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SpaceX completes investigation into Starship Flight 7 mishap

SpaceX completes investigation into Starship Flight 7 mishap
February 25, 2025


WASHINGTON — Propellant leaks created through an all of a sudden sturdy harmonic reaction brought about the lack of SpaceX’s Starship automobile on a take a look at flight final month as the corporate prepares for its subsequent release.In a remark launched Feb. 24, SpaceX supplied new information about the 7th Starship/Tremendous Heavy take a look at flight Jan. 16, which ended with the Starship higher level breaking aside over the Caribbean.In keeping with SpaceX, there used to be a flash within the aft phase, or “attic,” of Starship close to certainly one of its six Raptor engines about two mins after the automobile separated from the Tremendous Heavy booster. That used to be adopted through a force upward thrust within the phase that instructed there used to be a propellant leak.A moment flash adopted about two mins later, and then there have been “sustained fires” within the attic. “Those ultimately brought about all however certainly one of Starship’s engines to execute managed close down sequences and in the end resulted in a lack of verbal exchange with the send,” the corporate said, with the final telemetry won about 8 mins and 20 seconds after liftoff.SpaceX famous that telemetry used to be misplaced earlier than the independent flight termination device at the automobile used to be brought about. That device as a substitute activated about 3 mins after the lack of communications with the automobile.The corporate concluded that essentially the most possible purpose for the lack of Starship used to be a “harmonic reaction a number of instances more potent in flight than have been noticed throughout trying out, which resulted in larger tension on {hardware} within the propulsion device.” That larger tension brought about propellant leaks that would now not be totally vented from the attic and allowed the fires that resulted in the engine shutdowns.As a part of the investigation, SpaceX carried out a longer static hearth of the Starship constructed for the following undertaking, Flight 8, firing its engines for 60 seconds within the Feb. 12 take a look at.“The 60-second firing used to be used to check a couple of engine thrust ranges and 3 separate {hardware} configurations within the Raptor vacuum engine feedlines to recreate and deal with the harmonic reaction noticed throughout Flight 7,” the corporate said. “Findings from the static hearth knowledgeable {hardware} adjustments to the gasoline feedlines to hoover engines, changes to propellant temperatures, and a brand new running thrust goal that might be used at the upcoming flight take a look at.”SpaceX stated it’s also including vents and a gaseous nitrogen purge device to scale back the flammability of the attic phase of the present model of Starship.SpaceX is shifting forward with the following Starship undertaking, Flight 8. This is scheduled to release once Feb. 28 from the corporate’s Starbase web page at Boca Chica, Texas, pending the Federal Aviation Management’s approval of SpaceX’s investigation into Flight 7.SpaceX stated that Flight 8 could have lots of the similar targets of Flight 7 that weren’t demonstrated, together with deploying 4 mass simulators of next-generation Starlink satellites as a take a look at of the automobile’s payload deployment device. Starship may also take a look at new applied sciences to offer protection to it throughout reentry, akin to metal tiles with energetic cooling.As with the former flight, SpaceX will strive a “catch” of the Tremendous Heavy booster again on the Starbase release tower. The booster contains adjustments akin to upgraded avionics and tool distribution methods, in addition to an improve to igniters for the Raptor engines to deal with a subject matter on Flight 7 the place certainly one of 13 engines close down at ignition throughout its boostback burn to go back to the release web page.“Starship’s 7th flight take a look at used to be a reminder that developmental development isn’t all the time linear, and placing flight {hardware} in a flight surroundings is the quickest strategy to exhibit how 1000’s of distinct portions come in combination to succeed in area,” SpaceX said in its abstract of Flight 7. “Upcoming flights will proceed to focus on bold objectives within the pursuit of complete and speedy reusability.”

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