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SpaceX Increasing Raptor Engine Power
The 15 million pounds of thrust is five times the 3 million pounds of the SLS booster which was tested recently.
The first stage of the Saturn V had 7,600,000 pounds-force of thrust.
The Space Shuttle generated a peak thrust of 6,800,000 lbf (30,100 kN).
The Soviet Energia had a liftoff thrust of 7,826,000 lbf (34,810 kN).
The Raptors will have over 380 seconds of ISP for the vacuum version.
The first Raptor Vacuum engine (RVac) for Starship has shipped from SpaceX's rocket factory in Hawthorne, California to our development facility in McGregor, Texas pic.twitter.com/xp2luf6XaI
— SpaceX (@SpaceX) September 5, 2020