I was also somewhat annoyed reading it. At the fist look, it looks like it will contain some real technical details of some very specific issue. But in fact it

I was also somewhat annoyed reading it. At the fist look, it looks like it will contain some real technical details of some very specific issue. But in fact it just reproduces some seriously-looking diagrams which are very loosely related to the topic, and then the explanation is just: "Henrik Hybertsson just “scaled-up” the dimensions of the original 108-ft ship to meet the length and breadth of the new 135-ft Vasa." "At this point, the Vasa was becoming much wider at the top than the bottom. The ship’s center of gravity was much higher than designed." Duh. And then not a single detail about why would "scaling-up" from 108 to 135ft really disastrously move the center of gravity or anything comparable follows, and there's no any specific analysis of the relevant dimensions of the very ship. So all the diagrams are more the "decoration." At least is is nicely written that the "political wishes" dominated the construction and that it's not known that the proper calculations were performed.