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Old 07-24-2009, 05:23 AM
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Mohoender Mohoender is offline
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Join Date: Sep 2008
Location: Near Cannes, South of France
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Default Specification of the 125mm to compare with the 120mm

Specifications of the gun
Designation KBA3
Calibre 125 mm
Type smoothbore gun
Breech-block type semiautomatic with horizontal placement of the wedge
Gun length 6678 mm
Barrel length 6000 mm (L48)
Normal recoil length 260 to 300 mm
Maximum possible recoil length (STOP) 310 mm
Initial pressure in the recuperator 59 to 62 kgf/cm2
Number of recoil brakes 2
Placement of recoil brakes symmetrical relative to the gun bore axis
Number of recuperators 1
Resistance to recoil 98000 kgf
Gun weight 2500 kg
Weight of gun recoiling part 1900 kg
Muzzle velocity (when firing 3VBM17 "MANGO" armour-piercing round) 1700 m/s
Maximum acceptable calculated gas pressure in charge chamber 6500 kgf/cm2
Gas pressure in charge chamber (when firing 3VBM17 "MANGO") 5660 kgf/cm2 (at t=15°C)
Horizontal dispersion (APDSFS and HEAT at 2000m range) 0.2 mils
Vertical dispersion (APDSFS and HEAT at 2000 m range) 0.2 mils

Specifications of the gun
Designation KBM2
Calibre 120 mm
Type smoothbore gun
Breech-block type semiautomatic with horizontal placement of the wedge
Gun length 6903 mm
Barrel length 6000 mm (L50)
Normal recoil length 260 to 300 mm
Maximum posible recoil length (STOP) 310 mm
Initial pressure in the recuperator 59 to 62 kgf/cm2
Number of recoil brakes 2
Placement of recoil brakes symmetrical relative to the gun bore axis
Number of recuperators 1
Gun weight 2600 kg
Weight of gun recoiling part 2115 kg
Muzzle velocity (when firing OFL 120F1 armour-piercing round) 1790 m/s
Maximum acceptable calculated gas pressure in charge chamber 7200 kgf/cm2
Horizontal dispersion 0.2 m (APFSDS, R=3,000 m)
0.25 m (HEAT, R=2,000 m)
Vertical dispersion 0.2 m (APFSDS, R=3,000 m)
0.25 м (HEAT, R=2,000 m)
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