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by sethrin 1044 days ago
The phrase associated with Apollo was, "waste anything but time." Achieving arbitrarily high levels of quality takes time, for pretty much any process. Those F1 engines were mostly handmade, which you can see among other places in the imperfect machining of this F1 injector plate[0]. The attitude at NASA towards risk was not "avoid it at all costs": what they were doing was inherently risky. NASA's goal is to manage risk.

[0] https://web.archive.org/web/20230522164734im_/https://cdn.ge...