Made for the General Board to discuss the need for future cruisers but never realized. Instead was chosen for a design using destroyer design principles resulting in the Omaha scout cruiser #4-class. In 1919 was started to develop a cruiser larger than the Omaha-class which became the Pensacola-class.
Displacement 22,850 tons and as dimensions 800(waterline) x 80(waterline) x 23.6”feet. Block coefficient .536. Longitudinal coefficient .591. Turbine propulsion with 10 boiler rooms. Speed 35 knots. Cruising range at 12 knots=12,000 nautical miles. Horsepower at 35 knots=78,300 ehp. Armament 4-30.5 cm/12” B.L.R. guns, 7-12.7cm/5” quick firing guns, 4-7.62cm/3” anti aircraft guns and neither torpedo tubes or nets. Armour. Main side belt extreme width 17.6, depth below waterline 5.0 and thickness 8”. Total thickness protective deck 1.2”.
Weight summary normal condition:
Hull complete with fittings 10,915
Protection 2,175
Steam engineering 5,000
Reserve feed 2/3 supply 1,045
Battery, ammunition and 2/3 ordnance stores 853
Equipment and 2/3 equipment stores 686
Outfit and 2/3 stores 754
Oil fuel, 2/3 supply 1,422
Normal displacement 22,850
Source
Naval History and Heritage Command. Spring Styles Book I design no. 120.
No comments:
Post a Comment