All the vital portions, such as machinery,
boilers, magazines, and steering gear, are protected by a steel deck
running fore and aft, terminating forward in the ram, of which it
virtually forms a part. Subdivision has been made a special feature in
this type of vessel, and the hull under the upper deck is divided into
nearly 100 water tight compartments. Between perpendiculars the AEolus
measures 300 ft. in length, the extreme breadth being 43 ft. 8 in.,
and moulded depth 22 ft. 9 in., with a displacement of 3,600 tons on a
mean draught of water of 17 ft. 6 in. She will be supplied by Messrs.
Hawthorn, Leslie & Co., of Newcastle on Tyne, with two sets of
vertical triple-expansion engines, capable of developing collectively
9,000 h.p., which is estimated to realize a speed of 19.75 knots. As
vertical engines have been adopted, the necessary protection of the
cylinders, which project above the steel protective deck, is obtained
by fitting an armored breastwork of steel 5 in. thick, supported by a
7 in.
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