Pennsylvania-class
Design New Mexico dated 8-10-1913
Tennessee-class
Dimensions 650 (water line) x 95.5 (outside of plating) x 30.0’ (mean) feet and a displacement of 35.500 tons. Block coefficient 0.667, Longitudinal coefficient 0,681. Midship section coefficient 0.980. Armament 4x2-16” breech loading guns, 22-5” quick firing guns and 4 submerged torpedo tubes. The turbine machinery and 12 boilers (divided over 3 rooms) supplied 38.000 ihp allowing a speed of 21 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 17’4 5/8”, depth below waterline 8.6’ and a thickness of 16”, 8-16”, barbettes 5.25” (light)-15” (heavy part), turrets 6” (roof)-10.5” rear)-10/11” (sides)-21” (port), conning tower proper 16”, fire control 16”, conning tower tube 6 (light)-15” (heavy), uptake protection 13”, protective deck total 140# and splinter deck total thickness 80# and 60#.
Normal displacement of 35.500 tons: hull complete 14.754 tons, hull fittings 1.560 tons, protection 10.178 tons, steam engineering 2.550 tons, res. feed 2/3 supply 222 tons, battery 1.350 tons, ammunition &2/3 ordinance stores 1.277 tons, equipment&2/3 equipment stores and outfit&2/3 stores 1.155 tons, oil fuel 2/3 supply 1.651 tons and 803 tons margin.
Source
The so-called Spring Styles Book 1 (March 1911-September 1925). Naval History and Heritage Command. Lot S-584-32. 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.
Note
1. Nicknamed “The Queen’. Ordered in 1914 was she laid down at the New York Navy Yard on 14 October 1915, launched on 13 April two years later while christened by Miss Margaret Cabeza De Baca and a year later on 20 May 1918, at Philadelphia between March 1931-January extensively modernized, decommissioned on 19 June 1946 was she on 25 February of the next year stricken. Her scrapping started on 24 November and was July 1948 finished. With a clipper bow. Of the New Mexico-class with as sister ships the Idaho and the Mississippi, which succeeded the Pennsylvania-class and which was at her turn succeeded by the Tennessee-class. The reason that the New Mexico-class was nothing more than an improved design of her predecessor instead of a complete new for a 12-140,5cm battleships was lacking enough budget which was denied by Secretary of Navy Josephus Daniels.
