Japan

大日本帝國陸軍航空隊

Dai-Nippon Teikoku Rikugun Kokutai

Imperial Japanese Army Air Service

Aircraft Code Names & Designations

19?? - 1945

機械砲 Kikan hou (machine cannon, automatic firearms greater than 11 mm in caliber)

大 Ho = 大砲 Hou (cannon)

Uncommon Aircraft

Manufacturer Project Designation
(Ki Go, Ryaku Go)
Official Designation
(Seishiki Meisho)
Notes
? Ho-? Army Type 88 12.7 mm
? Ho-? Army Type 88 75 mm
? Ho-? Army Type 94 37 mm
Japan Special Steel, Giken, Kokura Army Arsenal Ho-1 Army Type 97 20 mm Cannon Based on Army Type 97 20 mm Anti-tank Gun
-- Ho-2 -- Experimental fixed machine cannon, possibly based on Type 97
Japan Special Steel, Giken, Kokura Army Arsenal Ho-3 Army Type 97 20 mm Cannon Based on Army Type 97 20 mm Anti-tank Gun
Kawamura Ho-4 -- Experimental improved version of Ho-1, Ho-3; cancelled in favor of Ho-5
Chuuou Kougyou KK, Hitachi Heiki; Kokura & Nagoya Army Arsenals Ho-5 Army Type 2 20 mm Lightweight Machine Cannon Scaled-up Ho-103
-- Ho-5-2 -- Experimental flexible version of Ho-5
-- Ho-5-II -- Experimental lightened version of Ho-5
-- Ho-6 -- Experimental 20 mm machine cannon
-- Ho-7 -- Experimental 20 mm machine cannon
-- Ho-8 -- Experimental 20 mm machine cannon
-- Ho-9 -- Experimental 20 mm machine cannon
-- Ho-10 -- Experimental 20 mm machine cannon
-- Ho-11 -- Experimental 20 mm machine cannon
-- Ho-12 -- Experimental machine cannon based on Browning machine gun with 20 x 125 cartridge
-- Ho-51 -- Experimental machine cannon based on Browning machine gun with 25 x 115 cartridge; developed into Ho-155
-- Ho-52 -- Experimental machine cannon based on Browning machine gun with 25 x 150 cartridge
-- Ho-101 -- Experimental gas-operated fixed machine cannon, 12.7 x 81 SR; possibly Scotti / Isotta-Mareschi
-- Ho-102 -- Experimental Breda-SAFAT machine cannon, 12.7 x 81 SR
Chuuou Kougyou KK; Kokura & Nagoya Army Arsenals Ho-103 Army Type 1 13 mm Fixed Machine Cannon Based on Browning Model 1921 firing Italian 12.7 x 81 SR cartridge
Chuuou Kougyou KK Ho-104 Army Type 1 13 mm Flexible Machine Cannon Dedicated flexible version of Ho-103
Chuuou Kougyou KK, Nagoya Army Arsenal Ho-155-I -- Scaled-up 30 mm version of experimental Ho-51
Chuuou Kougyou KK, Nagoya Army Arsenal Ho-155-II -- Smaller version of Ho-155-I; 30 mm
-- Ho-201 -- Experimental 37 mm flexible machine cannon
-- Ho-202 -- Experimental 37 mm fixed machine cannon, possibly based on Ho-201
Japan Special Steel; Kokura & Nagoya Army Arsenals Ho-203 Army Type 3 37 mm Machine Cannon? Based on Army Year 11 Type Direct-Fire Infantry Gun
Chuuou Kougyou KK; Kokura & Nagoya Army Arsenals Ho-204 Army Type 4 37 mm Machine Cannon? Based on Browning M2
-- Ho-205 -- Experimental, smaller version of Ho-204
Kokura Army Arsenal Ho-251 -- Experimental 47 mm machine cannon project
Chuuou Kougyou KK, Nagoya Army Arsenal Ho-301 -- Scaled-down 40 mm version of Army Type 89 Heavy Grenade Launcher
Japan Special Steel, Nagoya Army Arsenal Ho-401 -- Scaled-up 57 mm version of Ho-203, based on Type 90 Tank Gun
-- Ho-402 -- Experimental 57 x 477 R tank/anti-tank gun, intended for Ki-93-Ia
Kokura Army Arsenal Ho-403 -- Experimental 57 x 187 R project
-- Ho-501 -- Experimental 75 mm version of Ho-203
-- Ho-505 -- No information, possible development of Type 88 anti-aircraft gun
-- Ho-601 -- Experimental 120 mm machine cannon design
-- Ho-3057 -- Experimental gun chambered for 57 x 265 caseless cartridge, based on Browning machine gun
-- Ho-3075 -- Experimental 75 mm version of Ho-3057
-- Ho-3157 -- Experimental 57 x 187 RB, Hotchkiss/Nambu design
-- Ho-3175 -- Experimental 75 mm version of Ho-3157

Click to enlarge
Ho-301


Japan Imperial Japanese Army
[ Japan | IJA ]

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© 1997-2013, Robert Beechy
http://www.hud607.fire.prohosting.com/uncommon/reference/japan/ija_cannon.html
Originally posted January 2005
Modified: 02/12/2013