The 30 mm Type 5 cannon was a Japanese Navy

autocannon An autocannon, automatic cannon or machine cannon is a automatic firearm, fully automatic gun that is capable of rapid-firing large-caliber ( or more) armour-piercing, explosive or incendiary ammunition, incendiary shell (projectile), shells, ...

used near the end of

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

. It was an indigenous 30 mm design with better performance than the Navy's earlier Oerlikon-derived Type 2 or the Imperial Army's Browning-derived Ho-155, although it was considerably heavier. The Type 5 was to have become the standard fighter cannon of the Japanese Navy – four would have been mounted on the J7W Shinden – but by the end of the war had seen use on only a few aircraft, including variants of the

Mitsubishi J2M The Mitsubishi J2M ''Raiden'' (雷電, "Lightning Bolt") is a single-engined, land-based fighter aircraft used by the Imperial Japanese Navy Air Service in World War II. Its Allied reporting name was Jack. Design and development The J2M was d ...

and Yokosuka P1Y.

Specifications

*Caliber: 30 mm (1.2 in) *Ammunition: 30 × 122 (345 g) *Weight: 70 kg (155 lb) *Rate of fire: 500 rounds/min Cannon was constructed by engineer Masaya Kawamura, in Nihon Tokushu-Ko KK, and produced in Navy factories in Toyokawa and also in small numbers KK Nihon Seikojo and Nihon Tokushu-Ko KK.

References

* Gustin Emmanuel
The WWII Fighter Gun Debate: Gun Tables
(1999) * Anthony G. Williams

30mm Type 5 cannon Autocannon Aircraft guns World War II weapons of Japan {{artillery-stub

Specifications

See also

References