- Given two guns of equal penetration at battle ranges, bility of a considerable saving in weight. In Fig. 5 their relative values are as the weight of metal thrown is shown such an arrangement, where the armament . per minute by each. When, however, we are called is gathered into two groups of… … twelve-inch gun equal to 1.7 ten-inch guns, or 3.4 eight- Fig. 5.—Sixteen 12-Inch in Two Groups of Four barbette. The efficiency of the arrangement is accord- inch guns, or 8 six-inch guns, or 0.63 of a fourteen- 2-Gun Turrets. ingly 32 + (16 X 831-3 per cent), or 2.40. inch gun. It is possible to…
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