SN15 Cryogenic Test successful | Starlink Disc on SN15 | TPS Tiling started on starship | Cursor
This afternoon, SpaceX conducted a cryogenic pressure test of the Starship SN15 prototype at the Starbase launch pad in South Texas. The proof test comes after SN15 underwent a pressure test at ambient temperatures last week. Today, the stainless-steel vehicle was filled with sub-chilled liquid nitrogen to simulate the pressures it will experience during its upcoming flight test and ensure the structure does not have any issues, like leaks. The vehicle should be capable of withstanding a ~6 bar strength, which is the strength required for an uncrewed orbital flight, a bar strength over 8.5 is needed for a crewed flight. During the cryogenic proof test, engineers also utilized a thrust ram to imitate the powerful force of the Raptor engines. SpaceX founder Elon Musk said Starship SN15 features “hundreds of design improvements” across structures, including “avionics/software and engine.” Starship SN15 also features an improved thrust puck design for its Raptor engine trio. Today’s pressure test also assessed the thrust puck’s strength. Starship SN15’s next pre-flight test is expected to be a brief ignition of its methane-fueled Raptor engines to assess their performance. Previous Starship prototypes all had an explosive finale due to an engine-related issue upon landing.
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