HackerTube / Video
Why Starting A Rocket Engine Is So Hard!
Everyday Astronaut
Tim Dodd's hour-long deep dive on how rocket engines start, from solid motors to liquid engines. It covers thermal conditioning, spin-up, ignition methods, starting in space, and a step-by-step RS-25 startup.
HN recommends it as the best explanation of why engine start is hard and what can go wrong.
3 Hacker News mentions · 2023–2026