Type 91 10 cm howitzer
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The Script error: No such module "Nihongo". was a Script error: No such module "convert". howitzer used by the Imperial Japanese Army during the Second Sino-Japanese War and World War II as the standard Japanese light howitzer. The Type 91 10 cm howitzer was designed by the French company Schneider during the late 1920s per Japanese Army requirements and was considered to be light, robust and reliable. [1] Type 91 howitzers were issued to artillery regiments where they would supplement 75mm field guns. [2] The Type 91 number was designated for the year the gun was accepted, 2591 in the Japanese imperial year calendar, or 1931 in the Gregorian calendar.[3]
History and development
The Type 91 10 cm howitzer was an orthodox design howitzer which was designed by the French company Schneider during the late 1920s for the Japanese Army Technical Bureau. The Japanese Army put heavy emphasis on capability and lightweight, insisting that Schneider reduce at least 200kg from the base model before formal adoption.[4] It was intended to supplement, and eventually supersede the largely obsolete Type 38 15 cm howitzer, which had been in service since the end of the Russo-Japanese War. Over one thousand units were produced beginning in 1931.
Design
For a weapon of modern design the Model 91 (1931) 105 mm howitzer is by U. S. standards an extremely crude-looking piece. It is much smaller and lighter than the German and U. S. howitzers of the same caliber, weighing even less than the standard Template:Cvt guns used in Europe in World War I. Despite its lightness and its appearance of not having been quite finished, it is capable of throwing a Template:Cvt shell very nearly as far as can the heavier and far more formidable looking German 105 mm howitzer.[3]
The Type 91 10 cm howitzer was a standard 105 mm artillery piece of extremely light construction relative to range and weight of projector.[3] It can be identified by its demountable spade plates, long cradle extending almost to muzzle end of tube, a hydro-pneumatic recoil mechanism, Split trail, and interrupted screw breech mechanism. It was designed to be towed by a team of six horses.[5]
The Type 91 fired a 15 kg standard high-explosive shell, up to Template:Cvt and could also fire chemical, armor-piercing, and shrapnel shells.[5] Japanese charge-system numbering is unusual, in that the numbering is reversed from American, British, German, French and Italian charge numbering systems:[3]
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To improve the potential anti-tank capability of the Type 91 howitzer, a HEAT round was developed which did not begin production until January 1945. About 15,000 HEAT rounds were produced before the formal end of the war. Armor penetration was rated at 120 mm. [6]
Variants
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Combat record
Type 91 10 cm howitzer was used in large numbers in front line combat service from the time of the invasion of Manchuria through the Soviet-Japanese Border Wars, the Second Sino-Japanese War and in most fronts during the Pacific War. The Type 91 was typically assigned to field artillery regiments together with 75 mm field guns.[7]
Weapons captured by the Chinese during the Second Sino-Japanese War, or abandoned in China at the time of the surrender of Japan, were placed into service by both the Nationalist government and the Communist forces during the Chinese Civil War.
References
Notes
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- ↑ a b c d War Department Special Series No 25 Japanese Field Artillery October 1944
- ↑ Ness, Leland. Rikugun: Volume 2 - Weapons of the Imperial Japanese Army & Navy Ground Forces (p. 104). Helion and Company.
- ↑ a b US Department of War. TM 30-480, Handbook on Japanese Military Forces
- ↑ Ness, Leland. Rikugun: Volume 2 - Weapons of the Imperial Japanese Army & Navy Ground Forces (p. 106). Helion and Company.
- ↑ [1] Taki's Imperial Japanese Army page
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Bibliography
- Bishop, Chris (eds) The Encyclopedia of Weapons of World War II. Barnes & Nobel. 1998. Template:ISBN
- Chamberlain, Peter and Gander, Terry. Light and Medium Field Artillery. Macdonald and Jane's (1975). Template:ISBN
- Chant, Chris. Artillery of World War II, Zenith Press, 2001, Template:ISBN
- McLean, Donald B. Japanese Artillery; Weapons and Tactics. Wickenburg, Ariz.: Normount Technical Publications 1973. Template:ISBN.
- Mayer, S.L. The Rise and Fall of Imperial Japan. The Military Press (1984) Template:ISBN
- War Department Special Series No 25 Japanese Field Artillery October 1944
- US Department of War, TM 30-480, Handbook on Japanese Military Forces, Louisiana State University Press, 1994. Template:ISBN
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