1.2 pre release... https://docs.google.com/spreadsheets/d/19_dhwSioZODCCtMFD0kZOtbmbg--ryoE0nzoWJL2cRc/edit#gid=0 Alright since I don't want to double post, here is my old lunar lander. So first of all, I dismissed the TWR since I thought it wouldn't matter when the Mun's surface gravity is 1.62 m/s. Wrong. The Apollo descent engine is weak as heck. Glad I never flew the mission. Second, I found out when I was trying to correct the Launch vehicle's second stage to be able to
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