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Oct 12, 2023 at 15:55 comment added Codes with Hammer I'm guessing the OP made a unit conversion error. Apollo By the Numbers lists propellant in pounds mass (lbm), but the OP posted the same numbers with the incorrect unit of kilograms. 18,218 kg = 40,164 lbf... now we just need to find the other 13,000 lb.
Jul 12, 2023 at 15:53 history edited Russell Borogove CC BY-SA 4.0
added 34 characters in body
Jul 12, 2023 at 15:46 history answered Russell Borogove CC BY-SA 4.0