Refurbished French 138mm/45
Caliber = 13.8 cm (5.4 inch)
Shell weight = 43 kg (95 lbs)
Muzzle velocity = 750 m/s (2461 fps)
Relative ballistic performance: 0.95
Muzzle energy = 12.108 megajoules = 4461.7 foot-tons
Relative muzzle energy: 0.87
Barrel length: 45 calibers
Elevation Range
Time Velocity Fall Angle
2.5 deg 4100 meters
6.4 sec 557 m/s 3.1 deg
5.0 deg
7000 meters 12.1 sec 456 m/s 7.0 deg
7.5 deg 9200 meters 17.4 sec 394 m/s
11.5 deg
10.0 deg 10900 meters 22.4
sec 355 m/s 16.4 deg
12.5 deg
12400 meters 27.1 sec 329 m/s 21.3 deg
15.0 deg 13700 meters 31.5 sec 312 m/s
26.1 deg
20.0 deg 15800 meters 39.9
sec 296 m/s 35.4 deg
25.0 deg
17400 meters 47.8 sec 293 m/s 43.4 deg
30.0 deg 18600 meters 55.2 sec 298 m/s
50.1 deg
35.0 deg 19400 meters 62.2
sec 305 m/s 55.5 deg
40.0 deg
19900 meters 68.9 sec 315 m/s 60.1 deg
45.0 deg 20000 meters 75.1 sec 325 m/s
63.9 deg
50.0 deg 19700 meters 81.0
sec 335 m/s 67.3 deg
Armor Penetration - Vertical Belt Armor
(Relative armor quality, 0.95)
Maximum penetration: 27.44 cm
Elevation Range
Belt Deck
1.9 deg 3300 meters
20 cm
4.3 deg 6200 meters
15 cm
8.9 deg 10200 meters
... 2 cm
9.3 deg
10500 meters 10 cm
21.0 deg
16100 meters ... 4 cm
25.8 deg 17600 meters 5 cm
32.5 deg 19000 meters ...
6 cm
46.9 deg 19900 meters
... 8 cm
Maximum range = 20000 meters at 43.6 deg elevation