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ECONOMY OF MARINE TURBINES
37
The improvement in efficiency resulting from the successive modifications and improvements in the proportions of turbines, and also arising from the increase in the size is shown by the particulars given in the Table opposite.
Table II on this page gives corresponding data in regard to marine turbines.
| Date | Name of Ship | Length | Displacement | H.P. | Steam consumption per S.H.P. per hr. for all purposes | Speed in knots |
|---|---|---|---|---|---|---|
| ft. | tons | lb. | ||||
| 1897 | "Turbinia" | 100 | 44½ | 2,300 | 15 | 32.75 |
| 1901 | "King Edward" | 250 | 650 | 3,500 | 16 | 20.48 |
| 1905 | H.M.S. "Amethyst" | 360 | 3,000 | 14,000 | 13.6 | 23.63 |
| 1906 | H.M.S. "Dreadnought" | 490 | 17,900 | 24,712 | 15.3 | 21.25 |
| 1907 | "Mauretania" & "Lusitania" | 785 | 40,000 | 74,000 | 14.4 | 26.0 |
Many warships are now being fitted with installations with double and treble turbines in series on the steam and exceeding the
