French 240mm/50 model 1927
Caliber = 24.0 cm (9.4 inch)
Shell weight = 250 kg (551 lbs)
Muzzle velocity = 766 m/s (2512 fps)
Relative ballistic performance: 0.95
Muzzle energy = 73.292 megajoules = 27008.1 foot-tons
Relative muzzle energy: 1.00
Barrel length: 50 calibers
Elevation Range
Time Velocity Fall Angle
2.5 deg 4600 meters
6.7 sec 642 m/s 2.9 deg
5.0 deg
8400 meters 12.9 sec 561 m/s 6.2 deg
7.5 deg 11400 meters 18.8 sec 505 m/s
9.9 deg
10.0 deg 14100 meters 24.5
sec 464 m/s 14.0 deg
12.5 deg
16400 meters 29.9 sec 436 m/s 18.1 deg
15.0 deg 18400 meters 35.1 sec 417 m/s
22.2 deg
20.0 deg 21800 meters 45.0
sec 395 m/s 30.2 deg
25.0 deg
24600 meters 54.4 sec 390 m/s 37.5 deg
30.0 deg 26800 meters 63.3 sec 393 m/s
43.8 deg
35.0 deg 28500 meters 71.8
sec 402 m/s 49.2 deg
40.0 deg
29500 meters 79.9 sec 413 m/s 54.0 deg
45.0 deg 30000 meters 87.4 sec 426 m/s
58.0 deg
50.0 deg 29700 meters 94.5
sec 438 m/s 61.8 deg
Armor Penetration - Vertical Belt Armor
(Relative armor quality, 0.95)
Maximum penetration: 52.40 cm
Elevation Range
Belt Deck
1.5 deg 3000 meters
45 cm
2.9 deg 5300 meters
40 cm
4.0 deg 7000 meters
... 2 cm
4.7 deg
8000 meters 35 cm
7.2 deg
11100 meters 30 cm
7.9 deg
11900 meters ... 4 cm
10.7 deg 14800 meters 25 cm
12.8 deg 16700 meters ...
6 cm
16.4 deg 19500 meters
20 cm
18.5 deg 20900 meters
... 8 cm
22.9 deg
23500 meters ... 10 cm
26.7 deg 25400 meters 15 cm
27.3 deg 25700 meters ...
12 cm
31.9 deg 27500 meters
... 14 cm
36.7 deg
28900 meters ... 16 cm
41.8 deg 29800 meters ...
18 cm
46.2 deg 30000 meters
10 cm
47.1 deg 30000 meters
... 20 cm
Maximum range = 30000 meters at 45.7 deg elevation