moderne u boats is a lot farster under vater then surfased..and its more relaxing for the crew. to stay down.as most systems is optimised to Work dovn under
..so riding up are just for show and political vork..but 26 meters vide and more in height..its just not possibel to go under vaters..
the Photo is the last Danish u boat..germany build in the1960,,..its a sinkel skin type..26 mm at the thinnest at the top side of the tube..and 55 mm at the keel..ve had to cut it in half to transport it..and veld it together ..so it still looks and feels like a boat to visit..just hate those hackers vho cut Things in thin pieces to make easy entre for public..roling thairs have never been for u boat ..