Type 31 60mm 60mm Infantry Light Mortar (1943)
The Type 31 60mm mortar was a Chinese copy of the American M2 series with a few local alterations to suit Chinese requirements.
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. Text ©2003-2013 www.MilitaryFactory.com • All Rights Reserved • No Reproduction Permitted
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Specifications for the
Type 31 60mm
60mm Infantry Light Mortar
Country of Origin: China
Manufacturer: State Factories - China
Initial Year of Service: 1943
Overall Length: 675mm (26.57in)
Barrel Length: 675.00mm (26.57in)
Weight (Empty): 44.09lbs (20.00kg)
Cartridge: 60mm
Action: Manually-Operated; Pin Strike
Feed: Single-Shot; Reusable Firing Tube
Muzzle Velocity: 500ft/sec (152m/sec)
Rate-of-Fire: 30 rounds per minute
Range: 5,018ft (1,529m; 1,673yds)
Sights: Adjustable Elevation Mechanism
Variants:
Type 31 - Base Series Designation
Type 61 - Modernized Variant; small-area rectangular baseplate; lightened operational weight.
Operators: China
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