The mariners' handbook; a convenient reference book for navigators, yachtsmen, and seamen of all classes (1906)
International Correspondence Schools, Roden, Ernest Konrad, 1866-, International Correspondence Schools. Pocketbook · Scranton, Pa. : International Textbook Co. · leaf 270
g thrown oflf by themotion of the ship through the water, thus spoiling the aim. The Torpedo Director.—The aiming of a torpedo from an-joving ship to strike another moving ship calls for quick TORPEDOES 233 and accurate estimate of the speed, course, and distance ofthe enemy, and accurate knowledge… … Fig. of a triangle. To fire directly at a ship i mi. distant andmoving 15 kn. would result in missing the mark by hun-dreds of yards. The torpedo must be aimed ahead of himbv an amount at which it will not do to guess. To solve 234 TORPEDOES the problems graphically, the torpedo director. Fig. 7,…
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