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120 mm Italian naval gun : ウィキペディア英語版 | 120 mm Italian naval gun Italian 120 millimetre naval guns were standard main armament on Italian destroyers and were widely used on various other ships and coastal artillery. The 50-calibre guns used a charge of of smokeless powder to push a projectile to a velocity of per second. Velocity was later reduced to per second which gave a maximum range of at 45° elevation or at 35° elevation. Variants of similar designs were built by Ansaldo, OTO, Vickers, Schneider, Canet and Armstrong. Older and shorter-barreled guns have different ballistics as noted below. ==40-caliber Armstrong 1889 and 1891== These were British QF Mark I and III guns used as coastal artillery and as star shell guns aboard ''Littorio''-class battleships.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「120 mm Italian naval gun」の詳細全文を読む
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