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![]() 9"/35 (22.9 cm) Pattern 1877
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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 |
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 |
Elevation | With 277 lbs. (126 kg) shells |
Range @ 15 degrees | 10,330 yards (9,445 m) |
Range @ 18 degrees | 12,010 yards (10,980 m) |
Note: This table is for "light" shells with smokeless powder. Ranges with other shells and propellants is not currently available. |
Designation | Single Casemate Mounts |
Weight | 76 tons (77 mt) |
Elevation | -5 / +15 degrees |
Rate of Elevation | N/A |
Train | 110 degrees on Imperator Alexandr II class
121 degrees on Gangut |
Rate of Train | N/A |
Gun Recoil | 36 in (91.4 cm) on Imperator Alexandr II class |
Loading Angle | N/A |
12 September 2006 - Benchmark
11 August 2012 - Updated to latest template