1238 produced by late 1942 (total wartime production unknown) [1]
Specifications
Mass
66 kg (145 lb)
Length
1.4 m (56 in)
Barrel length
1.26 m (49.5 in)
Width
0.67 m (26.5 in) (baseplate)[1]
Shell weight
Light HE: 3.3 kg (7 lb 4 oz) Heavy HE: 6.5 kg (14 lb 5 oz)
Caliber
81 mm (3.2 in)
Action
Manual
Elevation
+45 to +85 degrees[1]
Muzzle velocity
196 m/s (643 ft/s)
Effective firing range
Light HE: 3 km (1.9 mi) Heavy HE: 1.2 km (0.75 mi)[1]
The Type 97 81 mm infantry mortar was a Japanese mortar used primary by Imperial Japanese Army during World War II. The Type 97 designation was given to this gun as it was accepted in the year 2597 of the Japanese calendar (1937).[2] It entered service in 1937. Japanese infantry units often are equipped with 81-mm mortars. The Type 97 81 mm mortar is very commonly used and is referred to by the Japanese as an "Infantry Gun",[2] which breaks down into 3 sections for transport. The markings which appear on the base of the barrel read "97 model small trench mortar."[3]
The modified version used by Imperial Japanese Navy with designation Type 3 mortar was used by naval land forces and as anti-submarine weapon on escort ships beginning in 1943.
^ abcChamberlain, Peter (1975). Mortars and rockets. Gander, Terry. New York: Arco Pub. Co. p. 14. ISBN 0668038179. OCLC 2067459.
^ abWar Department Special Series No 30 Japanese Mortars and Grenade Dischargers 1945
^War Department TM-E 30-480 Handbook on Japanese Military Forces, 1 October 1944
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Global Information
Empire of Japan
Imperial Japanese Army