Translate
Thursday, 1 September 2016
Preliminary design for an American battle cruiser dated 12 October 1912
Two battle cruisers were to be realized under the Fiscal Year 1914 program as the General Board proposed. This proposal added by demands of the navy staff was sent to the Secretary of Navy on 19 October 1913 but not taken over. Under this fiscal year was just for one capital ship –the USS Arizona- asked. Not earlier as under the Fiscal Year 1917 was came a budget available for building battle cruisers.
Dimensions 920 (water line) x 97 (outside of plating) x 30.5’ (mean) feet and a displacement of 42.250 tons. Block coefficient 0.555. Armament 4x2-14” breech loading guns, 16-6” quick firing guns and 8-21” submerged torpedo tubes. The turbine machinery and 28 boilers (divided over 7 boiler rooms) supplied around 95.000 ihp allowing a speed of 29 knots and with a speed of 10 knots a range of 8.000 nautical miles.
The armour consisted of a main side belt depth below waterline 8.6’ and a thickness of 10” and 7-10”, barbettes 2½” (light)-9” (heavy part), turrets 3.5” (roof)-6” rear)-6/7” (sides)-11” (port), conning tower proper 12”, fire control 12”, conning tower tube 4 (light)-12” (heavy), uptake protection 50# S.T.S., protective deck amidships 3” S.T.S. over 20#mild, ends 2” S.T.S/ over 20# mild, splinter deck total thickness 40# S.T.S. over 20# mild and percentage waterline protected .793.
Normal displacement of 42.250 tons: hull complete 18.300 tons, hull fittings 1.860 tons, protection 8.935 tons, steam engineering 6.000 tons, res. feed 2/3 supply 635 tons, battery 1.240 tons, ammunition &2/3 ordinance stores 1.070 tons, equipment&2/3 equipment stores 615 tons, outfit&2/3 stores 700 tons and oil fuel 2/3 supply 2.895 tons.
Source
The so-called Spring Styles Book 1 (March 1911-September 1925). Naval History and Heritage Command. Lot S-584-024. Preliminary designs prepared by mostly civilians working at the Bureau of Construction and Repair (succeeded by the Bureau of Ships nowadays the Naval Sea Systems Command) under supervision of naval architects of the Navy Construction Corps. A major part of the drawings was presented to the General Board which advices the Secretary of the Navy.