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YJSP is excited to announce and share its first successful static fire test of the YJ-1S, a 790 lbf LOX/Kerosene Engine. This test represents the culmination of just over 2 years of concentrated effort by the YJSP propulsion team and is the first 100% student designed, built, and tested liquid rocket engine! We are incredibly proud of all the hard work the team has put forward to make this monumental feat happen. We would also like to thank the school of Georgia Tech and our sponsors for helping make this happen. Thank You!