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| 152 mm air defense gun KM-52 | |
|---|---|
 | |
| Place of origin | USSR |
| Production history | |
| No. built | 16 |
| Specifications | |
| Mass | 33,500 kg (73,855 lb) |
| Caliber | 152.4 mm (6.0 in) |
| Traverse | 360° |
| Rate of fire | 16-17 RPM |
The152 mm air defense gun KM-52 is a type of experimentalanti-aircraft artillery developed by theExperimental Design Bureau (now independent asNPO Novator) ofPlant No.8.
Originally developed as the 152 mm air defense gunKS-52 in 1949, the gun had a muzzle velocity of 1030 m/s, firing a 49 kg shell at 10 rounds per minute with a travel weight of 46 tons. After inspection by the Soviet Artillery Committee (theArtkom) and theMinistry of Armaments, work on the KS-52 was halted in 1949.
Resolution No. 2966-1727 of November 26, 1951 from theCouncil of Ministers approved development of a "152 mm air defense gun on the basis of theKS-30", which was entrusted to OKB-8 and the Design Bureau of Plant No.172. Its head designer was Tsyrulnikov. The new gun, carrying the designationKM-52, was not fully developed until 1954. The Technical Council of theMinistry of Defense Industry inspected the gun on January 28–29, 1955.
Production work of the KM-52 and its shells were distributed to different factories; the gun itself was mainly assigned to Plant No.172 (nowMotovilikha Plants), who received different gun parts from other plants, including barrels from Plant No.232 (nowObukhov State Plant), which were in turn made from technical drawings by Plant No.8, GSP-152 traverse mechanisms from TsNII-173 (headed by Monastyrsky). Plant No.710 (now the defunctPodolsk Electro-Mechanical Plant). Shells were developed in NII-24, built by Plant No.73 with casings developed by NII-147. Firing mechanisms were developed from that of the SM-27 gun.
Plant No.221 (nowTitan-Barrikady) also prepared two barrels and sent them to Plant No.172 in 1955. The KM-52 underwent factory testing in December 1955, and was delivered on December 28. The KM-52's gun carriage did not differ greatly from that of the KS-30. It achieved a rate of fire of 16-17 rounds per minute and 16 units were accepted into service in 1957.
Controlled experiments with the gun in 1957 produced some results, but a resolution adopted by the Council of Ministers in June 1958 halted development ofrocket-assisted projectiles for the KM-52 alongside all work on the gun.