French 340mm/45
Caliber = 34.0 cm (13.4 inch)
Shell weight = 575 kg (1267 lbs)
Muzzle velocity = 794 m/s (2603 fps)
Relative ballistic performance: 1.00
Muzzle energy = 181.1 megajoules = 66727.2 foot-tons
Relative muzzle energy: 0.87
Barrel length: 45 calibers
Elevation Range
Time Velocity Fall Angle
2.5 deg 5000 meters
6.9 sec 678 m/s 2.8 deg
5.0 deg
9200 meters 13.4 sec 599 m/s 6.0 deg
7.5 deg 12600 meters 19.7 sec 542 m/s
9.7 deg
10.0 deg 15600 meters 25.6
sec 502 m/s 13.5 deg
12.5 deg
18300 meters 31.3 sec 473 m/s 17.5 deg
15.0 deg 20600 meters 36.9 sec 453 m/s
21.6 deg
20.0 deg 24600 meters 47.4
sec 431 m/s 29.3 deg
25.0 deg
27900 meters 57.4 sec 425 m/s 36.3 deg
30.0 deg 30600 meters 67.0 sec 429 m/s
42.6 deg
35.0 deg 32600 meters 76.0
sec 439 m/s 47.8 deg
40.0 deg
34000 meters 84.7 sec 451 m/s 52.5 deg
45.0 deg 34600 meters 92.8 sec 465 m/s
56.7 deg
50.0 deg 34400 meters 100.4 sec
478 m/s 60.5 deg
Armor Penetration - Vertical Belt Armor
(Relative armor quality, 0.90)
Maximum penetration: 72.65 cm
Elevation Range
Belt Deck
1.2 deg 2600 meters
65 cm
2.3 deg 4600 meters
60 cm
3.0 deg 6000 meters
... 2 cm
3.4 deg
6600 meters 55 cm
4.8 deg
8900 meters 50 cm
5.6 deg
10000 meters ... 4 cm
6.6 deg 11500 meters 45 cm
8.3 deg 13700 meters ...
6 cm
8.9 deg 14400 meters
40 cm
11.6 deg 17400 meters
... 8 cm
11.9 deg
17700 meters 35 cm
16.2 deg
21700 meters 30 cm
16.3 deg
21700 meters ... 10 cm
19.5 deg 24200 meters ...
12 cm
22.4 deg 26300 meters
... 14 cm
22.8 deg
26500 meters 25 cm
25.4 deg
28200 meters ... 16 cm
28.5 deg 29900 meters ...
18 cm
31.7 deg 31300 meters
... 20 cm
33.2 deg
32000 meters 20 cm
34.9 deg
32600 meters ... 22 cm
38.1 deg 33500 meters ...
24 cm
41.6 deg 34300 meters
... 26 cm
45.0 deg
34600 meters ... 28 cm
48.2 deg 34600 meters 15 cm
48.8 deg 34500 meters ...
30 cm
Maximum range = 34600 meters at 46.3 deg elevation
