Data Quality86%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the towed artillery & mortars category.
01 / Overview
BL 18 inch railway howitzer
Category
Country
Production
1920–1920
Quantity
5
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
TOWED ARTILLERY & MORTARS · INTERWAR PERIOD
22
PERFORMANCE/PRICE
30
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the towed artillery & mortars category, regardless of era.
02 / Specs & Design
◎General6MOD.6
- Service Entry Year1920
- Combat Weight85,700 kg
- Travel Weight250,000 kg
- Crew80
- Carriage TypeRailway Mounting
- In ServiceYes
◈Ordnance7MOD.7
- Calibre457 mm
- Barrel Length (calibres)34.7
- Ordnance TypeBL 18-inch Mk I howitzer
- Breech TypeScrew
- Recoil SystemHydro-Pneumatic
- Muzzle BrakeNo
- Bore EvacuatorNo
▣Performance4MOD.4
- Maximum Range (standard)20.4 km
- Muzzle Velocity573 m/s
- Elevation0° - 40°
- Traverse2° L & R
◇Ammunition8MOD.8
- Projectile Weight1,134 kg
- Ammunition TypesHE
- HE RoundYes
- Smoke RoundNo
- Illumination RoundNo
- Cluster / DPICMNo
- Precision-Guided RoundNo
- MRSI CapableNo
◆Fire Control5MOD.5
▤Mobility5MOD.5
- Self-PropelledNo
- Prime Moverrailway locomotive
- Shoot-and-ScootNo
- AutoloaderNo
- Protected Crew CabNo
⬢Dimensions1MOD.1
- Length15.85 m
▲Production2MOD.2
- Total Production5
- Production Start1,918 year
◎Self-Propelled Chassis1MOD.1
03 / History
SERVICE LIFESPANStill in Service
- 1914First deployment: World War I
- 1920Production started
106
years in service
0
years in production
5
units produced
1
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
TOWED ARTILLERY & MORTARS RANKING Towed Artillery & Mortars · Interwar Period
MASS RANKINGSMASS ↗
168TOWED ARTILLERY & MORTARS22INTERWAR PERIOD · TOWED ARTILLERY & MORTARS477UNITED KINGDOM · ALL WEAPONS298PERFORMANCE/PRICE · TOWED ARTILLERY & MORTARS
ⓘ Rankings are within theTowed Artillery & Mortarscategory.
📖 TERMS ON THIS PAGE4terms
High Explosive (HE) round: an artillery or mortar projectile containing explosive filler designed to inflict damage through blast and fragmentation effects.
Recoil system using a combination of liquid and compressed gas to absorb and return energy from firing.
Method of transporting artillery by mounting it on a railway flatcar for movement along rail lines.
A breech mechanism in artillery where a cylindrical plug with spiral threads is rotated to open or close the breech.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources