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Building a rocket engine from scratch
How I learned to stop worrying and love the burn.
In 2015 SpaceX’s repeated attempts to land boosters finally did catch my attention, and I joined the Falcon 9 stage systems team alongside ABL founder Harry O’Hanley. They often have a starting point, whether it be a previous generation of engine within the same company, a legacy technology demonstrator that was crated up after completion awaiting a new owner, or key components or IP purchased from another entity. From Left to Right: Turbopump, Chamber + Injector, Gas GeneratorBefore getting into any fine details, I gathered equations from textbooks and monographs into an excel spreadsheet that worked sequentially through sizing the requirements for each component.
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