Scratch built 5klbf mobile rocket engine test stand. Huge milestone, 10x as complex as the engine, one of <20 in the world like it and likely the cheapest of the bunch. Built in a storage unit by 6 students, whom I led. Status: COMPLETE!
Scratch built 1.5klbf liquid fueled rocket engine running on kerosene/LOx, weighing about 60lbs. Status: Complete, but unfired.
Scratch built 1.5klbf liquid fueled rocket DESTINED to reach 50,000 feet (~9.5 miles in the air). Status: On hold.