Comment by hvb2
1 day ago
Do you want to put a dollar amount per kg to orbit on that? Because if you're spending orders of magnitude more, the expectations also go up, no?
And mind you, SLS isn't a new system. It's old space shuttle engines. It's old solid rocket boosters that were extended by a segment. So, it should be cheap and fast?
I think the point here is really that SLS should be a walk in the park. Mostly old tech, reused with not a lot of innovation.
Starship might not have put a real payload into orbit yet but it has already delivered vastly superior engine technology (full flow staged combustion), a new way to land rocket boosters to allow for reuse and many more smaller things.
If you're going to innovate, things will not be smooth because you're learning things. You should be celebrating those achievements, especially as it didn't cost you a dime
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