 The secondary armament would have been twenty guns.The propulsion system was to consist of four Parsons steam turbines, driving four screw propellers; speed was to be around .Other specifications of the ships were either never decided upon or have not survived, although according to the naval historians Robert Gardiner and Randal Gray, it is probable that they would had an arrangement similar to British battleships of the period, with two pairs of superfiring turrets, one forward and one aft, with two closely spaced funnels.