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军士长

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517134622 发表于 2013-5-21 14:28 
肯定得是相同年代的比,比方说德国一战斯佩舰队主力两条装巡主力就是210主炮,但是倍径似乎没有统一,同 ...
8"/45 (20.3 cm) EOC Patterns S, U, U1 and W
Projectile Types and Weights AP - 250 lbs. (113.4 kg)
Muzzle Velocity 1905: 2,480 fps (756 mps)
Elevation With 250 lbs. (113.4 kg) AP Shell
Range @ 30 degrees 19,700 yards (18,000 m)
21 cm/40 (8.27") SK L/40
Projectile Types and Weights
(see Notes 1 and 2) World War I
AP L/2,9 - 238 lbs. (108 kg)
Muzzle Velocity 2,559 fps (780 mps)
Range @ 30 degrees 17,830 yards (16,300 m) |
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