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Type 97 90mm (mortar)


Infantry Mortar (1937)


Infantry Small Arms / The Warfighter

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Jump-to: Specifications

The Type 97 90mm Infantry Mortar saw only limited production reaching some 600 examples during World War 2.



Authored By: Staff Writer | Last Edited: 02/17/2017 | Content ©www.MilitaryFactory.com; the following text is exclusive to this site.
In an effort to reduce production costs and speed up delivery, the Type 97 mortar of 1937 was developed from the existing Type 94 design of 1935. The original Type 94 series was developed for Imperial Japanese Army forces prior to World War 2. It was of a smoothbore design and of quite conventional appearance with a base plate, bipod and smoothbore tube. Traverse and elevation controls were found at the hinge and support near the muzzle end of the weapon in the typical fashion. A recoil cylinder was affixed to the side of the tube to help absorb the violent forces inherent in mortar weapons of any kind. The type was first introduced in 1935 and was ranged out to 4,000 meters. Being of the 90mm caliber, the Type 94 was a large instrument requiring multiple crew and weighing in at 350lbs. It was ultimately fielded across all of the major Japanese fronts of World War 2 including China.

The major difference between the two designs was the Type 97's lack of the recoil mechanism found on the Type 94. It retained the same 90mm caliber, fired the same shell stocks and was ranged out to 3,800-4,000 meters as in the original. About 600 examples of the simplified Type 97 were reportedly produced and went on to see combat service with the Japanese Army in World War 2.

Specifications



Service Year
1937

Origin
Imperial Japan national flag graphic
Imperial Japan

Classification


Infantry Mortar


State Factories - Imperial Japan
National flag of modern Japan Imperial Japan
(OPERATORS list includes past, present, and future operators when applicable)
Fire Support
Capable of suppressing enemy elements at range through direct or in-direct fire.


Overall Length
1,217 mm
47.91 in
Barrel Length
1,217 mm
47.91 in
Empty Wgt
381.40 lb
173.00 kg
Sights


Adjustable Elevation Mechanism


Action


Manual; Firing Pin at Base

(Material presented above is for historical and entertainment value and should not be construed as usable for hardware restoration, maintenance, or general operation - always consult official manufacturer sources for such information)


Caliber(s)*


91mm

Rounds / Feed


Single-Shot; Reusable Firing Tube
Cartridge relative size chart
*May not represent an exhuastive list; calibers are model-specific dependent, always consult official manufacturer sources.
**Graphics not to actual size; not all cartridges may be represented visually; graphics intended for general reference only.
Max Eff.Range
12,464 ft
(3,799 m | 4,155 yd)
Muzzle Velocity
744 ft/sec
(227 m/sec)


Type 97 - Base Series Designation


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