Type 99 cannon
Autocannon / From Wikipedia, the free encyclopedia
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The Type 99 Mark 1 machine gun and Type 99 Mark 2 machine gun were Japanese versions of the Oerlikon FF and Oerlikon FFL autocannons respectively. They were adopted by the Imperial Japanese Navy (IJN) in 1939 and served as their standard aircraft autocannon during World War II.[1]
Quick Facts Place of origin, Service history ...
Type 99 | |
---|---|
Type | Autocannon Machine gun (official designation) |
Place of origin | Empire of Japan |
Service history | |
In service | Mark1 1939-45; Mark 2 1942-45 |
Used by | Imperial Japanese Navy Air Service (IJNAS) |
Wars | World War II |
Production history | |
Designed | 1937 |
Specifications (Mark 1) | |
Mass | 23 kg (51 lb) |
Length | 1,330 mm (52 in) |
Cartridge | 20×72RB |
Caliber | 20 mm (0.787 in) |
Action | API Blowback |
Rate of fire | 520 rpm |
Muzzle velocity | 600 m/s (2,000 ft/s) |
Feed system | drum or belt-fed |
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