Around 1911 was the Naval War College studying new kind of ships and the Bureau of Construction & Repair responded in designing a torpedo battleship. The main armament were torpedo tubes added with some heavy guns. Although the Bureau recommended already in 1911 to build a torpedo battleship under the Fiscal Year 1913 program was this never done.
Dimensions 780 (water line) x 87.7 (outside of plating) x 28.5 (mean) feet and a displacement of 30.000 tons. Block coefficient 0.539, Longitudinal coefficient 0,549. Midship section coefficient 0.982. Armament 2x3-14” breech loading guns, 16-6” quick firing guns and 8 submerged 21” torpedo tubes. The turbine machinery and 21 boilers supplied 63.600 ihp allowing a speed of 27 knots and with a speed of 10 knots a range of 8.000 nautical miles.
The armour consisted of a main side belt amidships extreme width 25.5’, depth below waterline 8.5’ and a thickness of 10”& 7-10” and 9”, 7-9” aft barbettes 4” (light)-13” (heavy part), turrets 5” (roof)-9” rear)-9/10” (sides)-18” (port), conning tower proper 16”, fire control 16”, conning tower tube 6 (light)-16” (heavy), protective deck total 120# and splinter deck total thickness slopes 80# and flats 60#.
Normal displacement of 30.000 tons: hull complete 13.466 tons, hull fittings 1.565 tons, protection 6.097 tons, steam engineering 3.900 tons, res. feed 2/3 supply 424 tons, battery 1.932 tons, ammunition &2/3 ordinance stores 858 tons, equipment&2/3 equipment stores 480 tons, outfit&2/3 stores 596 tons, oil fuel 2/3 supply 1.590 tons and -8 tons margin.
Source
The so-called Spring Styles Book 1 (March 1911-September 1925). Naval History and Heritage Command. Lot S-584-19. 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.
