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Type 31 60mm

60mm Infantry Light Mortar

Type 31 60mm

60mm Infantry Light Mortar

OVERVIEW
SPECIFICATIONS
VARIANTS
HISTORY
IMAGES
OVERVIEW



The Type 31 60mm Light Mortar was a Chinese copy of the American M2 series - itself a copy of the French Modele 1935 product.
National Flag Graphic
ORIGIN: China
YEAR: 1943
MANUFACTURER(S): State Factories - China
OPERATORS: China
National flag of China
CHN
SPECIFICATIONS



Common measurements, and their respective conversions, are shown when possible. * Calibers listed may be model/chambering dependent.
ACTION: Manually-Operated; Pin Strike
CALIBER(S)*: 60mm
SIGHTS: Adjustable Elevation Mechanism
ADVERTISEMENTS
LENGTH (O/A)

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mm
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inches
BARREL LGTH

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mm
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inches
WEIGHT

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pounds
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kilograms
MUZZLE VEL.

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fps
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meters-per-second
RATE-OF-FIRE

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rpm
RANGE (EFF)

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feet
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Meters
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Yards
VARIANTS



Series Model Variants
• Type 31 - Base Series Designation
• Type 61 - Modernized Variant; small-area rectangular baseplate; lightened operational weight.


HISTORY



Detailing the development and operational history of the Type 31 60mm 60mm Infantry Light Mortar.  Entry last updated on 8/20/2016. Authored by Staff Writer. Content ©www.MilitaryFactory.com.
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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