Design no. 108. ©Warshipsresearch.blogspot.com
New Mexico-class. ©Warshipsresearch.blogspot.com
Tennesse-class. ©Warshipsresearch.blogspot.com
Colorado-class. ©Warshipsresearch.blogspot.com
This was a potential change of the characteristics for battleship No. 43 (Tennessee-class consisting of Tennessee and California) to be built under the Fiscal Year 1916 program with the Secretary of the Navy ordering on 30 July 1914 that the design was to be identical to the preceding No. 40-class (New Mexico-class consisting of New Mexico-Mississippi-Idaho) although slower. The Tennessee-class was succeeded by Colorado-class (consisting of Colorado, Maryland, West Virginia and the never completed Washington).
Dimensions 580 (waterline) x 97.6 (waterline) x 30.0 feet. Displacement 41,400 tons. Block coefficient .648. Longitudinal coefficient .660. Speed 20.5 knots with as horsepower 31,000 shp. Cruising radius 10 knots/31,000 miles. Turbine propulsion with 3 boiler rooms. Armament 4x3-35.56cm/14” 50 cal BLR guns, 22-12.7cm/5” cal 51 quick firing guns, 4-7.62cm/3” 50 cal anti aircraft guns and 3-53.34cm/21” torpedo tubes. Armour. Main side belt 17.0 (extreme with)-8.6 (depth below waterline) and thickness 13.5-13.5-8”. Armour barbettes “thickness 13 (heavy part)-4.5 (light part). Turrets thickness 18 (port)-10/9 (sides)-5 (top)-9’ (rear). Conning tower proper thickness 16 and top 8”, tube thickness heavy part 16”, light part 6”. Uptake protection thickness 15-12-9”. Total thickness protective deck 140”. Splinter deck 80”slope, 60”flat.
Weight summary normal condition
Hull complete and fittings 14,911
Protection 8,357
Steam engineering 2,157
Reserve feed 2/3 supply 176
Battery 1,300
Ammunition and 2/3 ordnance stores 1,415
Equipment and 2/3 equipment stores 445
Outfit and 2/3 stores 608
Oil fuel 2/3 full supply 1,428
Normal displacement 31,400 tons
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