Description

Based upon a 27.4 cm (10.78") Canet gun design, these guns were manufactured by Hontoria in Spain under French license. Two of these guns were mounted on the battleship Pelayo, one on each beam. Later ships had one gun on the bow and one on the stern. All were mounted in barbettes.

Gun Characteristics

Designation 11"/35 (28 cm) Model 1883
Ship Class Used On Pelayo, Infanta Maria Teresa, Almirante Oquendo, Vizcaya and Emperador Carlos V
Date Of Design 1883
Date In Service 1888
Gun Weight 32.0 tons (32.5 mt)
Gun Length oa N/A
Bore Length about 385 in (9.779 m)
Rifling Length N/A
Grooves N/A
Lands N/A
Twist N/A
Chamber Volume N/A
Rate Of Fire about 1 round per minute

Ammunition

Type Bag
Projectile Types and Weights AP (cast iron bomb): 586.4 lbs. (266 kg)
HE: 693 lbs. (315 kg)
Bursting Charge N/A
Projectile Length N/A
Propellant Charge 352.7 lbs. (160 kg)
Muzzle Velocity 2,034 fps (620 mps)
Working Pressure N/A
Approximate Barrel Life N/A
Ammunition stowage per gun N/A

Range

Range with 586.4 lbs. (266 kg) AP
Elevation Distance Striking Velocity Angle of Fall
2.5 degrees 3,160 yards (2,890 m) 1,608 fps (490 mps) 2.94
5.0 degrees 5,510 yards (5,040 m) 1,345 fps (410 mps) 6.59
7.5 degrees 7,370 yards (6,740 m) 1,181 fps (360 mps) 10.68
10.0 degrees 8,920 yards (8,160 mps) 1,115 fps (340 mps) 14.93
15.0 degrees 11,440 yards (10,460 m) 1,017 fps (310 mps) 23.21

This table is a result of calculations, not actual firing trials.

Armor Penetration

Armor penetration with 586.4 lbs. (266 kg) AP against Krupp Armor
Range Side Armor Deck Armor
3,160 yards (2,890 m) 11.5 in (292 mm) 0.2 in (4 mm)
5,510 yards (5,040 m) 8.9 in (226 mm) 0.4 in (10 mm)
7,370 yards (6,740 m) 7.4 in (188 mm) 0.7 in (17 mm)
8,920 yards (8,160 mps) 6.5 in (165 mm) 1.0 in (25 mm)
11,440 yards (10,460 m) 5.4 in (138 mm) 1.6 in (41 mm)

These values are from calculations using Jacob-de-Marr's armor penetration formula.

Mount/Turret Data

Designation Single Barbette mounts: All ships (2)
Weight N/A
Elevation -5 / +15 degrees
Elevation Rate N/A
Train
(see Note)
Pelayo: 0 / 180 degrees 1
Infanta Maria Teresa class: -125 / +125 degrees
Emperador Carlos V: -125 / +125 degrees
Train Rate N/A
Gun recoil N/A
Loading Angle N/A
Note:
  • ^These are the official train angles for Pelayo, but the reality is that she could not fire at these extremes without suffering from blast damage.

Additional Pictures

Sources

Data from:

  • "Navies and Naval Guidebook" (VKAM-99) published under authority of Great Prince Alexander Mikhailovich

Special help from Nicholas W. Mitiuckov

Page History

13 May 2006
Benchmark
18 February 2012
Updated to latest template