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Japan's Imperial Navy flag

Japan's 4" guns

Design

 

Usage

 

Specifications

  4.7" L/32
Manufacturer Armstrong
Caliber 32
Weight 1.66 tons
Elevation  
Muzzle Velocity 1,938'/sec
Range of Shell  
Shell Weight - AP 36 lb
Rate of Fire 8.6
  4.7" L/40
Manufacturer Armstrong
Caliber 40
Weight 2 tons
Elevation  
Muzzle Velocity 2,150'/sec
Range of Shell  
Shell Weight - AP 45 lb
Rate of Fire 8
Penetration - 3,000 yards 2.5"
  4.7" / 120 mm L/45
Manufacturer  
Caliber 45
Weight  
Elevation 80°
Muzzle Velocity  
Range of Shell 15,600 m
Height of Shell 8,450 m
Shell Weight 45 lb
20.5 kg
Rate of Fire 10 - 12 rpm
  4.7" / 120 mm L/45 Type 10
Manufacturer  
Caliber 45
Length 5.604 m
Weight 2,980 kg
Elevation 75°
Muzzle Velocity 2,706'/sec
825 m/sec
Range of Shell 17,060 yards
15,600 m
Height of Shell 11,007 yards
10,065 m
Shell Weight 45.08 lb
20.45 kg
Rate of Fire 10 - 11 rpm
Life of Barrel 700 - 1,000 rounds

Sources:

  1. Janes' Fighting Ships of World War II, 1989
  2. The Imperial Japanese Navy, A. J. Watts and B. G. Gordon, 1971
  3. The Imperial Japanese Navy in the Pacific War, Mark E. Stille, 2013
  4. Japanese Cruisers of the Pacific War, Eric Lacroix, Linton Wells II, 1997
20th Century American Military History Crucial Site