3 ms·

There are lighter materials but apparently they're more expensive and harder to work with, so steel ended up winning the cost/benefit analysis. There's been am

• bombcar 6y ago
  I think the real reason is Elon Musk wants Buck Rogers style spaceships and will do whatever necessary to get there.
  • bigbubba 6y ago
    Probably not, SpaceX invested a lot of time and effort into composite tanks before giving that up.
  • bryanlarsen 6y ago
    Having product that appeals to his not-so-hidden inner thirteen year old boy is definitely a motivation for Elon Musk. Exhibit A: cybertruck. Actually getting to Mars is a higher priority, though.
    • nerpderp82 6y ago
      Exhibit A', flame thrower.