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How Rocket Engines Start, Including the RS-25

Everyday Astronaut · Explainer · 1 h 0 min · 2023 · YouTube title: Why Starting A Rocket Engine Is So Hard!
Why it's here

HN recommends it as the best explanation of why engine start is hard and what can go wrong.

What it covers

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.