In the article it is told the loss of Swedish sail battleship “Vasa” because of the filling by his water through the cannon ports. It is proven that it proved to be is very unstable it could overturn even with the moderate breeze, since theoretical ship building in the century yet it was not formed with the real proportions and XVII century yet it was not formed: structural drawings were not carried out and the mathematical calculations of stability were not done, furthermore the invention of gun port was powerful stimulus for an increase in the firepower of ship, determined at that time by the number of instruments, but for the power it was necessary to pay by safety.
Source: Gonchar A., Katorin Y. (2017). Price of the Royal Whim. Journal of International Network Center for Fundamental and Applied Research. Vol. 4(1): 10-18
Source web-site: http://ejournal36.com/journals_n/1501757429.pdf
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