Design S584-175 (Spring Styles Book 1911-1925) dated from 14 March 1921 and was based on the design S584-174 of 28 February 1921 for what became the Pensacola (CL-24) class (1) designs handed over to the General Board in March 1921. Design not executed. Displacement 10.750 tons and as dimensions 610 (waterline) 57‘0“ x 20’75”. Freeboard maximum at stem 29’, A.P. 14’and total depth at M.P. measured at of uppermost strength DK 37‘. Metacenter above base 25,00, C. of G. above base 20,71 and G.M. 4,29. Speed 33 knots and with a speed of 10 knots a range of 8.000 nautical miles. The horsepower delivered by red. gear turbines and the 12 boilers divided over 4 boiler rooms was 48.000 ehp. The armament was to consist of 4x2-8” guns, 4-5” short anti aircraft guns and 2x3-21” torpedo tubes. Barbettes not protected by armour, a 3” protective deck and a 3” thick splinter deck above the magazines.
Displacement 12.750 tons: hull no protection 4.465 ton, hull fittings 528 ton, protection (all) 1.335 ton, steam engineering 1.632 ton, 2/3 reserved feed 100 ton, battery 400 ton, ammunition 247 ton, equipment 242 ton, outfit and 2/3 full supply 322 ton, fuel oil 2/3 full supply 950 ton and margin 529 ton. Coefficients at normal displacement: longitudinal 0,58, midship 0,915 and displacement: length 47,4.
Note
1. Laid down at the New York Navy Yard on 27 October 1926, launched on 25 April 1929, commissioned on 6 February 1930 and used as target ship in 1948. Classified as heavy cruiser with a standard displacement of 9.200 and an armament of 2x3+2x2-20,3cm/8” guns.
