Tag Archives: orion

Delta IV Manrating

Posted on Thu, 2009-08-13 by gravityloss

Skimming the document (thanks NSF, Florida Today). Cute how a launch without an upper stage at all in the heavy configuration works out for ISS (burn SM fuel for orbit):

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Augustine Panel Session 1, comment 3

Posted on Wed, 2009-06-17 by gravityloss

It seems ULA finally got out in the public with their opinion on how long and what it would take to launch manned stuff or Orion with their rockets. It only took four years, laboring under threatening and suppression.  What … Continue reading →

Posted in Architecture, industry, NASA, RLV:s, Spacecraft | Tagged , , , , , , | 3 Comments

Transparency of the Augustine Commission

Posted on Wed, 2009-06-03 by gravityloss

Watching the NSF forum closely, the nicknames Antares: Commission folks reading this thread (on topic, see ) need to request the Bullman study (MSFC) and the response to the Bullman study (not MSFC, ahem). The latter exists only in draft … Continue reading →

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EELV:s again

Posted on Tue, 2009-04-21 by gravityloss

This time the Aerospace Corporation deems them suitable for launching Orion, tells a Nasaspaceflight.com article . Via Clark Lindsey. I’ve gotten bored of all this a few years ago. When Griffin was in power, absolutely no change was considered. From … Continue reading →

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Conceptual Design at NASA

Posted on Mon, 2008-07-14 by gravityloss

The Constellation program has been going on for about 3 years. Kicking off with the ESAS study of a few months, it still hasn’t settled very much about the architecture. Even the number of solid segments and liquid engines on … Continue reading →

Posted in Architecture, Depot, engines, Lunar, Models, NASA, Spacecraft | Tagged , , , , , , , | 3 Comments

Ares I is in a Bit of a Trouble

Posted on Tue, 2008-04-29 by gravityloss

Nasaspaceflight.com’s Chris Bergin finally wrote the article on Ares I’s thrust oscillation mitigation options. There are three main ones: new pulsed brake rockets, a damper between stages and a tuned small mass damper in the SRB. All three could be applied. They also increase mass and thus reduce performance. Ares I’s thrust oscillation coupled with the whole rocket’s already … Continue reading →

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