Ho-204 was a Japanese aircraft
autocannon
An autocannon, automatic cannon or machine cannon is a fully automatic gun that is capable of rapid-firing large-caliber ( or more) armour-piercing, explosive or incendiary shells, as opposed to the smaller-caliber kinetic projectiles (bull ...
that saw limited use during
World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
. 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 and as nose armament in several experimental anti-bomber aircraft, including variants of the
Kawasaki Ki-45
The Kawasaki Ki-45 ''Toryu'' (屠龍, "Dragonslayer") was a two-seat, twin-engine heavy fighter used by the Imperial Japanese Army in World War II. The army gave it the designation "Type 2 Two-Seat Fighter"; the Allied reporting name was "Nick". ...
.
Specifications
*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
*
Ho-5 cannon
The Ho-5 (Army Type 2) was a Japanese aircraft autocannon used during World War II. Developed from the Ho-103 machine gun, it was a version of the American Model 1921 Browning aircraft machine gun. It replaced the Ho-1 and Ho-3 (Army Type 9 ...
*
MK 108 cannon
The MK 108 (German: ''Maschinenkanone''—"machine cannon") was a 30 mm caliber autocannon manufactured in Nazi Germany, Germany during World War II by Rheinmetall‑August Borsig, Borsig for use in aircraft.
The cannon saw widespread use as an ...
*
Ho-155 cannon
The 30 mm Ho-155 cannon was a Japanese aircraft autocannon used during World War II, often mistakenly called with the Ho-105 or Ho-151. A lighter and more compact Ho-155-II was designed towards the end of the war.
Development
The Ho-155-I was fi ...
*
Ho-203 cannon
Ho-203 was a Japanese autocannon that saw considerable use during World War II. It was a long-recoil automation of the Year 11 Type direct-fire infantry gun. It was fed by a 15-round closed-loop ammunition belt. It was operationally used only as ...
*
Ho-301 cannon
The Ho-301 was a Japanese 40 millimeter caliber autocannon that saw limited use during World War II, on Japanese Army Nakajima Ki-44 and Kawasaki Ki-45 KAI aircraft. It was unusual in using caseless ammunition. Although the effective range of the ...
*
Ho-401 cannon
Ho-401 was a Japanese aircraft autocannon that saw limited, if any, use during World War II. It was a large-caliber version of the 37 mm Ho-203 cannon
Ho-203 was a Japanese autocannon that saw considerable use during World War II. It was ...
References
37 mm artillery
Aircraft guns
Autocannon
Machine guns of Japan
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