This design is part of a whole series of designs for an aircraft carrier with a displacement varying between 10.000-29.250 tons depending on the restrictions of the Washington Treaty of 1922. The design was never realized.
Dimensions 625.0’ (water line) x 68.6’ (waterline) x 20.6’ and a displacement of 13.000 tons. Turbine machinery with 6 boilers divided over 3 boiler rooms supplying 23.400 ehp allowing a speed of 28 knots and with a speed of 10 knots a range of 10.000 nautical miles. Main hangar capacity 11.500 square feet and 17’dk high and stowage 5.280 square feet and 23’ dk high. The armament consisted of 2x3-8” 55cal guns, 4 fixed 21” torpedo tubes, a torpedo defence battery of 4 skins and 8-5” 25cal anti aircraft guns. The armour consisted of a main side belt with a width of 11’.0’, depth below the waterline 5.6’ and a thickness of 2½-3½”. Furthermore was a 1½” thick protective deck and a 3½” thick splinter deck available. Displacement 11.500 (treaty)-13.000 tons (normal): hull 6.830 tons, hull fittings 820 tons, protection 585 tons, steam engineering 925 tons, reserve feed 200 tons, battery 470 tons, ammunition 500 tons, equipment 450 tons, outfit and 2/3 stores 400 tons, fuel oil 2/3 full supply 1.300 tons and a margin of 350 tons.
Source
The so-called Spring Styles Book 1 (March 1911-September 1925). Naval History and Heritage Command. Lot S-584-184. 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.
