Elon Musk @elonmusk
@Astro_Elliott @LifeboatHQ Once you have rapidly reusable rockets of sufficient size to carry >100 tons of payload, it is not clear that cost per ton to orbit/moon/Mars improves with a larger rocket. Aircraft, for example, have moved away from 747/A380 to 777, which has ~100 tons of payload. — PolitiTweet.org
