Ho-204 was a Japanese aircraft autocannon that saw limited use during World War II. It was the largest gun to see active service derived from the Model 1921 Aircraft Browning. It was used as upward-oblique armament in the Ki-46-III.[1]

Ho-204 cannon
TypeAircraft cannon
Place of originImperial Japanese army
Service history
WarsWorld War II
Specifications
Mass130 kg (290 lb)
Length2,390 mm (94 in)
Barrel length1,260 mm (50 in)

Cartridge37 x 144mm
Calibre37 mm (1.5 in) (475 g)
ActionShort recoil-operated
Rate of fire400 rounds/min
Muzzle velocity710 m/s (2,300 ft/s)

Specifications

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  • Caliber: 37 mm (1.45 in)
  • Overall length: 2,390  mm (94  in)
  • Barrel length: 1,260  mm (49.6  in)
  • Ammunition: 37 x 144 (475 g)
  • Weight: 130 kg (285 lb)
  • Rate of fire: 400 rounds/min
  • Muzzle velocity: 710 m/s (2,330 ft/s)

See also

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References

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  1. ^ Gustin & Williams, p. 185

Bibliography

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  • Gustin, Emmanuel; Williams, Anthony G. (2003). Flying Guns: The Development of Aircraft Guns, Ammunition and Installations 1933–1945. Marlborough, UK: Airlife. ISBN 978-1-84037-227-4.