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NASA Shuttle-derived Sidemount Heavy Launch Vehicle Concept

This video depicting NASA's Shuttle-derived Sidemount Heavy Launch Vehicle concept was shown at the 17 June 2009 meeting of the Review of U.S. Human Space Flight Plans Committee in Washington DC by...  
 
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jxvwp (3 weeks ago) Show Hide
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You forget about the cost per launch and cost per kilograms og cargo. Both areas where Ares-1 runs supreme and will earn it's own development cost in tenfold in about 10 lauches
jxvwp (3 weeks ago) Show Hide
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The thing is that it's more expensive to convert a EELV like the ATLAS V or DELTA IV to a CLV (Crew Lift Vehicle) than it is to start from scratch with the Ares I.
EndeavourLaunch (3 weeks ago) Show Hide
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All you have to do to an EELV is man-rate it to put Orion on it. But imo from my uneducated mind I don't think an EELV could really do the job to put an EDS/LM into orbit. Thats why DIRECT or SDLV-HLV is a viable and feasible option. Ares I has a problem with TO, could kill the crew. Wondering if I-X got any data off it, although I doubt it.
thirdclass2006 (3 weeks ago) Show Hide
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I believe one mystery is how the second stage tumbled after seperation.

I thought that was just because it was a dummy stage, but I'm not so sure.
jxvwp (3 weeks ago) Show Hide
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It was as you said because it was a dummy stage. Normally a second or third stage would have some small rockets arranged in a ring around the interstage that would keep the speed up and clear the next stage of the previous.
thirdclass2006 (3 weeks ago) Show Hide
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So it would cost more than the $14 billion it will take to develope Ares 1 to man rate Delta IV or Atlas V?

I don't get it. How does that work?
With Ares 1, you have to make an engine and liquid stage from scratch, as well as remake the existing booster.

With an EELV, you use what's already made.
jxvwp (3 weeks ago) Show Hide
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It's the conversion and man-rating of the EELV's that will take a lot of the cost. Then there is the cost per launch where as I said before the Ares-I will beat the converted EELV's.
And also I'd say it would be safer to purely develop a manned rocket than man-rate an EELV.
rendycs1995 (1 month ago) Show Hide
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Nice Structure!!! ^^
TremorHellborn (2 months ago) Show Hide
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WOW! COOL!
sixpackgenius (2 months ago) Show Hide
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I checked the serial numbers and checked a book by Jenkins' "Space shuttle". There were around 51 engines built all together, Block I, II and IIA (I stand corrected).
We lost six with the losses of Challenger and Columbia. The shuttles use 10 Block IIA SSMEs that were originally built. 5 more IIA's were built after Columbia. Some parts from the block I and II engines were used for the block IIA engines.

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