SLS and Orion: July 2015 Archives

NASA RS-25 SLS Engine Revs Up for Another Test [With Video]

"In auto racing parlance, NASA engineers put the "pedal to the metal" during a July 17 test of its Space Launch System (SLS) RS-25 rocket engine at Stennis Space Center."

"During a 535-second test, operators ran the RS-25 through a series of power levels, including a period of firing at 109 percent of the engine's rated power. Data collected on performance of the engine at the various power levels will aid in adapting the former space shuttle engines to the new SLS vehicle mission requirements, including development of an all-new engine controller and software."

Space Launch System: Management Tools Should Better Track to Cost and Schedule Commitments to Adequately Monitor Increasing Risk, GAO

"The cost and schedule estimates for the National Aeronautics and Space Administration's (NASA) Space Launch System (SLS) program substantially complied with five of six relevant best practices, but could not be deemed fully reliable because they only partially met the sixth best practice--credibility. While an independent NASA office reviewed the estimate developed by the program and as a result the program made some adjustments, officials did not commission the development of a separate independent estimate to compare to the program estimate to identify areas of discrepancy or difference. In addition, the program did not cross-check its estimate using an alternative methodology."

Congress Must Fully Fund the Space Launch System, Roll Call

"The SLS vehicle design materialized from an extensive, unbiased set of NASA technical studies that compared all possible scenarios, with a focus on efficiency and budget constraints. Experts inside and outside of NASA were fully integrated into the decision-making process. Among the factors driving the selection of the 130 metric-ton SLS design were human exploration requirements, the state of propulsion technology, the health and capability of the industrial base and the overall budget outlook."

Keith's note: I had to read this several times. "Unbiased"? Hardly. I guess these guys think that if they say something often enough as an op ed it will become the truth. The SLS design was mandated in law by Congress to use Shuttle and Ares V leftovers so as to preserve jobs. NASA adjusted their plans to this mandate. Everything else was window dressing. To state otherwise is to spread false memories about things that never happened.

- More False Memories About the Origin (and Cost) of SLS, Earlier post



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This page is an archive of entries in the SLS and Orion category from July 2015.

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