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Description

Elswick guns used on Brazilian cruisers built in Britain.

Wire-wound construction. Pattern "T" had an actual bore length of 39.94 calibers.

Gun Characteristics

Designation 8"/40 (20.3 cm) EOC Pattern "P"
8"/40 (20.3 cm) EOC Pattern "T"
Ship Class Used On Pattern "P": Blanco Encalada
Pattern "T": Almirante O'Higgins
Date Of Design N/A
Date In Service 1898
Gun Weight Pattern "P": 15.39 tons (15.64 mt) including BM
Pattern "T": 16.54 tons (16.81 mt) including BM
Gun Length oa N/A
Bore Length Pattern "P": 319.5 in
Pattern "T": 320.0 in
Rifling Length N/A
Grooves N/A
Lands N/A
Twist N/A
Chamber Volume N/A
Rate Of Fire about 2 rounds per minute

Ammunition

Type Bag
Projectile Types and Weights
  • Pattern "P": 210 lbs. (95.3 kg)
  • Pattern "T":
    • 210 lbs. (95.3 kg)
    • 250 lbs. (113.4 kg)
Bursting Charge N/A
Projectile Length N/A
Propellant Charge N/A
Muzzle Velocity
  • Pattern "P": 2,242 fps (683 mps)
  • Pattern "T":
    • 210 lbs. (95.3 kg): 2,575 fps (785 mps)
    • 250 lbs. (113.4 kg): 2,440 fps (744 mps)
Working Pressure N/A
Approximate Barrel Life N/A
Ammunition stowage per gun N/A

Mount/Turret Data

Designation
  • Single Guns:
    • Blanco Encalada (2)
    • Almirante Higgins (4)
Weight N/A
Elevation -5 / +15 degrees (?)
Elevation Rate N/A
Train about +150 / -150 degrees
Train Rate N/A
Gun recoil N/A
Loading Angle N/A

Sources

Data from:

  • "Naval Weapons of World War Two" by John Campbell