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Hot staging will allow the Ship’s engines to start while the Booster still fires three of its engines.

  Hot staging will allow the Ship’s engines to start while the Booster still fires three of its engines.  This will reduce the gravity losses during the staging event to increase the efficiency and capability of Starship, as it will need less propellant to perform the same task. The upper stage of the next flight, Ship 25, is still parked at the rocket garden near the production site. After a Static Fire of three sea-level and three vacuum Raptors, the Ship was transported back to the production area. This might be related to more work performed on it, or SpaceX just wanted to protect the upper stage during the Static Fire campaign of Booster 9, moving it away from the high-energy event. https://twitter.Com/NASASpaceflight/status/1689457063687073793 In the night from Wednesday to Thursday, the last of the water tanks for the new deluge system also arrived at Boca Chica. These tanks are part of a new tank farm built explicitly for the new system. The tanks are filled with water...
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After the test, SpaceX moved quickly as the Booster was removed from the Orbital Launch Mount just hours later.

  After the test, SpaceX moved quickly as the Booster was removed from the Orbital Launch Mount just hours later.  It was then moved down Highway 4 and returned to the Production Site for further work and inspection. Should the potentially malfunctioning Raptors need replacement, SpaceX could also perform this replacement here. Meanwhile, the Hot Staging ring could also see installation in the Mega Bay once the test article has conducted its structural testing at the Masseys test site. The test article is on the ” Can Crusher device,” which can apply vertical forces onto the ring, just as it would experience during flight. It is installed between a Ship aft section and a Booster forward section to simulate the whole area. At this point, it is unclear if this test article is also the designated section for Booster 9 or if SpaceX might test the ring to fail to fully explore its structural limits before putting another ring on top of Booster 9. With the Ship Quick Disconnect modi...
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