Drawing S 584-38 made by the Bureau of Construction and repair for a battleship to be built under fiscal year 1915. For this design was another design (S584-041) used but now instead of 4x3-14” gun turrets to be armed with 4x2-14” guns turrets. It was a preliminary design for the New Mexico-class (1) battleships based on a modified Pennsylvania-class design.
Dimensions 590 (waterline) x 92 (outside of plating)-28’6” (mean). Block coefficient 668 and longitudinal coefficient 662 ton. With a displacement of 29.500 ton: hull complete 12.826 ton, hull fittings 1.365 ton, protection 7.504 ton, steam engineering 2.453 ton, res. feed 2/3 supply 214 ton, battery 1.279 ton, ammunition&2/3 ordnance stores 1.130 ton, equipment+2/3 equipment and outfit+2/3 stores 1.055 ton, oil fuel 2/3 supply 1.486 ton and margin 188 ton. The armament was to consist of 4x2-36cm/14”breech loading guns, 20-6” guns and 6-53cm/21” torpedo tubes. The turbines were to allow a speed of 21 knots and with a speed of10 knots a range of 8.000 nautical miles. The armour consisted of a main side belt with an exterior width of 17’-4 5/8”, depth below water line 8’6” and a thickness pf 13½”-13½”-8”. The barbettes were protected by 3”S.T.S. (light parts)-13” (heavy parts). Gun turrets were protected by 5”(roof)-9” (ear(-9/10” (sides)-18” (port). Fire control tower protected by 16”. Conning tower proper and tube heavy 16”, conning tower tube light 6”. Uptake protection 13”. Protective deck total 120≠ and splinter deck total thickness 60≠ and 80≠.
Note
1.The New Mexico (BB-40) was laid down at the New York Navy Yard on 14 October 1915, launched on 13 April 1917 and commissioned on 20 May 1918.
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.
