THE LIFE OF A GREAT GUN
; Twelve-inch gnus, and those of still larger size, can lire 90 -f'ull charges only, i After that (says Stead's Review of Re- . views) they arc sent to the foundry, whero p they have a now core in.-ertcd, and can ; i fire a furchcr 90 rounds. By the time the I gun has fired 180 rounds (in times of peace). !it is practically obsolete. Only eight full • charge* are iired per annum, for practice „ half charges only are used. These only wear |! out the gun one-eighth as much as' does a , full charge, or even less. Twelve-inch j guns fire projectiles weighing about 8501b, I 15-inch guns uh to 20001b, and the great j , 16.25 guns firo a missile weighing just nLout , a ton ! A 12-inch gun will send a projectile through 3ft of wrought iron at 5??0 yards. Tiie latest German 15-inch gun will perforate 42.5 inches of steel at } its mu7z\o. All modern ships are pcrl forable inside 8000 vards by 12-inch armour piercing shell. This means that, projectiles from the Australia's great guns would " smash through the _ heaviest armour at ' present used at a distance of four and ahalf miles.
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Otago Daily Times, Issue 16188, 25 September 1914, Page 8
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198THE LIFE OF A GREAT GUN Otago Daily Times, Issue 16188, 25 September 1914, Page 8
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