Data Quality87%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the naval guns category.
01 / Overview
340mm/45 Modèle 1912 gun
Category
Country
Prime contractor
Production
1915–1921
Quantity
1,912
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
NAVAL GUNS · WORLD WAR I
23
PERFORMANCE/PRICE
68
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the naval guns category, regardless of era.
02 / Specs & Design
◎General6MOD.6
- Weapon TypeNaval gun
- Service Entry Year1915
- Weight66,000 kg
- Length15.4 m
- Diameter340 mm
- In ServiceYes
◈Guidance & Homing5MOD.5
- GuidedNo
- Guidance Typeunguided
- Wire-GuidedNo
- Wake-HomingNo
- Acoustic HomingNo
▣Performance4MOD.4
- Propulsion Typenone
- Range25 km
- Maximum Range (gun)38.7 km
- Rate of Fire (gun)2
◇Warhead3MOD.3
- Warhead TypeHE
- Fuze Typecontact
- Nuclear-CapableNo
◆Platform4MOD.4
- Launch PlatformShip / Surface
- Submarine-LaunchedNo
- Ship-LaunchedYes
- Air-LaunchedNo
▤Warhead Detail2MOD.2
- Detonation Mechanism / Fuzepercussion
- Explosive Filler Typebagged charge
03 / History
SERVICE LIFESPANRetired
- 1914First deployment: World War I
- 1915Production started
- 1921Production ended
111
years in service
6
years in production
1,912
units produced
0
countries operating
ⓘ 2 countries retired it.
05 / MASS Score
NAVAL GUNS RANKING Naval Guns · World War I
MASS RANKINGSMASS ↗
ⓘ Rankings are within theNaval Gunscategory.
📖 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