> there are no modern riveted ships > Cheap aluminum boats are still riveted I think you may need to think out your entire post before typing such contradicti

> there are no modern riveted ships > Cheap aluminum boats are still riveted I think you may need to think out your entire post before typing such contradictions. Riveted hulls worked for hundreds of years and well maintained they can last forever. Just bacause welding makes it cheaper to maintain in the long run does not detract from the fact that riveted hulls are very performant, which is why they were used everywhere that needed not only waterproofing but pressure containment too.