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Last Modified: 2:01pm 10 Aug 11

Saturn F1 engine: full of fuel Mi = 436,000 kg
empty Mf = 26,600 kg
exhaust speed u = 2,600 m/s
Q: What is the final speed of the F1 engine?
DS1 ion engine: full of fuel Mi = 489.5 kg
empty Mf = 408 kg
exhaust speed u = 43,000 m/s
Q: What is the final speed of the DS1 ion engine?
Last Modified: 2:01pm 10 Aug 11
