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>> No.15124574 [View]
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15124574

RS-25 gets a pass because holy fuck 453 s ISP, your engine is a fairly small portion of your total mass anyway. BE-4 does not.
>A-actually BE-4 is 250t while Raptor is only 220t so-
>The current peak thrust R2 operated at is 247 tons, so SpaceX is confident 250t will be achieved, which is “obviously essential to making SS work.”
This was a year ago as well.

>>15124561
It's not that easy in transportery

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