Delta IV Heavy inaugural launch
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Uploaded by ugowar on Oct 24, 2007
The first flight of a Delta IV Heavy launch vehicle featuring 3 CBCs or Common Booster Cores, each powered with a single, cryogenic RS-68 engine.
The launch, which occured in December 2004 was a partial failure when (due to cavitation in CBC propellant lines) sensors incorrectly detected propellant depletion and shut down the engines several seconds prematurely. The upper stage wasn't able to compensate completely and the demo payload was left in a lower than planned orbit.
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All Comments (196)
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And not a drop of 'pollution'. Hydrogen mixed with oxygen. H2O. Just some water vapour. An eco-friendly 900 ton-thrust booster. Brilliant.
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how this rocket is kept straight during launch?
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Liquid fueled rockets are soooo much better than crappy solid rocket fueled dumbed down rockets.
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Damn!! The flames shooting out the end of the rocket at launch are massive!!!
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@bweazel We care how anything else looks
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@TooMuchGass Who gives a damn what it looks like, it's functional.
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This rocket is ugly
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At 1:26 it looks like a paintbrush!
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Huge "Finger" gesture in the sky... It's beautiful
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does hd cam's cost to much are what ? ?
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Can anyone get a higher quality of this video? Delta IV-H sure is a Badass booster!!
MattBlak1 1 year ago 12
@MattBlak1 That's what I'd like to know as well.
ugowar 1 year ago 4
@ugowar Yes! Good, Hi-Def footage of Delta IV-H seems to be rare, even non-existent. Its the booster that should always have been the one to launch the Orion spacecraft. In fact, Boeing says that if 5x corestages were strapped together with upgraded RS-68-B engines, Aluminium/Lithium tankage and an on-the-drawing-board 3x RL-10B2 powered upper stage: you'd get a booster that could put more than 60 tons into Earth orbit or throw 25+plus tons at the Moon or Mars. A cheap-ish Heavy Lifter, eh? :)
MattBlak1 1 year ago 4
@MattBlak1 Even more annoying than the lack of any good quality footage is the fact that out of the 4 launches that happened so far, 3 have been night launches. Of those 3, two were in cloudy/foggy weather. Visually, a bust. We shall see when the next Delta IV Heavy flies in January 2011 from Vandenberg, although they don't have as good trackers as the Cape does.
ugowar 1 year ago
Look at the puffs and plumes in the exhaust. If that happened to a SSME during a shuttle flight they would rebuild it and file a 3000 page report. I think that what has a lot to do with being man rated is being complete predictability, triple redundancy, and utter reliability. The Delta IV series isn't designed with that in mind.
lrodcantu 1 year ago
@lrodcantu It's designed to loft multibillion dollar national security spacecraft. Do you really think the shuttle SRBs for example are inherently safer than a liquid booster? When was the last time a liquid engine blew?
The puffs and sparks come from the RS-68 ablative nozzle and they're normal and *expected*. Since SSME is a regeneratively cooled engine, no debris should theoretically be released and that's why any observed flaring/sparking immediately raises question marks.
ugowar 1 year ago 4