Russian 130mm/55
Caliber = 13.0 cm (5.1 inch)
Shell weight = 37 kg (82 lbs)
Muzzle velocity = 846 m/s (2773 fps)
Relative ballistic performance: 0.85
Muzzle energy = 13.226 megajoules = 4873.8 foot-tons
Relative muzzle energy: 1.14
Barrel length: 55 calibers
Elevation Range
Time Velocity Fall Angle
2.5 deg 4800 meters
7.0 sec 566 m/s 3.3 deg
5.0 deg
7800 meters 13.1 sec 444 m/s 7.6 deg
7.5 deg 10000 meters 18.7 sec 376 m/s
12.8 deg
10.0 deg 11800 meters 23.8
sec 335 m/s 18.1 deg
12.5 deg
13200 meters 28.6 sec 310 m/s 23.6 deg
15.0 deg 14500 meters 33.2 sec 295 m/s
29.0 deg
20.0 deg 16400 meters 41.7
sec 282 m/s 38.6 deg
25.0 deg
18000 meters 49.7 sec 282 m/s 46.7 deg
30.0 deg 19100 meters 57.3 sec 288 m/s
53.3 deg
35.0 deg 19900 meters 64.5
sec 297 m/s 58.5 deg
40.0 deg
20400 meters 71.3 sec 307 m/s 62.8 deg
45.0 deg 20500 meters 77.8 sec 317 m/s
66.4 deg
50.0 deg 20200 meters 83.8
sec 326 m/s 69.4 deg
Armor Penetration - Vertical Belt Armor
(Relative armor quality, 0.85)
Maximum penetration: 35.83 cm
Elevation Range
Belt Deck
1.5 deg 3200 meters
25 cm
2.8 deg 5200 meters
20 cm
5.0 deg 7800 meters
15 cm
7.3 deg 9900 meters
... 2 cm
9.6 deg
11600 meters 10 cm
18.0 deg
15700 meters ... 4 cm
25.1 deg 18000 meters 5 cm
28.1 deg 18700 meters ...
6 cm
40.6 deg 20400 meters
... 8 cm
Maximum range = 20500 meters at 43.6 deg elevation