Talk:Liberty (rocket)

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Shuttle booster

Someone has edited the infobox and written that the first stage is a Shuttle booster. I think it is not. It is an Ares I first stage which is different. Five segments instead of four for instance. Hektor (talk) 08:49, 10 February 2011 (UTC)[reply]

Adding another segment isn't significantly different though is it? It may be modified, but it is essentially a version of the Shuttle SRB, built with the same manufacturing line. In fact in the publicity that's what ATK crow most about! Denying that fact doesn't exactly help the reader to understand the history of this piece of the rocket. Besides calling it an "Ares 1 first stage" doesn't make much sense since it also would have been the Ares V booster as well. Having said that it is a distinct variant in its own right so I would call it something like "Shuttle-derived five-segment booster" and link to the Five-segment booster section of the SRB page (as demonstrated). ChiZeroOne (talk) 09:59, 10 February 2011 (UTC)[reply]

I think you are both right, it is not merely a Shuttle booster and it is not (exactly) a Ares I = Ares V booster either. So ChiZeroOne's idea to say something like Shuttle-derived five-segment booster seems reasonable, as long as we tie it to a verifiable source. Cheers. N2e (talk) 18:52, 10 February 2011 (UTC)[reply]

ATK promo video

ATK has released a promotional video. I don't know if it is appropriate for the article, but it does provide a big-picture view of what Liberty is conceptually trying to do, albeit with a marketing spin point of view. N2e (talk) 17:51, 11 February 2011 (UTC)[reply]

Am I the only one horrified that they've used Ares I-X footage in this video? Colds7ream (talk) 10:29, 12 February 2011 (UTC)[reply]

No, but then, accepting the faults in the marketing presentation, I was just looking for other's ideas about appropriateness for the article. It is a given to me that a marketing pitch will tell only one side of the story. So it should not be the only story the article tells. BTW, I think I've already read published criticism of the marketing in this video; for example, continuing to refer to the so-called "black zones" in the ULA launch vehicles--I think that's FUD, and so apparently do others. N2e (talk) 14:59, 12 February 2011 (UTC)[reply]

Capsule? Launch Abort System?

Can this really be ready by 2015 with no capsule specified? The images show no Launch Abort Sytem tower. Could an MLAS-style abort system be ready by 2015?Fotoguzzi (talk) 20:53, 12 February 2011 (UTC)[reply]

Liberty IS selected for CCDev round 2!

http://www.nasa.gov/home/hqnews/2011/sep/HQ_M11-189_Commercial_Crew_Agreement.html seem to suggest that Liberty is not completely written off from CCDev, though NASA is dealing with it via SAA (nonreimbursable space act program). 84.0.165.214 (talk) 19:33, 14 September 2011 (UTC)[reply]

Justification?

Political reasons aside, what does this proposal do that the Ariane 5 does not? The Ariane 5 ES can deliver 21,000 kg to LEO; Liberty delivers 22,000 kg to LEO. Surely it is less risky sticking a capsule on top of a proven and (partly?) man-rated rocket design than making a chimera?86.41.46.28 (talk) 23:55, 14 September 2011 (UTC)[reply]