French 381mm/50, on the Richelieu class
Caliber = 38.1 cm (15.0 inch)
Shell weight = 925 kg (2039 lbs)
Muzzle velocity = 796 m/s (2612 fps)
Relative ballistic performance: 1.00
Muzzle energy = 293.2 megajoules = 108052.8 foot-tons
Relative muzzle energy: 1.00
Barrel length: 50 calibers
Elevation Range
Time Velocity Fall Angle
2.5 deg 5200 meters
7.0 sec 701 m/s 2.8 deg
5.0 deg
9600 meters 13.6 sec 633 m/s 5.8 deg
7.5 deg 13400 meters 20.0 sec 581 m/s
9.3 deg
10.0 deg 16700 meters 26.2
sec 543 m/s 12.9 deg
12.5 deg
19700 meters 32.1 sec 515 m/s 16.6 deg
15.0 deg 22400 meters 37.9 sec 495 m/s
20.4 deg
20.0 deg 27000 meters 48.9
sec 473 m/s 27.7 deg
25.0 deg
30900 meters 59.4 sec 467 m/s 34.4 deg
30.0 deg 34000 meters 69.5 sec 471 m/s
40.5 deg
35.0 deg 36400 meters 79.0
sec 480 m/s 45.7 deg
40.0 deg
38000 meters 88.1 sec 493 m/s 50.4 deg
45.0 deg 38800 meters 96.7 sec 507 m/s
54.7 deg
50.0 deg 38600 meters 104.6 sec
520 m/s 58.6 deg
Armor Penetration - Vertical Belt Armor
(Relative armor quality, 1.00)
Maximum penetration: 77.68 cm
Elevation Range
Belt Deck
1.5 deg 3100 meters
70 cm
2.6 deg 5400 meters
65 cm
2.8 deg 5800 meters
... 2 cm
4.0 deg
7900 meters 60 cm
5.1 deg
9800 meters ... 4 cm
5.6 deg 10500 meters 55 cm
7.5 deg 13400 meters ...
6 cm
7.6 deg 13500 meters
50 cm
10.0 deg 16800 meters
45 cm
10.1 deg 16800 meters
... 8 cm
13.2 deg
20500 meters ... 10 cm
13.3 deg 20600 meters 40 cm
17.4 deg 24700 meters ...
12 cm
17.8 deg 25000 meters
35 cm
20.0 deg 27000 meters
... 14 cm
22.6 deg
29100 meters ... 16 cm
24.1 deg 30200 meters 30 cm
25.2 deg 31000 meters ...
18 cm
27.8 deg 32700 meters
... 20 cm
30.5 deg
34300 meters ... 22 cm
33.2 deg 35600 meters ...
24 cm
33.8 deg 35900 meters
25 cm
35.9 deg 36800 meters
... 26 cm
38.7 deg
37700 meters ... 28 cm
41.6 deg 38400 meters ...
30 cm
44.5 deg 38800 meters
... 32 cm
46.2 deg
38900 meters 20 cm
47.5 deg
38800 meters ... 34 cm
Maximum range = 38900 meters at 46.5 deg elevation