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Type 31 60mm


60mm Infantry Light Mortar


China | 1943



"The Type 31 60mm Light Mortar was a Chinese copy of the American M2 series - itself a copy of the French Modele 1935 product."



Authored By: Staff Writer | Last Edited: 08/20/2016 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The Chinese Type 31 series of light 60mm infantry mortar was an indigenous copy of the American M2 60mm mortar series. The American M2 itself was nothing more than a copy of the French Stokes-Brandt "Mortier Modele 1935" of 1935, proving the French design as utterly sound and quite excellent in its own right. Key differences between the Chinese and American versions lay in the shorter barrel of the Chinese model, which measured in at 675mm in length. While this made the Chinese version lighter in weight, it did restrict its operational range to 1,530 meters.

Design of the Type 31 was highly conventional as was its operation. The system consisted of three major components made up of the square baseplate, firing tube and adjustable bipod. The crew could adjust elevation by a lever along the bipod assembly. A carrying handle along the top of the firing tube facilitated transport and the Type 31 could be further broken down to have its pieces carried by the fire team. Operation was much in the same fashion as the American and French design before it, requiring the operator to simply drop the 60mm projectile down the muzzle into the smoothbore tube. A firing pin actuated the projectile's propellant which sent the projectile into the air against the target area along a predetermined calculated path.

The Type 31 was eventually modernized to become the Type 63 light mortar. This newer version was designed to be lighter and more portable with a smaller area baseplate - the baseplate now designed as rectangular over the original's square design. Operationally, the Type 63 behaved much in the same way as the Type 31 before it including capabilities.

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Physical
The physical qualities of the Type 31 60mm. Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
675 mm
26.57 in
O/A Length
675 mm
26.57 in
Barrel Length
44.09 lb
20.00 kg
Weight
Manually-Operated; Pin Strike
Action
60mm
Caliber(s)
Single-Shot; Reusable Firing Tube
Feed
Adjustable Elevation Mechanism
Sights
Performance
Performance specifications presented assume optimal operating conditions for the Type 31 60mm. Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
5,018 ft
1,529.5 m | 1,672.7 yds
Max.Eff.Range
30
Rounds-Per-Minute
Rate-of-Fire
500 ft/sec
152 m/sec
Muzzle Velocity
Variants
Notable series variants as part of the Type 31 60mm 60mm Infantry Light Mortar family line.
Type 31 - Base Series Designation
Type 61 - Modernized Variant; small-area rectangular baseplate; lightened operational weight.
Operators
Global customers who have evaluated and/or operated the Type 31 60mm. Nations are displayed by flag, each linked to their respective national small arms listing.

Contractor(s): State Factories - China
National flag of China

[ China ]
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Image of the Type 31 60mm
Left side view of the Type 31 60mm mortar on display
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Image of the Type 31 60mm
Front left side view of the Type 31 60mm infantry mortar
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Image of the Type 31 60mm
A U.S. service member demonstrates the portability of aType 31 60mm mortar

Design Qualities
Some designs are single-minded in their approach while others offer a more versatile solution to requirements.
FIRE SUPPORT
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Type 31 60mm 60mm Infantry Light Mortar appears in the following collections:
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