I.M.S., sq. ft. | 1,560 | 1,287 | 1,000 | 744 | 438 | 392
Speed of ship, | | | | | |
knots. | 16.92 | 17.21 | 18.75 | 18.18 | 16.91 | 17
I.H.P. |11,610 |10,180 | 8,500 | 6,160 | 3,115 | 3,045
Revolutions per | | | | | |
minute. | 107.2 | 88 | 120 | 122.6 | 150.4 | 132.1
| | | | | |
Pitch of | 19 ft | 22 ft | 18 ft | 17 ft | 12 ft | 14 ft
screw. | 5 in | | 9 in | 6 in | 7½in | 9 in
| | | | | |
Slip. per cent | 17.6 | 10 | ... | 14.2 | 9.7 | 11.4
| | | | | |
Diameter of | 15 ft | 18 ft | 14 ft | 13 ft | 10 ft | 11 ft
screw. | 6 in | | 6 in | | 6 in |
| | | | | |
Diameter of | 4 ft | 4 ft | 3 ft | 3 ft | 2 ft | 2 ft
boss. | 4 in | 11 in | 9 in | 5 in | 9 in | 10 in
Number of blades | 4 | 4 | 3 | 3 | 3 | 3
Blade area of one | | | | | |
screw. | 72 | 87 | 60 | 47 | 24 | 24
Shape of blade. |Fig. 2.|Fig. 3.|Fig. 2.|Fig. 2.|Fig. 4.|Fig. 4
Pitch | | | | | |
---------- | 1.25 | 1.22 | 1.3 | 1.34 | 1.2 | 1.34
Diameter | | | | | |
Disk | | | | | |
-------- | 2.62 | 2.92 | 2.75 | 2.82 | 3.6 | 3.96
Blade area | | | | | |
Immersion of | 9 ft | 5 ft | | 4 ft | 2 ft | 1 ft
screw. | | 3 in | .... | 4 in | 9 in | 10 in
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