. The railroad and engineering journal . ssel, guns, electricengines, signals, masts and rigging, ; total, 145 tons. The trials of these boats were made in the Baltic, nearPillau, the course being defined by fixed landmarks placed19 miles apart. Each boat ran at full power for threehours, and the following results are given : Aquila, tried July 28, 1888. Strength of wind, 4, withstrong running sea ; mean speed, knots. Sparviero, tried August 6, 188S. Wind, 3 ; mean speed, knots. Nibbio, tried August 22, 1888. Wind, 2 ; mean speed, knots. The horse-power is stated to have been
. The railroad and engineering journal . ssel, guns, electricengines, signals, masts and rigging, ; total, 145 tons. The trials of these boats were made in the Baltic, nearPillau, the course being defined by fixed landmarks placed19 miles apart. Each boat ran at full power for threehours, and the following results are given : Aquila, tried July 28, 1888. Strength of wind, 4, withstrong running sea ; mean speed, knots. Sparviero, tried August 6, 188S. Wind, 3 ; mean speed, knots. Nibbio, tried August 22, 1888. Wind, 2 ; mean speed, knots. The horse-power is stated to have been about 2,000 indi-cated, and the engines worked without any hitch at anaverage speed of from 320 to 325 revolutions per boats are said to have turned in a circle of 300 metersby using the twin screws. In the illustrations, fig. i is a general view of one ofthese vessels. Figs. 2, 3, and 4. are respectively a longi-tudinal section, a plan with deck removed and a deck planof the same vessel. In fig. 5 we give indicator diagrams. FIRST-CLASS TORPEDO BOAT FOR THE ITALIAN NAVY. Italian Government. Their names are Aquila, Sparviero,Nibbio, Fatko, and Avoltoio. The following particularsof these vessels have been supplied to us : They are long (151 ft. 8 in.) and meters wide (17 ft.)The draft of water is meters (7 ft. 5 in.). The hull isdivided into 12 water-tight compartments, there beingalso longitudinal bulkheads. The vessel will continueafloat if all compartments forward of the boiler are filledwith water. Each vessel is fitted with two locomotive type marineboilers with 1,700 sq. ft. of heating surface, and two setsof triple-compound engines. The latter are placed amid-ships, while the boilers are placed fore and aft, the pro-peller shafts passing at the side of the after boiler. Thecylinders are 17 in., 26 in., and 37 in. in diameter by 17 The total horse-power developed by the enginesis set down at about 2,200 indicated ; the boiler press
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectrailroa, bookyear1887
