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Path: news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail From: Cryptoengineer <petertrei@gmail.com> Newsgroups: rec.arts.sf.written Subject: =?UTF-8?Q?Re=3A_=E2=80=9CSpaceX_reached_space_with_Starship_Flight_?= =?UTF-8?Q?9_launch=2C_then_lost_control_of_its_giant_spaceship_=28video=29?= =?UTF-8?B?4oCd?= Date: Tue, 3 Jun 2025 15:05:52 -0400 Organization: A noiseless patient Spider Lines: 63 Message-ID: <101nh2g$7bfs$1@dont-email.me> References: <10184um$3ftoa$1@dont-email.me> <101980a$3pm7g$3@dont-email.me> <101ae3d$1iap$1@dont-email.me> <101cpho$j7sd$1@dont-email.me> <101l20f$3gkee$3@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Injection-Date: Tue, 03 Jun 2025 21:05:53 +0200 (CEST) Injection-Info: dont-email.me; posting-host="0695d7d063af86f9a582bcd735c89aca"; logging-data="241148"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/1SYj9a0/Mi6qVzlwGg1bW0+309lTNHlg=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:RMBe+MUd6jQTjG+Un5B8HE84DnM= In-Reply-To: <101l20f$3gkee$3@dont-email.me> Content-Language: en-US On 6/2/2025 4:36 PM, Lynn McGuire wrote: > On 5/30/2025 12:23 PM, Cryptoengineer wrote: >> On 5/29/2025 3:55 PM, Lynn McGuire wrote: >>> On 5/29/2025 4:05 AM, Robert Carnegie wrote: >>>> On 29/05/2025 00:07, Lynn McGuire wrote: >>>>> “SpaceX reached space with Starship Flight 9 launch, then lost >>>>> control of its giant spaceship (video)” >>>>> >>>>> https://www.space.com/space-exploration/launches-spacecraft/spacex- >>>>> launches-starship-flight-9-to-space-in-historic-reuse-of-giant- >>>>> megarocket-video >>>>> >>>>> “SpaceX launched its Starship megarocket for the ninth time ever >>>>> today (May 27), on a bold test flight that featured the first-ever >>>>> significant reuse of Starship hardware.” >>>>> >>>>> “Starship‘s two stages separated as planned on Flight 9, and the >>>>> upper stage even reached space, which was an improvement over the >>>>> giant vehicle’s most recent two flights. But SpaceX ended up losing >>>>> both stages before they could accomplish their full flight goals.” >>>>> >>>>> “”Starship made it to the scheduled ship engine cutoff, so big >>>>> improvement over last flight!” SpaceX CEO Elon Musk wrote on social >>>>> media after the flight. “Leaks caused loss of main tank pressure >>>>> during the coast and re-entry phase. Lot of good data to review.” >>>>> Musk said the next three Starship test launches could lift off >>>>> every three to four weeks in the days ahead.? >>>>> >>>>> Bummer. >>>> >>>> Next they're going to explode when they >>>> come down. Has this been thought through? >>> >>> This is engineering development at its finest. Simulation only gets >>> you so far. >>> >>> SpaceX is working an incredibly complicated problem. Weight versus >>> fuel and thrust. The materials are also a serious complication as >>> the temperature of outer space is extremely variable from cryogenic >>> to hot (the unfiltered Sun shining on parts). >> >> SpaceX fully expected to lose the booster on the way down. They were >> testing using a higher angle of attack approach to reduce required >> fuel, and also intended to simulate loss of a atmospheric engine >> on the way down, to see if one in the outer ring could compensate. >> >> The (different) problems that led to the loss of Starship on flights >> 7 and 8 appear to be solved, but a leak in one of the fuel tanks led >> to a loss of pressurization, making attitude control impossible. >> >> The door for the 'pez dispenser' to release satellites didn't work, >> not clear why. >> >> pt > > The new version 3 Starlink satellites are huge, the size of a 737 > according to Musk. > > Lynn > Cite? They have to fit in Starship's 9m wide cargo bay. pt