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Japan's Imperial Navy flag

Japan's 6" / 6.1" guns

Design

6.1" L/55

Was a triple mount with a 65° elevation.3

Usage

6" L/50 Type 41

Was used on the Agano class of cruisers.1

6.1" L/55

Was used on the Mogami class of cruisers.3

6.1" L/60 Type 3

Used on the Oyodo class of cruiser.1

Specifications

  6"
Caliber  
Weight  
Elevation  
Muzzle Velocity  
Range of shell  
Shell Weight - AP  
Rate of Fire  
  6" L/40
Manufacturer Armstrong2
Caliber 402
Weight 6 tons2
Elevation  
Muzzle Velocity 2,220'/sec2
Range of shell  
Shell Weight - AP 100 lb2
Rate of Fire 8 rpm2
Penetration - 3,000 yards 4"2
Penetration - 5,000 yards 2.5"2
  6" L/40
Manufacturer Armstrong2
Caliber 402
Weight 6.5 tons2
Elevation  
Muzzle Velocity 2,500'/sec2
Range of shell  
Shell Weight - AP 100 lb2
Rate of Fire 7 rpm2
Penetration - 3,000 yards 4.5"2
Penetration - 5,000 yards 3"2
  6" L/45 Type 1904
Caliber 452
Weight 8.5 tons2
Elevation  
Muzzle Velocity 3,000'/sec2
Range of shell  
Shell Weight - AP 100 lb2
Rate of Fire  
Penetration - 3,000 yards 6.5"2
Penetration - 5,000 yards 4.5"2
  6" L/50
Manufacturer Vickers
Caliber  
Weight 8 tons2
Elevation  
Muzzle Velocity 3,000'/sec2
Range of shell @ 45° 22,970 yards1
Shell Weight - AP 100 lb2
Rate of Fire 6 rpm2
Penetration - 3,000 yards 6.5"2
Penetration - 5,000 yards 4.5"2
  6.1" L/60 Type 41
Caliber  
Weight  
Elevation  
Muzzle Velocity  
Range of shell at 45° 22,890 yards1
Shell Weight - AP  
Rate of Fire 6 rpm1
  6.1" / 155 mm L/55
Caliber 553
Weight  
Elevation 65°3
Muzzle Velocity  
Range of Shell 27,400 m3
Shell Weight 123 lb3
55.87 kg3
Rate of Fire 5 rpm3
  6.1" L/60 Type 3
Caliber  
Weight  
Elevation  
Muzzle Velocity  
Range of shell at 45° 29,865 yards1
Shell Weight - AP  
Rate of Fire 5 rpm1
  6.1" L/60 Type 1914
Caliber  
Weight  
Elevation  
Muzzle Velocity  
Range of shell at 45° 29,960 yards1
Shell Weight - AP  
Rate of Fire  

Sources:

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