4 ms·

The weight savings comes from the material it's made of. From their website: "Cargoshell is manufactured from composites and therefore much lighter than a stee

• borism 17y ago
  and that's where higher price comes in as well. why not make collapsible metal container? (if it's needed at all)
  • jhgfgbhn 17y ago
    Because it would necessarily be heavier and more expensive than a regular container. Regular containers have been optimized to be about as cheap as possible while meeting the specs. If you also want to make it fold you are going to have to use stronger material in parts - plus things like the doors are going to be very difficult. So you are likely to have a container that costs more, is heavier, isn't waterproof or as secure and is more expensive to handle. It's only benefit is lower volume for the return leg - volume isn't a big problem for ships. It's like building a convertible - it always ends up heavier more expensive and less stiff than a regular car.