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BB-65-4 Design Study

This is one of the Montana class preliminary designs. It's called BB-65 becose this was before the ordering of the USS Illinois BB 65 and USS Kentucky BB 66 ,the last pair of Iowa class ships.

I used the Naval Historical Center's image as sample:

Preliminary design plan prepared for the General Board as part of the process leading to the Montana class (BB-67--71) battleship design.
This plan, dated 14 February 1940, is for a ship of 54,500 tons standard displacement and 64,500 tons trial displacement, with a main battery of twelve 16"/50 guns, a secondary battery of twenty 5"/54 guns and a 150,000 horsepower powerplant for a speed of 28 knots. Ship's dimensions are: waterline length 870'; waterline beam 114'; draft 36'. Scale of the original drawing is 1/32" = 1'.
Port side 5" gun arrangement is labeled "previous secondary battery arrangement". Starboard side has a "proposed secondary battery arrangement."
Protection against 16" super heavy shells (2700lb- 1225 kg) between 20-30kyards