How to Pick the Optimal Rocket Engine

From ion thrusters to staged combustion engines

Erik Engheim
11 min readFeb 1

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Soyuz rocket engines up close.
Soyuz rocket engines up close.

Rocket engines come in much larger variations than car or airplane engines. But why is there so much variation and not more standardization? Why not use the same type of engine in different sizes depending on how big the rocket is?

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Erik Engheim

Geek dad, living in Oslo, Norway with passion for UX, Julia programming, science, teaching, reading and writing.