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• 20:08, 11 December 2012 Vincent Sọ̀rọ̀ contribs uploaded a new version of File:Engine thrust to weight.png (Updated with version 3 of File:Rocket_mass.c. Delta V is 8300 instead of 9000 m/s too, and overall thrust-to-weight ratio is 2.5 instead of 1.25.)
• 04:45, 1 November 2012 Vincent Sọ̀rọ̀ contribs uploaded File:Engine thrust to weight.png (Graph representing rocket dry and wet mass as function of the engine's thrust-to-weight ratio.)