Posts Tagged ‘SRB’

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ATK making progress on SRB propellant void issue


A year after discovering small voids between the solid propellant and the outer casing of the aft segment of a test motor for the massive 5-segment SRBs for NASA’s upcoming…

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ESA and CNES fire up POD-X to investigate solid motor oscillations


ESA’s Future Launchers Preparatory Program and France’s CNES space agency have test fired the Pressure Oscillation Demonstrator eXperimental (POD-X) motor at the French military procurement agency test site. The test…

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SMAT fires up to open SLS acoustic testing


The Scale Model Acoustic Test (SMAT) – a mini-me version of the SLS – has fired up for the first time at the Marshall Space Flight Center (MSFC)….

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ATK reach another milestone in SLS advanced booster drive


ATK announced they successfully completed the filament winding of a pathfinder Advanced Booster composite case. The milestone is part of their commitment to the NASA Research Announcement (NRA) Advanced Booster…

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ATK/NASA investigating void issue in SLS test motor segment


Experts from ATK and NASA are investigating the cause of voids in the aft segment of the next test motor for the Space Launch System (SLS). Known as…

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NASA looks to Kourou for SLS ground ops streamlining ideas


As development of the Space Launch System (SLS) rocket continues, NASA is looking to its international partners for inspiration and lessons learned. Specifically, the agency sent a team…

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SLS prepares for PDR – Evolution eyes Dual-Use Upper Stage


NASA’s Space Launch System (SLS) is deep into preparations for the key milestone of the Preliminary Design Review (PDR), which “kicks off” in June. Meanwhile, an interesting glimpse…

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Full steam ahead for ATK’s SLS booster drive


ATK are making good progress on both the initial five segment boosters, set to launch with the opening launches of the Space Launch System (SLS), and the Advanced…

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SLS SMAT: The Mini-Me version of the monster rocket


The Marshall Space Flight Center (MSFC) is constructing a scaled version of the Space Launch System (SLS), ahead of test firing it later this year. Known as the…

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Two mid-span supports required to avoid booster sag for QM-1


ATK will use two “mid-span” supports on their upcoming static test of their five segment Solid Rocket Booster (SRB). The large pieces of hardware will help mitigate “sagging”…

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The Dark Knights – ATK’s Advanced Boosters for SLS revealed


A presentation overviewing ATK’s preliminary proposal for the upcoming advanced booster competition for Space Launch System (SLS) claims the new motor will be 40 percent cheaper and 23.5…

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Dynetics and PWR aiming to liquidize SLS booster competition with F-1 power


One of the most famous rocket engines in history – the Apollo/Saturn’s F-1 – could one day fly again, providing Alabama company Dynetics, teamed with Pratt and Whitney…

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SLS Program pressing forward with engine heat shield design change


The Space Launch System (SLS) heat shields around its RS-25 engines will not follow the heritage of the Space Shuttle Program (SSP), following a decision to move away…

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One year on – Review notes superb performance of STS-135’s SRBs


One year to the day since Atlantis launched on her final mission, the exceptional performance by the Solid Rocket Boosters (SRBs) – which aided STS-135’s ride uphill during first…

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ATK announce Liberty KSC test flights, reveal crew spacecraft with MLAS


In a wide-ranging release of information, ATK have announced what is their complete crew transportation system. With the previously announced Liberty launch vehicle as the foundation, the company…

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ATK and NASA ground test their SLS-bound five segment motor


NASA and Alliant Techsystems Inc. (ATK) have conducted a full-scale test of a five-segment solid rocket motor – designated Development Motor-3 (DM-3) – at their test facility in…

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Preliminary NASA plan shows Evolved SLS vehicle is 21 years away


A new schedule, created by NASA, has provided a “preliminary, budget restricted” manifest which places the first flight of the fully evolved Space Launch System (SLS) in the…

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STS-134 IFA Review: SRBs and RSRMs Perform Admirably


A critical step in the process of clearing STS-135/Atlantis and her systems for flight has been completed in the form of the In-Flight Anomaly Review (IFA Review) for…

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Managers preparing for July 8 SLS announcement after SD HLV victory


Following an intense week of executive level reviews, a decision has been made on the configuration for NASA’s new launch vehicle. With NASA administrator Charlie Bolden agreeing to…

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SLS configuration nears decision point – Two-phase approach rejected


A decision on the configuration of the Space Launch System (SLS) Heavy Lift Launch Vehicle (HLV) is just weeks away, as final evaluations take place into a “staged…