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personizzle t1_ix5z31n wrote

"Exceeding expectations" in this case means things like "We expected this part to have maybe 5% variance from nominal, and designed to cover worst-case scenarios within that range, but it was more like 2% from nominal because a bunch of stuff worked extremely well." Not "it went way faster than we expected and we don't know why, might overshoot moon idk."


jadebenn t1_ixaxenm wrote

In this case, (with the recent info from the press conference), SLS performed within 0.3% of projections, and neither it or Orion have had any major issues (fingers crossed!). For the first launch of a fully-integrated launch vehicle and payload, that's super impressive!