130mm SM-2-1
China: Type 76
Overview
130mm SM-2-1
Line diagram showing the internals of the 130mm SM-2-1 naval gun turret.
Source: Unknown author -
© Copyright lies with original owner
Origin
Soviet Union
Type
Naval gun
Entered service
1955
Status
Limited service
Development
1943 - 1949
Developer
Soviet Union
-
TsKB-34
Production
1950 - 1957 (USSR)
Producer
Soviet Union
-
No. 232 Bolshevik plant (51 turrets)
Soviet Union - Starokramatorsk Machine-Building Plant (14 turrets)
Soviet Union - Starokramatorsk Machine-Building Plant (14 turrets)
Unit cost
6.5 million rubles in 1950's
Number produced
65 SM-2-1 turret, of which 58 installed on ships
Designations
Type 76 (Chinese variant)
Notable users
Soviet Union
Details
Facts
SM-2-1
General
Origin
Soviet Union
Type
Naval gun turret
Ordnance
Type
2x 130mm L/57.6 ZIF-68-1
Rate of fire
Up to 15 rpm per barrel with manual loading
Up to 12 rpm per barrel with automatic loading
Range
27.8 km
Muzzle velocity
950 m/s
Barrel life
1.700 rounds
Mount
Feed mechanism
Manual or automatic loading
Ammunition
200 rounds per gun
850 round total storage per mount
Traverse
185° left and 185° right
Traverse rate
18°/s
Elevation
-7° to +81°
Elevation rate
17.6°/s
Stabilization
Yes, three axis cross-level stabilization
Operation
Crew
19 to 21, including 7 crew in below deck loading room
Fire control
Sfera-56 fire control computer
1-UM electromechanical computer
AMO-3 anti-aircraft sight
Shtag-B ranging radar for air targets
Engagement zone
24 km for naval surface targets
15 km for air targets up to 300 m/s
31.5 km calculation for shore targets
Dimensions
Weight
52.9 t gun turret
57.3 t full installation
Length
7.12 m
Width
4.45 m
Height
3.55 m
Deck penetration
Ammunition storage below deck
Protection
Armor type
Steel
Armor thickness
20 mm turret front
10 mm side and roof
8 mm rear
Media
130mm SM-2-1
Aerial view of the bow of a Project 56 (NATO: Kotlin) class destroyer showing the SM-2-1 dual purpose naval gun.
Source: US Navy
Copyright: Public domain
130mm SM-2-1
Line diagram of a SM-2-1 naval gun turret with guns at high elevation. Note the below deck ammunition handling room.
Source: Unknown author
Copyright: Copyright lies with original owner
Project 56 destroyer
Soviet navy Project 56 (NATO: Kotlin) destroyer in its original format with bow and stern gun armament.
Source: Unknown author
Copyright: Copyright lies with original owner
130mm SM-2-1
Line diagram of 130mm SM-2-1 twin barrel naval gun.
Source: Unknown author
Copyright: Copyright lies with original owner
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