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Japan's Imperial Navy flag

Japan's 8 " guns

Design

The 7.9" / 20 cm L/50 Type 3 gun was designed by Hata Chiyokichi in 1916 at Kure Navy Yard.

 

Usage

 

Specifications

  7.9" / 20 cm L/50 Type 3
Caliber 50
Length 10 m
Weight 17.9 tons
Grooves 48
Elevation 10,000 m
Muzzle Velocity 870 m/sec
Range of Shell - 25° 24,000 m
Range of Shell - 40 ° 26,700 m
Range of Shell - 45° 28,000 m
Shell Weight 110 kg
Rate of Fire 5 rpm
Barrel Life 300 rounds
  8" / 203.2 mm L/50 Type 3
Caliber 50
Length 10.31 m
Weight 19 tons
Grooves 48
Elevation  
Muzzle Velocity 835 m/sec
Range of Shell - 40° 31,606 yards
28,900 m
Range of Shell - 45° 32,153 yards
29,400 m
Shell Weight 125.85 kg
Rate of Fire 2 - 3 rpm
Barrel Life 320 rounds

Sources:

  1. Japanese Cruisers of the Pacific War, Eric Lacroix, Linton Wells II, 1997
  2. The Imperial Japanese Navy in the Pacific War, Mark E. Stille, 2013
20th Century American Military History Crucial Site