X @Elon Musk

RT Dima Zeniuk (@DimaZeniuk)Elon Musk on Starship at X Takeover:• Starship is one of the hardest engineering challenges ever attempted — three times the thrust of Saturn V and fully reusable• Starship is late, but not impossible• The biggest current hurdle is developing a fully reusable orbital heat shield — something no one has done before• The long-term goal is to make Starship cheaper per ton than even an expendable Falcon 1• Next major milestone: orbital refilling — transferring mostly liquid oxygen bet ...