SpaceX Raptor Engine 600 Hz Vibration Problem Fixed so Hopper Ready To Hover
7:34pm PDT - July 7th, 2019 optimum - Next Big FutureExciting progress in Boca! Hopper almost ready to hover. Based on tonight’s test, looks like 600 Hz Raptor vibration problem is fixed. pic.twitter.com/9bLWOHG0sV — Elon Musk (@elonmusk) July 7,... [[ This is a content summary only. Visit my website for full l…