Tbh it makes sense, the scale of the thing is insane to begin with. I've seen a few inconsistencies and holes (and missed many more no doubt) in the Eisenhorn books but honestly I give it a pass because it's great even with those. The size of the same few spehhs muhrines varies literally every time he mentions/sees any as well, and several times I think he realised after a few chapters that "Bettancore parked the cutter stealthily and remained unseen" means nothing without establishing the size of it... to only then clarify and it's, unsurprisingly, the size of a skyscraper lol