Elon Musk
@elonmusk
Replying to @SidewalkSciGuy
Falcon rocket booster is aluminum-lithium & carbon fiber, which have low max temperature allowables. Super Heavy booster is stainless steel. Since it only goes to around Mach 8 or 9, moreover at high altitude, it needs no heat shield, not even paint.
08:46 PM · March 17, 2019 · 0 views
30
58
1K