Readers' corrections prompted a second look at dimensions used in the earlier D-class discussion. The initial response attributed the discrepancy to figures for particular subclasses because Whitley's cruiser reference had proved reliable before. Checking the book against other sources showed that explanation could not stand. The correction offers a practical historical-method lesson: even a plausible figure needs an independent check of its units and conversion.
Chapter · 0:04-1:48
Correcting a D-class length error
A follow-up corrects the D-class length figures and shows why even familiar reference books need a second check.