NASA Space Launch System Rocket Core Stage - Underneath the Hood

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Credit: NASA Marshall Space Flight Center
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This sounds like it was written as an advertisement for pork barreling.
They're practically beaming with pride over how many unnecessarily expensive bespoke parts this thing has.
"14, 500 custom bolts, fasteners and fittings." Yeah good work guys, that's some really brilliant budget decisions you're making here.

roidroid
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I don't get why people don't like NASA. They are amazing.

aquaticllamas
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I wish we could mount legs on it and teach it to land. If only...

I really wonder what goes through the minds of those engineers to see all their phenomenal hard work burn up after 10 mins while SpaceX engineers are seeing their own phenomenal hard work come home to fly again.

ShopTalks
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I just don't understand how this can be taking so long. It's a Space Shuttle drop tank. Yes, the oxygen tank has to be made cylindrical with a dome instead of pointy, but it's the same ribs, stringers, skin, and domes. Change the drawings a little and that's that.

Then you have four SSMEs--literally used engines the first few flights! Two of the Shuttle's solid-fuel strapons with an extra section--again, change the drawings a little bit.

Finally, an S IV-B stage from 50 years ago, except with more of the same tankage from below. Seriously, this should take a couple of years to cobble together--tops!

karlstorie
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By the time NASA gets done building, inspecting, testing, inspecting, retesting, and certifying the SLS, Musk will be on Mars.

VfletchS
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750 sensors

7 hundred and fkin 50 sensors

yet it can't detect a barge on the middle of the ocean waiting for it to land

DangItshere
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I feel like a lot of this is unnecessary. Why spend so much money and use so many redundant parts?

Voyager_AU