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Radar under a Plexiglas dome, oblique-firing 20 mm cannons, and the 20 mm cannons in the belly replaced with 30 mm (1.18 in) cannons in Schräge Musik behind the cockpit, two built. Ki-108 High-altitude fighter prototype with pressurised cabin , two conversions from Ki-102 Otsu aircraft using the structural improvements used on the Ki-102 Hei.
Type 4 20 mm twin AA machine cannon was an Imperial Japanese Army (IJA) anti-aircraft gun. It consisted of two Type 98 20 mm AA machine cannon. It was introduced in 1944 and approximately 500 to 616 guns were produced. [1] [2] [3] It was mainly designed for use against ground targets, but was only used in an anti-aircraft role. [4]
The first significant development of cannons in Japan occurred during the 1550s, coinciding with the Nanban trade. Portuguese traders introduced two types of breech-loaded cannons to Ōtomo Sōrin . These cannons consisted of a heavy barrel mounted on a swivel and were loaded from the breech, with powder and shot inserted through a separate ...
The Type 98 20 mm AA machine cannon was the most common light anti-aircraft gun of the Japanese military. [1] The Type 98 designation was given to this gun as it was accepted in the year 2598 of the Japanese calendar (1938). [5] It entered service that same year and first saw combat in Nomonhan. It was used until the end of World War II. [1]
Mauser MG 151/20 20 mm cannon; Ho-1 20 mm cannon; Ho-3 20 mm cannon; Ho-5 20 mm cannon (based on Browning) Ho-155 cannon (aka Ho-105) 30 mm cannon (based on Browning) Ho-155-II 30mm cannon; Ho-203 37 mm cannon; Ho-204 37 mm cannon (based on Browning) Ho-301 40 mm cannon (caseless ammunition, sometimes considered a "rocket launcher") Ho-401 57 ...
Towards the end of the war it developed a preference for installing the Type 99 Mark 2, presumably to counter the improving performance and ruggedness of US combat aircraft. The Type 99 cannon suffered from relatively low muzzle velocity and rate of fire compared to other 20mm cannons but the trade off was an extremely light cannon that did not ...
Introduced in 1942, compared to the earlier Type 98 20 mm AA machine cannon, Type 2 20 mm had higher maximum rate of fire, could be elevated to 95 degrees and had a central fire-control system. [3] The central fire-control system developed for the Type 2 could control and direct six of the guns at once.
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 cannon was only 150 meters (490 ft), the Ho-301 was light and rapid-firing for its caliber.