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"Then we have to provide a stamp-mill, turbines, flumes and dam; and, though Mr. Weston suggests a wood-burning engine to supply the crushing power, the saving effected would be no great matter. The point is that we now discover that the cost of these things will in one way or another be nearly double what we stated in our prospectus." "That," said Wannop, dryly, "isn't altogether unusual."
Turret Armor 12 inches 12 inches Battery armor 6 in. 6-1/2 in. Smoke stack protection 6 inches 9-1/2 inches l2-inch guns Ten Ten 5-inch guns Fourteen Sixteen Speed 21 knots 20.75 knots The Florida has Parsons turbines working on four shafts and generates 28,000 horse-power.
I am no sailor, but it did not take a professional eye to see that the Argos was a jewel of a boat. Of her seagoing qualities I knew nothing except by repute, but her equipment throughout was of the best. She was a three-masted schooner with two funnels, fitted with turbines and Yarrow boilers. To get eighteen knots out of her was easy, and I have seen her do twenty in a brisk wind.
Chow's tasty meals helped break the monotony. It was the following day when they reached the missile search area. Tom surfaced the Sea Hound and reversed blade pitch, then gunned the rotor turbines for an aerial reconnaissance flight, while the jetmarine and the other seacopter stood by in the water. "Brand my guppies, it's some ocean, eh, boss?" Chow remarked in an awed voice.
Some of the boats, however, have steam engines, others gasoline motors, and still others steam turbines. The cruising range of the biggest and newest boats is 4000 miles. Armament varies with size, of course, the latest boats carrying 4 torpedo tubes for eight 18-inch torpedoes and two 14-pdr. quick-firing, high angle, disappearing guns.
Still the clear dark holds up unblemished. We have made eight thousand feet since we pithed the tramp and our turbines are giving us an honest two hundred and ten knots. Very far to the west an elongated blur of red, low down, shows us the North Banks Mark Boat.
James B. Francis in 1857, and his elaborate report, gave to hydraulic engineers a vast store of useful data, and since that period much progress has been made in the construction of turbines, and literature on the subject has become very complete.
As soon as the throttle is shut, stop the condenser, or, in the case where one condenser is used for two or more turbines, close the valve between the turbine and the condenser. Also open the drains from the steam strainer, etc. This will considerably reduce the time the turbine requires to come to rest. Still more time may be saved by leaving the field current on the generator.
So far as concerns theory, the older turbines were restricted to such imperfect results of impact and reaction as might be obtained by turning a stream at right angles to its original course; and the more scientific of modern turbine constructors may fairly claim credit for an innovation by which practice gave better results than theory seemed to warrant; and the consideration of this aspect of the question will form the concluding subject of the present paper.
Not until after the translation of Captain Morris' work on turbines by Mr. E. Morris in 1844, was attention in America directed to the advantages which these motors possessed over the gravity wheels then in use. A duty of 75 per cent. was then obtained, and a further study of the subject by a most acute and practical engineer, Mr. Boyden, led to various improvements upon Mr.
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