Elon Musk @elonmusk
@Erdayastronaut @torybruno @MartianDays @AerojetRdyne Max thrust version of Raptor should achieve true T/W > 170. Target is 1.5 ton engine with >260 t-F. Max Isp version should achieve ~380 sec, but T/W probably <120 due to big nozzle. These are just guesses for now. — PolitiTweet.org