Would Admiral-class carriers have been similar to the Lexington class?
Short answerThey would likely be broadly comparable in scale, and their partially completed hulls could have made them excellent carrier conversions.
NotesHull length, beam, deep displacement, boilers, and machinery matter more than a general assumption that all battlecruiser conversions were alike. The projected Admirals and completed Lexingtons fall close enough in scale that an extended British flight deck could produce broadly comparable carriers. Britain would not repeat the American eight-inch-gun choice, leaving more weight and space for aviation purposes. The partially completed Admiral hulls had reached roughly the engine-deck stage, allowing a carrier superstructure to be designed above machinery already in place. That timing makes them more promising conversions than battlecruisers whose completed upper works imposed harder compromises.