§ The most notable vessels proposed to be laid down in 1887–88 are two 20-knot protected cruisers.
§ Their dimensions are:—
|Sped on measured mile, with 400 tons of coal, and fully equipped||20 knots|
|Ocean speed||17 to 18 knots|
|Radius of action at 10-knot||8,000 knots|
§ The vessels will have a protective steel-deck extending from stem to stern, and sheltering the boilers, magazines, steering-gear, &c.
§ Vertical (inverted-cylinder) triple-expansion engines are to be fitted in the steel-bottomed ships, special arrangements of armoured-coamings being built for the protection of that portion of the cylinders.
§ Above the protective steel-deck the space will be minutely sub-divided, coal-bunkers, coffer-dams, &c, being built as is usual in vessels of the "protected" class.
§ A double-bottom on the cellular principle, adapted for water-ballast, will be fitted.
§ The armament will include—
|6||6-in. B.L.R. guns on centre-pivot mountings.|
|9||6-pr. rapid-firing guns. Machine-guns.|
|6||Torpedo-tubes (all under cover).|
§ The bow will be strengthened for ramming in the usual manner,559
§ In all respects the vessels will be made suitable for independent sea-service, and for being driven at high speed in rough water.
§ They will have only fore and aft steadying sails, being dependent upon their steam-power and twin-screws for propulsion.