age
MASS RANKINGSMASS ↗
116TORPEDOES20PRE-WWI / INDUSTRIAL AGE · TORPEDOES1129UNITED KINGDOM · ALL WEAPONS27PERFORMANCE/PRICE · TORPEDOES
ⓘ Rankings are within theTorpedoescategory.
📖 TERMS ON THIS PAGE2terms
Surface ship from which a torpedo is launched, typically a destroyer, cruiser, or dedicated torpedo boat.
Ship-launched: a torpedo designed to be deployed from surface warships using onboard launch tubes or deck-mounted launchers.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources