It's a lot like building a regular boat, but you have to be careful with ballast placement and flotation tanks with pumps, to enable variable bouyancy. Submarines are complicated.
Your upper deck clearly needs to be exceptionally watertight, obviously.
It's a lot like building a regular boat, but you have to be careful with ballast placement and flotation tanks with pumps, to enable variable bouyancy. Submarines are complicated.
Your upper deck clearly needs to be exceptionally watertight, obviously.
(post is archived)