The General Board specified the technical demands for an aircraft carrier on 24 February 1921 and this specified design was returned on 12 May 1921. As a result of the Washington Treaty of 1922 was this design never realized.
Dimensions 850.0’ (water line) x 94.0’ (waterline) x 29.0’ feet and a displacement of 39.000 tons. Length flying deck around 900 feet. Electric drive machinery with 5 boiler rooms supplying 180.000 ehp allowing a speed of 34 knots and with a speed of 10 knots a range of 10.000 nautical miles. The armament consisted of 8x2-6” guns (8 fore and 8 aft), 2x3-21” torpedo tubes and 12-5” anti aircraft guns. The armour consisted of a main side belt with a width of 12.6’, depth below the waterline 6.0’ and a thickness of 4 (bottom)-7” (above). Conning tower proper 2” and conning tower tube heavy part 2”. Furthermore a 2” thick protective deck over 30’. Displacement 39.000 tons (normal): hull complete 21.875 tons, hull fittings 2.000 tons, protection (vertical, side belt and slopes) 2.000 tons, steam engineering 6.050 tons, reserve feed 500 tons, battery 500 tons, ammunition 405 tons, equipment 475 tons, outfit and 2/3 stores (350+475) 825 tons, aircraft&aircraft stores included 240 tons gasoline 600 tons, fuel oil 2/3 full supply 2.500 tons and a margin of 800 tons.
Source
The so-called Spring Styles Book 1 (March 1911-September 1925). Naval History and Heritage Command. Lot S-584-179 scheme B. 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.
