Drawing S 584-21 made probably made by the Bureau of Construction and Repair while in the same period was the Naval War College examining the potentials of such a ship to be built under the Fiscal Year 1913 as was recommended by the same bureau. Never realized.
Normal displacement 30.000 ton: hull complete 12.850 ton, hull fittings 1.580 ton, protection 7.534 ton, steam engineering 3.960 ton, reserve feed 2/3 supply 432 ton, battery 578 ton, ammunition&ordnance stores 390 ton, equipment&2/3 equipment stored 480 ton, outfit&2/3 stores 600 ton, oil fuel 2/3 supply 1.620 ton and margin-24 ton. Dimensions 800 (water line) x 83 (outside of plating) x 28,5 (mean) feet. Block coefficient 0.555 and longitudinal coefficient .565. The main armament consisted of 18 torpedo tubes to which as secondary armament 16-6” guns were added. The turbines and21 boilers were to supply 64.700 shp and a speed of 27 miles and with a speed of 10 knots a range of 8.000 nautical miles. The armour consisted of a main side belt with a extreme width of 25.5’, depth below waterline 8.5’ and thickness of 13-13.8” and aft 10-10.7”. Fire control tower, conning tower proper and tube heavy 16”, tube light 6”, none uptake protection, protective deck total 120≠. Splinter deck total thickness slopes≠ 80 and flat 60≠
Source the so-called Spring Styles Book 1 (March 1911-September 1925). Naval History and Heritage Command. Lot S-584. 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 is presented to the General Board which adviced the Secretary of the Navy
