Quote from: edkyle99 on 09/05/2017 08:55 pmQuote from: Welsh Dragon on 09/05/2017 04:33 pmGreat article, but lacking proper metric units. Don't want to alienate the rest of the world!Isn't SLS being built using Imperial units? If so, the most precise numbers will be in those units. - Ed KyleUS Imperial Units is primary measurement and Metric is listed as secondary per Space Launch System (SLS) Mission Planner's Guide - ESD 30000 Baseline. PSM most charts are hybrid.
Quote from: Welsh Dragon on 09/05/2017 04:33 pmGreat article, but lacking proper metric units. Don't want to alienate the rest of the world!Isn't SLS being built using Imperial units? If so, the most precise numbers will be in those units. - Ed Kyle
Great article, but lacking proper metric units. Don't want to alienate the rest of the world!
Quote from: russianhalo117 on 09/05/2017 09:17 pmQuote from: edkyle99 on 09/05/2017 08:55 pmQuote from: Welsh Dragon on 09/05/2017 04:33 pmGreat article, but lacking proper metric units. Don't want to alienate the rest of the world!Isn't SLS being built using Imperial units? If so, the most precise numbers will be in those units. - Ed KyleUS Imperial Units is primary measurement and Metric is listed as secondary per Space Launch System (SLS) Mission Planner's Guide - ESD 30000 Baseline. PSM most charts are hybrid.Sorry about being pedantic, but the US doesn't used Imperial units. We use US Customary units. They are mostly the same, but with some important differences.https://en.wikipedia.org/wiki/Comparison_of_the_imperial_and_US_customary_measurement_systemsI wished we used the metric system, it's a lot simpler when you get used to it.
Orbital ATK Completes Qualification of Solid Rocket Booster Avionics for NASA's Space Launch SystemCompany’s Five-Segment Boosters will Help Provide Initial Thrust for First Two Minutes of Flight for SLSFull Booster Certification Set to Complete Later this YearDulles, Virginia 6 September 2017 – Orbital ATK (NYSE: OA), a global leader in aerospace and defense technologies, recently completed an important qualification test of the avionics system for the solid rocket boosters the company has developed and is now manufacturing for NASA’s Space Launch System (SLS). Completion of this milestone is an important step toward preparing the SLS and Orion spacecraft for their first flight in 2019. Two Orbital ATK-developed five-segment rocket boosters will be used on each SLS launch to help provide initial thrust for the first two minutes of flight.The avionics system is considered the “brains of the booster” as it starts booster ignition, communicates with the SLS launch vehicle computers during flight, and initiates booster separation upon completion of the first stage burn. The system is now qualified as meeting NASA’s demanding human-rating requirements, which provide a level of redundancy to ensure a safe flight environment through various phases of lift-off, ascent and staging.“Completion of booster avionics system qualification is a significant step forward in supporting overall vehicle qualification and launch of the first flight of SLS – Exploration Mission-1,” said Jeff Foote, Vice President of NASA Programs for Orbital ATK’s Propulsion Systems Division. “We are proud of this accomplishment and look forward to completing full certification of the booster later this year.”Qualification of the booster avionics system included a rigorous and comprehensive test series that thoroughly verified the fidelity of the system in a variety of expected and abnormal conditions. Key interactions confirmed during qualification testing included the ability to initiate booster ignition, control the booster during flight, and terminate flight.The Space Launch System is NASA’s new heavy-lift launch vehicle that is being built to take crew and cargo to destinations beyond earth orbit, including to cislunar space and eventually Mars. SLS, along with the Orion spacecraft, will enable human exploration on a variety of missions to deep space. It has the greatest capacity of any launch system ever built, ensuring continued American leadership in space exploration.Orbital ATK manufactures the twin, five-segment solid rocket boosters in Promontory, Utah, about an hour and a half north of Salt Lake City. Contributing to SLS booster production are 29 key suppliers across 17 states including Alabama, Arizona, California, Connecticut, Florida, Indiana, Kentucky, Massachusetts, Minnesota, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Texas, Utah and Wisconsin.
NASA Completes Welding of Liquid Oxygen Tank for First SLS FlightNASA is another step closer to completing all main structures for the agency’s first launch of the Space Launch System deep space rocket. The liquid oxygen flight tank was recently built in the Vertical Assembly Center robotic welder at NASA's Michoud Assembly Facility in New Orleans. After the liquid oxygen tank was inspected, it was moved to another area for plug welding to fill the holes left by the friction stir welding process. Five major parts -- the engine section, liquid hydrogen tank, intertank, liquid oxygen tank and forward skirt –will be connected together to form the 212-foot-tall core stage, the backbone of the SLS rocket. Boeing, the prime contractor for the core stage, is welding the liquid hydrogen tank structure--the final major core stage structure to be built for the first integrated flight of SLS and Orion. The liquid hydrogen and liquid oxygen tanks will hold 733,000 gallons of propellant to power the stage's four RS-25 engines that together produce more than 2 million pounds of thrust.Image credit: NASA/MSFC/Michoud/Jude GuidryLast Updated: Sept. 1, 2017
Booster update: Both aft segments for @NASA_SLS boosters are now in final assembly at our facility in Utah. #OrbitalATKDelivers
NASA_SLSVerified account @NASA_SLS 14m14 minutes agoWorkers at @NASA_Marshall are cleaning the #NASASLS LVSA by hand so thermal protection can be applied! >> https://go.nasa.gov/2xO46Aw
Final Assembly techs transferred @NASA_SLS #EM1 Ctr/Ctr booster segment for processing today in Promontory. EM-1 aft segment in background
You have to translate it, but it's rare for Roscosmos to mention SLS by name and the DSG plans. https://www.roscosmos.ru/24136/
NEWSROSKOSMOS - NASA. JOINT RESEARCH OF FAR COSMOS9/27/2017 12:40 PMState corporation "ROSKOSMOS" and NASA (National Aeronautics and Space Administration of the USA) during the 68th International Astronautical Congress in Adelaide (Australia) signed a joint statement on cooperation in the field of exploration and development of outer space. ROSKOSMOS and NASA confirmed the intention to use the International Space Station (ISS) as a basis for further space exploration, as well as cooperation within the international lunar program: the creation of the near-Earth visited platform Deep Space Gateway, standardization of standards, scientific missions on the moon orbit and on the lunar surface. In particular, the partners intend to develop international technical standards, which will be used in the future, including for the establishment of the station in the near-moon orbit. ROSKOSMOS and NASA have already reached an understanding on the standards of the docking station of the future station. Taking into account the serious domestic experience in the development of docking stations, the future elements of the station will be created on the basis of Russian developments, as well as the standards of life support systems. The developed standards will be used by all countries in the development and creation of their space technology. Currently, other space powers are also considering the issue of joining the project of the international lunar research program and the creation of the Deep Space Gateway - they are studying their scientific and technical potential for participation in Earth satellite research. The parties also discussed the possibility of using Russian carrier rockets (RNs) to create the infrastructure of the lunar station. So, at the first stage it is supposed to use the American super-heavy SL SLS in parallel with the domestic heavy rockets Proton-M and Angara A5M. After the creation of the Russian superheavy rocket, it will also be used to provide the lunar orbital station. The main work on the creation of the lunar station will begin in the mid-2020s. Igor KOMAROV, General Director of Roskosmos State Corporation: "At least five countries are working on the creation of their own manned spacecraft and systems. In order to avoid problems in the future in technical cooperation, part of the standards should be unified - for the ability of different countries to work on their products and to join the international near-moon station. Part of the key standards will be formed on the basis of Russian developments. The agreements reached open new prospects for international cooperation and expand the opportunities for using the capabilities of the Russian space industry. "
Mark Kirasich: EM-1 crew module powered-on testing going so well, made up for time lost during hurricane shutdown at KSC. #VonBraun
Kirasich: EM-1 Orion crew module should be done in February or March next year, await arrival of service module. #vonbraun
Kirasich: Expect EM-1 service module to be completed and delivered to KSC in the summer of 2018. #VonBraun
Two @NASA_SLS booster segments were transferred to storageyesterday, making 7 of the 10 #EM1 segments ready for shipment when requested.
Techs paint photogrammetric markings on #EM1 booster aft exit cone prior to its shipment to @NASAKennedy for first flight of @NASA_SLS
These checker-board markings are on all booster segments & will provide visual reference points for tracking during launch & separation