Description

These guns were used as secondaries on the Russian Baltic fleet battleships built in the 1880s. These guns were in service on the Japanese Iki (captured Imperator Nikolai I) following the Russo-Japanese war.

Gun Characteristics

Designation 9"/35 (22.9 cm) Pattern 1877
229 mm/35 (9") Pattern 1877
Ship Class Used On Imperator Alexandr II class, Gangut
Date Of Design 1877
Date In Service 1884
Gun Weight 21.7 tons (22.1 mt)
Gun Length oa 315.5 in (8.015 m)
Bore Length N/A
Rifling Length N/A
Grooves 52
Lands N/A
Twist N/A
Chamber Volume N/A
Rate Of Fire N/A

Ammunition

Type Bag
Projectile Types and Weights "Light": 277 - 280 lbs. (126 - 127 kg)
"Heavy": 415 lbs. (188.4 kg)
Bursting Charge "Light": 12.3 - 13.2 lbs. (5.6 - 6 kg)
Projectile Length "Light": 2.7 - 2.8 calibers
Propellant Charge "Light": 158 - 163 lbs. (72-74 kg) of brown powder
"Heavy": 153 lbs. (69.6 kg) of brown powder
Muzzle Velocity "Light": 21,42 fps (653 mps) with brown powder
"Light": 2,326 fps (709 mps) with smokeless powder
"Heavy": 18,67 fps (569 mps) with brown powder
Working Pressure N/A
Approximate Barrel Life N/A
Ammunition stowage per gun Gangut: 100 rounds
Others: N/A

Range

Range with 277 lbs. (126 kg) shells
Elevation Distance
15 degrees 10,330 yards (9,445 m)
18 degrees 12,010 yards (10,980 m)

This table is for "light" shells with smokeless powder. Ranges with other shells and propellants is not currently available.

Mount/Turret Data

Designation Single Casemate Mounts
Weight 76 tons (77 mt)
Elevation -5 / +15 degrees
Rate of Elevation N/A
Train Imperator Alexandr II class: 110 degrees
Gangut: 121 degrees
Rate of Train N/A
Gun Recoil Imperator Alexandr II class: 36 in (91.4 cm)
Loading Angle N/A

Sources

Data from:

  • "The Battleship Gangut" by L.I. Amirkhanov and A.V. Lukoshkov
  • "Entsiklopedia Otechestvennoi Artillerii" (Encyclopedia of Fatherland [Russian] Artillery) by A.V. Shirokorad

Special help from Vladimir Yakubov

Page History

12 September 2006
Benchmark
11 August 2012
Updated to latest template